0.020501 0.000000 0.000000 0.000000 0.020501 0.000000 0.000000 0.000000 0.007048 0.00000 0.00000 0.00000 3.54356 2.42580 25.62398 1.50364 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 9.50761 7.44341 1.04373 23.83732 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 4.01032 2.96436 19.97189 1.75589 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 4.49882 3.47563 15.80542 1.70748 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 9.51135 5.44231 1.42069 35.72801 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 9.55732 6.39887 1.23737 29.19336 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 26.02326 7.89457 1.54240 29.12501 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 0000-0001-6774-8812 Antelo, G.T. 0000-0002-1044-943X Gonzalez-Gutierrez, G. 0000-0002-2342-1620 Giedroc, D.P. 0000-0002-0500-1016 Capdevila, D.A. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.000 90.000 90.000 48.778 48.778 141.881 337576.510 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking Cl -1 35.453 CHLORIDE ION non-polymer C3 H7 N O4 S 153.157 n 3-SULFINOALANINE S-CYSTEINESULFINIC ACID; S-SULFINOCYSTEINE L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C10 H14 N5 O6 P 331.222 y 2'-DEOXYADENOSINE-5'-MONOPHOSPHATE DNA linking C9 H14 N3 O7 P 307.197 y 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE DNA linking C10 H14 N5 O7 P 347.221 y 2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE DNA linking C10 H15 N2 O8 P 322.208 y THYMIDINE-5'-MONOPHOSPHATE DNA linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 Se 196.106 n SELENOMETHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking N 1 N N N 2 S C N 3 N C N 4 N O N 5 N C N 6 N O N 7 N H N 8 N H N 9 N H N 10 N H N 11 N H N 12 N H N 13 N H N 14 N N N 15 S C N 16 N C N 17 N O N 18 N C N 19 N C N 20 N C N 21 N N N 22 N C N 23 N N N 24 N N N 25 N O N 26 N H N 27 N H N 28 N H N 29 N H N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N H N 39 N H N 40 N H N 41 N N N 42 S C N 43 N C N 44 N O N 45 N C N 46 N C N 47 N O N 48 N N N 49 N O N 50 N H N 51 N H N 52 N H N 53 N H N 54 N H N 55 N H N 56 N H N 57 N H N 58 N N N 59 S C N 60 N C N 61 N O N 62 N C N 63 N C N 64 N O N 65 N O N 66 N O N 67 N H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N H N 74 N CL N 75 N N N 76 R C N 77 N C N 78 N S N 79 N C N 80 N O N 81 N O N 82 N O N 83 N O N 84 N H N 85 N H N 86 N H N 87 N H N 88 N H N 89 N H N 90 N H N 91 N N N 92 R C N 93 N C N 94 N O N 95 N C N 96 N S N 97 N O N 98 N H N 99 N H N 100 N H N 101 N H N 102 N H N 103 N H N 104 N H N 105 N O N 106 N P N 107 N O N 108 N O N 109 N O N 110 N C N 111 R C N 112 N O N 113 S C N 114 N O N 115 N C N 116 R C Y 117 N N Y 118 N C Y 119 N N Y 120 N C Y 121 N C N 122 N N Y 123 N N Y 124 N C Y 125 N N Y 126 N C N 127 N H N 128 N H N 129 N H N 130 N H N 131 N H N 132 N H N 133 N H N 134 N H N 135 N H N 136 N H N 137 N H N 138 N H N 139 N H N 140 N H N 141 N O N 142 N P N 143 N O N 144 N O N 145 N O N 146 N C N 147 R C N 148 N O N 149 S C N 150 N O N 151 N C N 152 R C N 153 N N N 154 N C N 155 N O N 156 N N N 157 N C N 158 N N N 159 N C N 160 N C N 161 N H N 162 N H N 163 N H N 164 N H N 165 N H N 166 N H N 167 N H N 168 N H N 169 N H N 170 N H N 171 N H N 172 N H N 173 N H N 174 N H N 175 N O N 176 N P N 177 N O N 178 N O N 179 N O N 180 N C N 181 R C N 182 N O N 183 S C N 184 N O N 185 N C N 186 R C Y 187 N N Y 188 N C Y 189 N N Y 190 N C N 191 N C N 192 N O N 193 N N N 194 N C N 195 N N N 196 N N Y 197 N C N 198 N H N 199 N H N 200 N H N 201 N H N 202 N H N 203 N H N 204 N H N 205 N H N 206 N H N 207 N H N 208 N H N 209 N H N 210 N H N 211 N H N 212 N O N 213 N P N 214 N O N 215 N O N 216 N O N 217 N C N 218 R C N 219 N O N 220 S C N 221 N O N 222 N C N 223 R C N 224 N N N 225 N C N 226 N O N 227 N N N 228 N C N 229 N O N 230 N C N 231 N C N 232 N C N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N H N 239 N H N 240 N H N 241 N H N 242 N H N 243 N H N 244 N H N 245 N H N 246 N H N 247 N H N 248 N N N 249 S C N 250 N C N 251 N O N 252 N C N 253 N C N 254 N C N 255 N O N 256 N N N 257 N O N 258 N H N 259 N H N 260 N H N 261 N H N 262 N H N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N N N 269 S C N 270 N C N 271 N O N 272 N C N 273 N C N 274 N C N 275 N O N 276 N O N 277 N O N 278 N H N 279 N H N 280 N H N 281 N H N 282 N H N 283 N H N 284 N H N 285 N H N 286 N H N 287 N N N 288 N C N 289 N C N 290 N O N 291 N O N 292 N H N 293 N H N 294 N H N 295 N H N 296 N H N 297 N N N 298 S C N 299 N C N 300 N O N 301 N C Y 302 N C Y 303 N N Y 304 N C Y 305 N C Y 306 N N N 307 N O N 308 N H N 309 N H N 310 N H N 311 N H N 312 N H N 313 N H N 314 N H N 315 N H N 316 N H N 317 N H N 318 N O N 319 N H N 320 N H N 321 N N N 322 S C N 323 N C N 324 N O N 325 S C N 326 N C N 327 N C N 328 N C N 329 N O N 330 N H N 331 N H N 332 N H N 333 N H N 334 N H N 335 N H N 336 N H N 337 N H N 338 N H N 339 N H N 340 N H N 341 N H N 342 N H N 343 N N N 344 S C N 345 N C N 346 N O N 347 N C N 348 N C N 349 N C N 350 N C N 351 N O N 352 N H N 353 N H N 354 N H N 355 N H N 356 N H N 357 N H N 358 N H N 359 N H N 360 N H N 361 N H N 362 N H N 363 N H N 364 N H N 365 N N N 366 S C N 367 N C N 368 N O N 369 N C N 370 N C N 371 N C N 372 N C N 373 N N N 374 N O N 375 N H N 376 N H N 377 N H N 378 N H N 379 N H N 380 N H N 381 N H N 382 N H N 383 N H N 384 N H N 385 N H N 386 N H N 387 N H N 388 N H N 389 N H N 390 N N N 391 S C N 392 N C N 393 N O N 394 N O N 395 N C N 396 N C N 397 N SE N 398 N C N 399 N H N 400 N H N 401 N H N 402 N H N 403 N H N 404 N H N 405 N H N 406 N H N 407 N H N 408 N H N 409 N H N 410 N N N 411 S C N 412 N C N 413 N O N 414 N C Y 415 N C Y 416 N C Y 417 N C Y 418 N C Y 419 N C Y 420 N C N 421 N O N 422 N H N 423 N H N 424 N H N 425 N H N 426 N H N 427 N H N 428 N H N 429 N H N 430 N H N 431 N H N 432 N H N 433 N N N 434 S C N 435 N C N 436 N O N 437 N C N 438 N C N 439 N C N 440 N O N 441 N H N 442 N H N 443 N H N 444 N H N 445 N H N 446 N H N 447 N H N 448 N H N 449 N H N 450 N N N 451 S C N 452 N C N 453 N O N 454 N C N 455 N O N 456 N O N 457 N H N 458 N H N 459 N H N 460 N H N 461 N H N 462 N H N 463 N H N 464 N N N 465 S C N 466 N C N 467 N O N 468 R C N 469 N O N 470 N C N 471 N O N 472 N H N 473 N H N 474 N H N 475 N H N 476 N H N 477 N H N 478 N H N 479 N H N 480 N H N 481 N N N 482 S C N 483 N C N 484 N O N 485 N C Y 486 N C Y 487 N C Y 488 N C Y 489 N C Y 490 N C Y 491 N C N 492 N O N 493 N O N 494 N H N 495 N H N 496 N H N 497 N H N 498 N H N 499 N H N 500 N H N 501 N H N 502 N H N 503 N H N 504 N H N 505 N N N 506 S C N 507 N C N 508 N O N 509 N C N 510 N C N 511 N C N 512 N O N 513 N H N 514 N H N 515 N H N 516 N H N 517 N H N 518 N H N 519 N H N 520 N H N 521 N H N 522 N H N 523 N H N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N doub N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N doub N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N doub N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N doub N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N doub N 51 N sing N 52 N sing N 53 N sing N 54 N sing N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N doub N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N doub N 67 N sing N 68 N sing N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N sing N 77 N sing N 78 N sing N 79 N doub N 80 N sing N 81 N doub N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N doub N 92 N sing N 93 N sing N 94 N sing N 95 N sing N 96 N sing N 97 N sing N 98 N sing N 99 N sing N 100 N doub N 101 N sing N 102 N sing N 103 N sing N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N sing N 117 N sing N 118 N sing N 119 N sing N 120 N sing Y 121 N sing Y 122 N sing Y 123 N doub N 124 N sing Y 125 N sing Y 126 N sing Y 127 N doub N 128 N sing Y 129 N doub N 130 N sing N 131 N sing Y 132 N sing Y 133 N doub N 134 N sing Y 135 N sing N 136 N sing N 137 N sing N 138 N doub N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N sing N 145 N sing N 146 N sing N 147 N sing N 148 N sing N 149 N sing N 150 N sing N 151 N sing N 152 N sing N 153 N sing N 154 N sing N 155 N sing N 156 N sing N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N doub N 162 N sing N 163 N doub N 164 N sing N 165 N sing N 166 N sing N 167 N sing N 168 N doub N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N doub N 174 N sing N 175 N sing N 176 N sing N 177 N sing N 178 N sing N 179 N sing N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing Y 194 N sing Y 195 N sing Y 196 N doub N 197 N sing Y 198 N sing N 199 N sing Y 200 N doub N 201 N doub N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N doub N 207 N sing N 208 N sing N 209 N sing N 210 N sing N 211 N sing N 212 N doub N 213 N sing N 214 N sing N 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N sing N 221 N sing N 222 N sing N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N sing N 233 N sing N 234 N sing N 235 N doub N 236 N sing N 237 N sing N 238 N sing N 239 N doub N 240 N sing N 241 N sing N 242 N doub N 243 N sing N 244 N sing N 245 N sing N 246 N sing N 247 N sing N 248 N sing N 249 N sing N 250 N sing N 251 N sing N 252 N sing N 253 N doub N 254 N sing N 255 N sing N 256 N sing N 257 N sing N 258 N sing N 259 N sing N 260 N sing N 261 N doub N 262 N sing N 263 N sing N 264 N sing N 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N doub N 273 N sing N 274 N sing N 275 N sing N 276 N sing N 277 N sing N 278 N sing N 279 N sing N 280 N doub N 281 N sing N 282 N sing N 283 N sing N 284 N sing N 285 N sing N 286 N sing N 287 N sing N 288 N sing N 289 N sing N 290 N doub N 291 N sing N 292 N sing N 293 N sing N 294 N sing N 295 N sing N 296 N sing N 297 N sing N 298 N sing N 299 N doub N 300 N sing N 301 N sing N 302 N sing N 303 N sing Y 304 N sing Y 305 N doub Y 306 N doub N 307 N sing Y 308 N sing N 309 N sing Y 310 N sing N 311 N sing N 312 N sing N 313 N sing N 314 N sing N 315 N sing N 316 N sing N 317 N sing N 318 N sing N 319 N sing N 320 N sing N 321 N sing N 322 N doub N 323 N sing N 324 N sing N 325 N sing N 326 N sing N 327 N sing N 328 N sing N 329 N sing N 330 N sing N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N sing N 339 N sing N 340 N sing N 341 N sing N 342 N sing N 343 N doub N 344 N sing N 345 N sing N 346 N sing N 347 N sing N 348 N sing N 349 N sing N 350 N sing N 351 N sing N 352 N sing N 353 N sing N 354 N sing N 355 N sing N 356 N sing N 357 N sing N 358 N sing N 359 N sing N 360 N sing N 361 N sing N 362 N sing N 363 N sing N 364 N doub N 365 N sing N 366 N sing N 367 N sing N 368 N sing N 369 N sing N 370 N sing N 371 N sing N 372 N sing N 373 N sing N 374 N sing N 375 N sing N 376 N sing N 377 N sing N 378 N sing N 379 N sing N 380 N sing N 381 N sing N 382 N sing N 383 N sing N 384 N sing N 385 N sing N 386 N sing N 387 N sing N 388 N doub N 389 N sing N 390 N sing N 391 N sing N 392 N sing N 393 N sing N 394 N sing N 395 N sing N 396 N sing N 397 N sing N 398 N sing N 399 N sing N 400 N sing N 401 N sing N 402 N sing N 403 N sing N 404 N sing N 405 N sing N 406 N sing N 407 N doub N 408 N sing N 409 N sing N 410 N sing N 411 N sing Y 412 N doub Y 413 N sing Y 414 N sing N 415 N sing Y 416 N doub N 417 N sing Y 418 N doub N 419 N sing Y 420 N sing N 421 N sing N 422 N sing N 423 N sing N 424 N sing N 425 N sing N 426 N sing N 427 N sing N 428 N sing N 429 N sing N 430 N doub N 431 N sing N 432 N sing N 433 N sing N 434 N sing N 435 N sing N 436 N sing N 437 N sing N 438 N sing N 439 N sing N 440 N sing N 441 N sing N 442 N sing N 443 N sing N 444 N sing N 445 N sing N 446 N sing N 447 N doub N 448 N sing N 449 N sing N 450 N sing N 451 N sing N 452 N sing N 453 N sing N 454 N sing N 455 N sing N 456 N sing N 457 N sing N 458 N sing N 459 N sing N 460 N doub N 461 N sing N 462 N sing N 463 N sing N 464 N sing N 465 N sing N 466 N sing N 467 N sing N 468 N sing N 469 N sing N 470 N sing N 471 N sing N 472 N sing N 473 N sing N 474 N sing N 475 N sing N 476 N doub N 477 N sing N 478 N sing N 479 N sing N 480 N sing Y 481 N doub Y 482 N sing Y 483 N sing N 484 N sing Y 485 N doub N 486 N sing Y 487 N doub N 488 N sing Y 489 N sing N 490 N sing N 491 N sing N 492 N sing N 493 N sing N 494 N sing N 495 N sing N 496 N sing N 497 N sing N 498 N sing N 499 N sing N 500 N doub N 501 N sing N 502 N sing N 503 N sing N 504 N sing N 505 N sing N 506 N sing N 507 N sing N 508 N sing N 509 N sing N 510 N sing N 511 N sing US Biorxiv 2692-8205 10.64898/2026.05.15.721447 42182359 Evolution of allostery without shape shifting: Internal dynamics drives functional diversification of a transcriptional repressor superfamily. 2026 0000-0001-6774-8812 0000-0003-3762-5349 0000-0002-1433-0831 0000-0002-6309-0934 0009-0001-8356-6987 0000-0001-8801-3946 0000-0003-0938-287X 0000-0002-1114-1875 0000-0002-1044-943X 0000-0002-2342-1620 0000-0002-0500-1016 10.2210/pdb13ct/pdb pdb_000013ct 100 1 N CMOS 2023-10-12 RDI CMOS_8M SINGLE WAVELENGTH M x-ray 1 0.97624 1.0 4.2.2 ALS 0.97624 SYNCHROTRON ALS BEAMLINE 4.2.2 12531.468 Transcriptional regulator, ArsR family 1 man polymer 6749.403 rcc1451NMR 1 syn polymer 35.453 CHLORIDE ION 1 syn non-polymer 18.015 water 101 nat water no yes H(MSE)GSDTDERSAALDAEE(MSE)ATRARAASNLLKALAHEGRL(MSE)I(MSE)(CSD)YLASGEKSVTELETRLST RQAAVSQQLARLRLEGLVQSRREGKTIYYSLSDPRAARVVQTVYEQFCSGD HMGSDTDERSAALDAEEMATRARAASNLLKALAHEGRLMIMCYLASGEKSVTELETRLSTRQAAVSQQLARLRLEGLVQS RREGKTIYYSLSDPRAARVVQTVYEQFCSGD A polypeptide(L) no no (DC)(DA)(DT)(DA)(DT)(DT)(DC)(DA)(DC)(DA)(DA)(DT)(DT)(DG)(DT)(DG)(DA)(DA)(DT)(DA) (DT)(DG) CATATTCACAATTGTGAATATG B polydeoxyribonucleotide n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n sample 1 111 RCAP_rcc01453 1061 Rhodobacter capsulatus 469008 Escherichia coli BL21(DE3) Biological sequence 1 2.19 43.93 VAPOR DIFFUSION, SITTING DROP 7.0 Ammonium Citrate 2 M pH 7.0 and BIS-TRIS propane pH 7.0 293 -9.147 1 19 B 1 B 22 9.184 B_DC1:DG22_B 1 -8.378 0.630 0.242 -0.178 -2.117 1 20 B 2 B 21 5.224 B_DA2:DT21_B 2 -6.035 0.220 0.349 -0.168 0.153 1 20 B 3 B 20 3.597 B_DT3:DA20_B 3 0.090 0.077 0.240 -0.130 -3.363 1 20 B 4 B 19 5.320 B_DA4:DT19_B 4 -5.479 -0.030 0.032 -0.149 -0.785 1 20 B 5 B 18 2.938 B_DT5:DA18_B 5 -12.267 -0.055 0.271 -0.119 5.752 1 20 B 6 B 17 6.570 B_DT6:DA17_B 6 -17.474 -0.061 0.030 -0.238 6.521 1 19 B 7 B 16 2.581 B_DC7:DG16_B 7 -15.568 0.515 -0.333 -0.194 -13.216 1 20 B 8 B 15 2.309 B_DA8:DT15_B 8 -3.718 0.001 -0.321 -0.094 9.487 1 19 B 9 B 14 1.244 B_DC9:DG14_B 9 2.798 0.383 -0.296 -0.095 14.478 1 20 B 10 B 13 1.038 B_DA10:DT13_B 10 -21.471 0.117 0.064 0.025 2.515 1 20 B 11 B 12 -0.691 B_DA11:DT12_B 11 -15.696 -0.112 0.100 -0.258 -2.515 1 20 B 12 B 11 -0.691 B_DT12:DA11_B 12 -15.696 0.112 0.100 -0.258 -14.478 1 20 B 13 B 10 1.038 B_DT13:DA10_B 13 -21.471 -0.117 0.064 0.025 -9.487 1 19 B 14 B 9 1.244 B_DG14:DC9_B 14 2.798 -0.383 -0.296 -0.095 13.216 1 20 B 15 B 8 2.309 B_DT15:DA8_B 15 -3.718 -0.001 -0.321 -0.094 -6.521 1 19 B 16 B 7 2.581 B_DG16:DC7_B 16 -15.568 -0.515 -0.333 -0.194 -5.752 1 20 B 17 B 6 6.570 B_DA17:DT6_B 17 -17.474 0.061 0.030 -0.238 0.785 1 20 B 18 B 5 2.938 B_DA18:DT5_B 18 -12.267 0.055 0.271 -0.119 3.363 1 20 B 19 B 4 5.320 B_DT19:DA4_B 19 -5.479 0.030 0.032 -0.149 -0.153 1 20 B 20 B 3 3.597 B_DA20:DT3_B 20 0.090 -0.077 0.240 -0.130 2.117 1 20 B 21 B 2 5.224 B_DT21:DA2_B 21 -6.035 -0.220 0.349 -0.168 9.147 1 19 B 22 B 1 9.184 B_DG22:DC1_B 22 -8.378 -0.630 0.242 -0.178 3.637 31.116 B B 1 2 13.871 B B 22 21 3.186 7.320 -1.059 1.690 BB_DC1DA2:DT21DG22_BB 1 -6.510 12.336 29.570 1.651 0.642 3.332 28.085 B B 2 3 1.605 B B 21 20 3.339 0.778 0.598 -1.093 BB_DA2DT3:DA20DT21_BB 2 1.348 -2.779 28.042 -2.440 -0.910 3.484 40.770 B B 3 4 -11.154 B B 20 19 3.476 -7.723 -0.034 -0.403 BB_DT3DA4:DT19DA20_BB 3 2.365 -3.415 39.995 0.338 0.329 3.470 29.162 B B 4 5 -10.652 B B 19 18 3.338 -5.327 -0.366 -0.932 BB_DA4DT5:DA18DT19_BB 4 -2.600 5.198 28.566 -0.629 0.130 3.109 33.980 B B 5 6 -1.902 B B 18 17 3.097 -1.111 0.099 -0.449 BB_DT5DT6:DA17DA18_BB 5 -0.256 0.439 33.962 -0.600 -0.208 3.055 31.514 B B 6 7 13.108 B B 17 16 3.258 7.050 -0.554 -0.249 BB_DT6DC7:DG16DA17_BB 6 3.146 -5.849 30.577 -1.747 1.596 3.785 41.594 B B 7 8 10.689 B B 16 15 3.700 7.542 0.668 0.567 BB_DC7DA8:DT15DG16_BB 7 3.722 -5.275 40.772 -0.125 -0.485 2.715 24.310 B B 8 9 17.097 B B 15 14 2.815 7.097 -0.028 0.072 BB_DA8DC9:DG14DT15_BB 8 0.495 -1.192 23.260 -1.761 0.201 3.314 36.783 B B 9 10 -1.377 B B 14 13 3.314 -0.868 -0.538 0.764 BB_DC9DA10:DT13DG14_BB 9 -1.509 2.392 36.743 1.330 0.645 3.478 37.445 B B 10 11 2.666 B B 13 12 3.498 1.709 -0.117 -0.342 BB_DA10DA11:DT12DT13_BB 10 -3.120 4.866 37.281 -0.772 -0.255 3.433 36.320 B B 11 12 -9.068 B B 12 11 3.383 -5.631 0.000 -0.584 BB_DA11DT12:DA11DT12_BB 11 0.000 0.000 35.896 -0.113 0.000 3.478 37.445 B B 12 13 2.666 B B 11 10 3.498 1.709 0.117 -0.342 BB_DT12DT13:DA10DA11_BB 12 3.120 -4.866 37.281 -0.772 0.255 3.314 36.783 B B 13 14 -1.377 B B 10 9 3.314 -0.868 0.538 0.764 BB_DT13DG14:DC9DA10_BB 13 1.509 -2.392 36.743 1.330 -0.645 2.715 24.310 B B 14 15 17.097 B B 9 8 2.815 7.097 0.028 0.072 BB_DG14DT15:DA8DC9_BB 14 -0.495 1.192 23.260 -1.761 -0.201 3.785 41.594 B B 15 16 10.689 B B 8 7 3.700 7.542 -0.668 0.567 BB_DT15DG16:DC7DA8_BB 15 -3.722 5.275 40.772 -0.125 0.485 3.055 31.514 B B 16 17 13.108 B B 7 6 3.258 7.050 0.554 -0.249 BB_DG16DA17:DT6DC7_BB 16 -3.146 5.849 30.577 -1.747 -1.596 3.109 33.980 B B 17 18 -1.902 B B 6 5 3.097 -1.111 -0.099 -0.449 BB_DA17DA18:DT5DT6_BB 17 0.256 -0.439 33.962 -0.600 0.208 3.470 29.162 B B 18 19 -10.652 B B 5 4 3.338 -5.327 0.366 -0.932 BB_DA18DT19:DA4DT5_BB 18 2.600 -5.198 28.566 -0.629 -0.130 3.484 40.770 B B 19 20 -11.154 B B 4 3 3.476 -7.723 0.034 -0.403 BB_DT19DA20:DT3DA4_BB 19 -2.365 3.415 39.995 0.338 -0.329 3.332 28.085 B B 20 21 1.605 B B 3 2 3.339 0.778 -0.598 -1.093 BB_DA20DT21:DA2DT3_BB 20 -1.348 2.779 28.042 -2.440 0.910 3.637 31.116 B B 21 22 13.871 B B 2 1 3.186 7.320 1.059 1.690 BB_DT21DG22:DC1DA2_BB 21 6.510 -12.336 29.570 1.651 -0.642 repository Initial release 1 0 2026-07-15 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R35GM118157 giedroc@iu.edu 0000-0002-2342-1620 David Giedroc P principal investigator/group leader daianacapdevila@gmail.com 0000-0002-0500-1016 Daiana Capdevila A principal investigator/group leader N RCSB Y RCSB 2026-04-30 REL REL CL CHLORIDE ION HOH water 1061 Rhodobacter capsulatus sample 1 22 N Y A MSE 17 Named protein modification A MSE 18 MET MSE 1 1_555 Selenomethionine A MSE 38 Named protein modification A MSE 39 MET MSE 1 1_555 Selenomethionine A MSE 40 Named protein modification A MSE 41 MET MSE 1 1_555 Selenomethionine A CSD 41 Named protein modification A CSD 42 CYS CSD 1 1_555 Oxidation A CSD 41 Named protein modification A CSD 42 CYS CSD 2 1_555 Hydroxylation CL 1 3 CL CL 201 A HOH 59 4 HOH HOH 301 A HOH 68 4 HOH HOH 302 A HOH 85 4 HOH HOH 303 A HOH 35 4 HOH HOH 304 A HOH 32 4 HOH HOH 305 A HOH 58 4 HOH HOH 306 A HOH 87 4 HOH HOH 307 A HOH 80 4 HOH HOH 308 A HOH 6 4 HOH HOH 309 A HOH 20 4 HOH HOH 310 A HOH 10 4 HOH HOH 311 A HOH 43 4 HOH HOH 312 A HOH 84 4 HOH HOH 313 A HOH 18 4 HOH HOH 314 A HOH 19 4 HOH HOH 315 A HOH 11 4 HOH HOH 316 A HOH 64 4 HOH HOH 317 A HOH 1 4 HOH HOH 318 A HOH 30 4 HOH HOH 319 A HOH 83 4 HOH HOH 320 A HOH 61 4 HOH HOH 321 A HOH 57 4 HOH HOH 322 A HOH 2 4 HOH HOH 323 A HOH 14 4 HOH HOH 324 A HOH 8 4 HOH HOH 325 A HOH 69 4 HOH HOH 326 A HOH 96 4 HOH HOH 327 A HOH 53 4 HOH HOH 328 A HOH 37 4 HOH HOH 329 A HOH 91 4 HOH HOH 330 A HOH 81 4 HOH HOH 331 A HOH 9 4 HOH HOH 332 A HOH 67 4 HOH HOH 333 A HOH 22 4 HOH HOH 334 A HOH 38 4 HOH HOH 335 A HOH 98 4 HOH HOH 336 A HOH 92 4 HOH HOH 337 A HOH 63 4 HOH HOH 338 A HOH 52 4 HOH HOH 339 A HOH 28 4 HOH HOH 340 A HOH 71 4 HOH HOH 341 A HOH 29 4 HOH HOH 342 A HOH 33 4 HOH HOH 343 A HOH 90 4 HOH HOH 344 A HOH 46 4 HOH HOH 345 A HOH 40 4 HOH HOH 346 A HOH 51 4 HOH HOH 347 A HOH 95 4 HOH HOH 348 A HOH 48 4 HOH HOH 349 A HOH 65 4 HOH HOH 350 A HOH 101 4 HOH HOH 351 A HOH 97 4 HOH HOH 352 A HOH 17 4 HOH HOH 353 A HOH 82 4 HOH HOH 354 A HOH 49 4 HOH HOH 355 A HOH 55 4 HOH HOH 101 B HOH 86 4 HOH HOH 102 B HOH 45 4 HOH HOH 103 B HOH 100 4 HOH HOH 104 B HOH 60 4 HOH HOH 105 B HOH 75 4 HOH HOH 106 B HOH 15 4 HOH HOH 107 B HOH 25 4 HOH HOH 108 B HOH 3 4 HOH HOH 109 B HOH 27 4 HOH HOH 110 B HOH 74 4 HOH HOH 111 B HOH 4 4 HOH HOH 112 B HOH 36 4 HOH HOH 113 B HOH 70 4 HOH HOH 114 B HOH 26 4 HOH HOH 115 B HOH 31 4 HOH HOH 116 B HOH 42 4 HOH HOH 117 B HOH 56 4 HOH HOH 118 B HOH 34 4 HOH HOH 119 B HOH 13 4 HOH HOH 120 B HOH 77 4 HOH HOH 121 B HOH 16 4 HOH HOH 122 B HOH 89 4 HOH HOH 123 B HOH 73 4 HOH HOH 124 B HOH 39 4 HOH HOH 125 B HOH 5 4 HOH HOH 126 B HOH 62 4 HOH HOH 127 B HOH 21 4 HOH HOH 128 B HOH 79 4 HOH HOH 129 B HOH 88 4 HOH HOH 130 B HOH 50 4 HOH HOH 131 B HOH 76 4 HOH HOH 132 B HOH 23 4 HOH HOH 133 B HOH 78 4 HOH HOH 134 B HOH 47 4 HOH HOH 135 B HOH 94 4 HOH HOH 136 B HOH 24 4 HOH HOH 137 B HOH 66 4 HOH HOH 138 B HOH 54 4 HOH HOH 139 B HOH 99 4 HOH HOH 140 B HOH 12 4 HOH HOH 141 B HOH 44 4 HOH HOH 142 B HOH 72 4 HOH HOH 143 B HOH 7 4 HOH HOH 144 B HOH 41 4 HOH HOH 145 B HOH 93 4 HOH HOH 146 B n 1 0 A n 2 1 A n 3 2 A n 4 3 A n 5 4 A n 6 5 A n 7 6 A n 8 7 A n 9 8 A n 10 9 A n 11 10 A n 12 11 A n 13 12 A n 14 13 A n 15 14 A n 16 15 A n 17 16 A MSE 17 n 18 MSE 17 A ALA 18 n 19 ALA 18 A THR 19 n 20 THR 19 A ARG 20 n 21 ARG 20 A ALA 21 n 22 ALA 21 A ARG 22 n 23 ARG 22 A ALA 23 n 24 ALA 23 A ALA 24 n 25 ALA 24 A SER 25 n 26 SER 25 A ASN 26 n 27 ASN 26 A LEU 27 n 28 LEU 27 A LEU 28 n 29 LEU 28 A LYS 29 n 30 LYS 29 A ALA 30 n 31 ALA 30 A LEU 31 n 32 LEU 31 A ALA 32 n 33 ALA 32 A HIS 33 n 34 HIS 33 A GLU 34 n 35 GLU 34 A GLY 35 n 36 GLY 35 A ARG 36 n 37 ARG 36 A LEU 37 n 38 LEU 37 A MSE 38 n 39 MSE 38 A ILE 39 n 40 ILE 39 A MSE 40 n 41 MSE 40 A CSD 41 n 42 CSD 41 A TYR 42 n 43 TYR 42 A LEU 43 n 44 LEU 43 A ALA 44 n 45 ALA 44 A SER 45 n 46 SER 45 A GLY 46 n 47 GLY 46 A GLU 47 n 48 GLU 47 A LYS 48 n 49 LYS 48 A SER 49 n 50 SER 49 A VAL 50 n 51 VAL 50 A THR 51 n 52 THR 51 A GLU 52 n 53 GLU 52 A LEU 53 n 54 LEU 53 A GLU 54 n 55 GLU 54 A THR 55 n 56 THR 55 A ARG 56 n 57 ARG 56 A LEU 57 n 58 LEU 57 A SER 58 n 59 SER 58 A THR 59 n 60 THR 59 A ARG 60 n 61 ARG 60 A GLN 61 n 62 GLN 61 A ALA 62 n 63 ALA 62 A ALA 63 n 64 ALA 63 A VAL 64 n 65 VAL 64 A SER 65 n 66 SER 65 A GLN 66 n 67 GLN 66 A GLN 67 n 68 GLN 67 A LEU 68 n 69 LEU 68 A ALA 69 n 70 ALA 69 A ARG 70 n 71 ARG 70 A LEU 71 n 72 LEU 71 A ARG 72 n 73 ARG 72 A LEU 73 n 74 LEU 73 A GLU 74 n 75 GLU 74 A GLY 75 n 76 GLY 75 A LEU 76 n 77 LEU 76 A VAL 77 n 78 VAL 77 A GLN 78 n 79 GLN 78 A SER 79 n 80 SER 79 A ARG 80 n 81 ARG 80 A ARG 81 n 82 ARG 81 A GLU 82 n 83 GLU 82 A GLY 83 n 84 GLY 83 A LYS 84 n 85 LYS 84 A THR 85 n 86 THR 85 A ILE 86 n 87 ILE 86 A TYR 87 n 88 TYR 87 A TYR 88 n 89 TYR 88 A SER 89 n 90 SER 89 A LEU 90 n 91 LEU 90 A SER 91 n 92 SER 91 A ASP 92 n 93 ASP 92 A PRO 93 n 94 PRO 93 A ARG 94 n 95 ARG 94 A ALA 95 n 96 ALA 95 A ALA 96 n 97 ALA 96 A ARG 97 n 98 ARG 97 A VAL 98 n 99 VAL 98 A VAL 99 n 100 VAL 99 A GLN 100 n 101 GLN 100 A THR 101 n 102 THR 101 A VAL 102 n 103 VAL 102 A TYR 103 n 104 TYR 103 A GLU 104 n 105 GLU 104 A GLN 105 n 106 GLN 105 A PHE 106 n 107 PHE 106 A CYS 107 n 108 CYS 107 A n 109 108 A n 110 109 A n 111 110 A DC 1 n 1 DC 1 B DA 2 n 2 DA 2 B DT 3 n 3 DT 3 B DA 4 n 4 DA 4 B DT 5 n 5 DT 5 B DT 6 n 6 DT 6 B DC 7 n 7 DC 7 B DA 8 n 8 DA 8 B DC 9 n 9 DC 9 B DA 10 n 10 DA 10 B DA 11 n 11 DA 11 B DT 12 n 12 DT 12 B DT 13 n 13 DT 13 B DG 14 n 14 DG 14 B DT 15 n 15 DT 15 B DG 16 n 16 DG 16 B DA 17 n 17 DA 17 B DA 18 n 18 DA 18 B DT 19 n 19 DT 19 B DA 20 n 20 DA 20 B DT 21 n 21 DT 21 B DG 22 n 22 DG 22 B 2.32699232746 1.40893295646 -0.504192041963 2.08830258974 -1.36505110069 2.04900218827 0.100925685148 0.531414144962 -1.06448998703 0.0268706188976 -0.592134814234 -0.511944001774 1.07074899477 0.708204933767 0.837656972554 0.43444828001 0.0396208025972 -0.0396802103705 0.409842327341 0.0651264565557 0.510512414098 refined 22.356 8.035 72.829 X-RAY DIFFRACTION 6.38108215822 3.91088064719 3.89864558058 5.59201634584 2.4998650724 5.74471863889 0.019838499082 -0.13334399538 0.0461305744125 -0.10977785788 -0.0381259887046 0.23777602343 -0.0594080033815 -0.328282084034 0.132762052692 0.271867879565 0.0348162195308 0.0173620302462 0.220344695538 0.00784014997574 0.230263847431 refined 11.778 16.608 59.066 X-RAY DIFFRACTION 5.5149386515 -3.32910562666 2.15830425685 8.10379285765 -2.99326055732 7.07710449781 0.220056979302 0.0661417635684 -0.142749354719 -0.278888846975 -0.0564544477306 0.124411988314 0.10337940666 0.0921527290152 -0.127798386147 0.233598233056 -0.0269300282311 0.0261564750628 0.230310886473 -0.00146302144428 0.186197175135 refined 16.665 20.875 53.711 X-RAY DIFFRACTION 5.62848782064 -1.33775911465 2.45611384846 5.30087676 -3.78770444601 3.23718388967 0.136058937912 0.693729091642 -0.378965192399 -0.995122630905 -0.150783115691 -0.223009576596 0.976416386683 0.62977065551 -0.0280836914009 0.507232644441 0.0472232832502 0.0102876120377 0.326444117697 -0.0471918866227 0.322901165899 refined 17.812 11.580 46.896 X-RAY DIFFRACTION 8.82659145333 0.143182081094 -4.76717376289 8.4705112514 2.95585330274 4.55226156817 0.111213133908 0.636998027318 -0.00740139026721 -0.0104024911539 -0.218862750887 0.530005276387 0.486730877081 -1.04101669003 0.0443109521538 0.318525674225 -0.0125896896944 -0.0797046125573 0.401723542302 0.0370658276849 0.271677495664 refined 7.981 9.749 65.548 X-RAY DIFFRACTION 8.51433491788 0.64053124381 -4.39093184927 5.14383453467 1.589254921 6.44189844442 0.428875282869 -0.0378204173809 0.814029458118 0.197318399805 0.0499910170526 -0.0631325000535 -0.747224926837 0.388889805193 -0.457312537877 0.314464434775 -0.0370266312949 -0.0757255231325 0.359573743971 -0.0200396643693 0.306358234223 refined 26.745 26.964 90.229 X-RAY DIFFRACTION 4.55661777371 -1.04123962212 -0.459857417549 2.7778156175 -0.071128139091 7.33720323438 -0.00215571112223 0.352129531939 -0.010616659513 -0.296205675058 0.112035151424 -0.448993908714 0.0828342517546 0.194771100155 -0.129724147479 0.278988345038 -0.114661997637 0.0149342509167 0.269120639085 -0.015047230454 0.334648038737 refined 27.349 27.500 55.095 X-RAY DIFFRACTION A 18 A 28 X-RAY DIFFRACTION 1 ( CHAIN A AND RESID 18:28 ) A 29 A 49 X-RAY DIFFRACTION 2 ( CHAIN A AND RESID 29:49 ) A 50 A 74 X-RAY DIFFRACTION 3 ( CHAIN A AND RESID 50:74 ) A 75 A 89 X-RAY DIFFRACTION 4 ( CHAIN A AND RESID 75:89 ) A 90 A 107 X-RAY DIFFRACTION 5 ( CHAIN A AND RESID 90:107 ) B 1 B 10 X-RAY DIFFRACTION 6 ( CHAIN B AND RESID 1:10 ) B 11 B 22 X-RAY DIFFRACTION 7 ( CHAIN B AND RESID 11:22 ) author_and_software_defined_assembly PISA 4 tetrameric gel filtration 7970 -61 14790 A MSE 17 modified residue A MSE 18 MET A MSE 38 modified residue A MSE 39 MET A MSE 40 modified residue A MSE 41 MET A CSD 41 modified residue A CSD 42 CYS 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 7_556 y,x,-z+1 crystal symmetry operation 0.0000000000 0.0000000000 141.8810000000 A N LYS 48 A N LYS 49 A O TYR 88 A O TYR 89 A O TYR 87 A O TYR 88 A N ARG 80 A N ARG 81 1 B HOH 108 E HOH 1 A HIS 0 A HIS 1 1 Y 1 A MSE 1 A MSE 2 1 Y 1 A GLY 2 A GLY 3 1 Y 1 A SER 3 A SER 4 1 Y 1 A ASP 4 A ASP 5 1 Y 1 A THR 5 A THR 6 1 Y 1 A ASP 6 A ASP 7 1 Y 1 A GLU 7 A GLU 8 1 Y 1 A ARG 8 A ARG 9 1 Y 1 A SER 9 A SER 10 1 Y 1 A ALA 10 A ALA 11 1 Y 1 A ALA 11 A ALA 12 1 Y 1 A LEU 12 A LEU 13 1 Y 1 A ASP 13 A ASP 14 1 Y 1 A ALA 14 A ALA 15 1 Y 1 A GLU 15 A GLU 16 1 Y 1 A GLU 16 A GLU 17 1 Y 1 A SER 108 A SER 109 1 Y 1 A GLY 109 A GLY 110 1 Y 1 A ASP 110 A ASP 111 1 Y 1 A A NE2 O GLN HOH 105 301 2.19 1 2.05 0.30 108.30 110.35 B B B O4' C1' N1 DT DT DT 15 15 15 N 1 2.22 0.30 108.30 110.52 B B B O4' C1' N9 DG DG DG 22 22 22 N 41.47 0.2066 0.1862 0.1872 1.91 46.13 1224 23921 13923 4.87 99.41 0.2430 1 FREE R-VALUE 1.91 SAD 28.4082 0.9000 1.1000 GeoStd + Monomer Library + CDL v1.2 FLAT BULK SOLVENT MODEL 1.91 46.13 101 1265 1 448 715 0.0091 1223 1.1479 1741 0.0546 200 0.0123 145 28.2254 322 0.3993 0.3627 1.99 137 2633 98.96 0.3589 0.3032 2.08 129 2654 99.07 0.3319 0.2695 2.19 132 2665 99.36 0.2603 0.2424 2.33 148 2657 99.36 0.2463 0.2282 2.51 116 2664 100.00 0.2047 0.2160 2.76 123 2708 99.72 0.2578 0.1914 3.16 123 2649 99.64 0.2137 0.1455 3.97 150 2639 98.73 0.1262 0.1322 46.13 166 2652 99.96 31.08 1.91 46.13 13CT 13996 0.999 0.037 0.184 0.180 1 15.3 24.9 99.9 1.91 1.94 1.6 693 0.743 0.686 3.497 3.428 1 25.4 99.9 refinement PHENIX 1.20.1_4487 data reduction XDS data scaling Aimless phasing PHASER 96 tetragonal P 43 21 2 P 4nw 2abw x,y,z -y+1/2,x+1/2,z+3/4 y+1/2,-x+1/2,z+1/4 x+1/2,-y+1/2,-z+1/4 -x+1/2,y+1/2,-z+3/4 -x,-y,z+1/2 y,x,-z -y,-x,-z+1/2 N Crystal structure of Sulfide-responsive transcriptional repressor (SqrR) from Rhodobacter capsulatus bound to DNA 1 N N 2 N N 3 N N 4 N N 4 N N A MSE 17 A MSE 18 HELX_P A ALA 32 A ALA 33 1 AA1 16 A HIS 33 A HIS 34 HELX_P A GLY 46 A GLY 47 1 AA2 14 A VAL 50 A VAL 51 HELX_P A SER 58 A SER 59 1 AA3 9 A ARG 60 A ARG 61 HELX_P A GLU 74 A GLU 75 1 AA4 15 A ASP 92 A ASP 93 HELX_P A PHE 106 A PHE 107 1 AA5 15 covale 1.338 both A MSE 17 A C MSE 18 1_555 A ALA 18 A N ALA 19 1_555 covale 1.338 both A LEU 37 A C LEU 38 1_555 A MSE 38 A N MSE 39 1_555 covale 1.337 both A MSE 38 A C MSE 39 1_555 A ILE 39 A N ILE 40 1_555 covale 1.333 both A ILE 39 A C ILE 40 1_555 A MSE 40 A N MSE 41 1_555 covale 1.330 both A MSE 40 A C MSE 41 1_555 A CSD 41 A N CSD 42 1_555 covale 1.336 both A CSD 41 A C CSD 42 1_555 A TYR 42 A N TYR 43 1_555 hydrog WATSON-CRICK B DC 1 B N3 DC 1 1_555 B DG 22 B N1 DG 22 7_556 hydrog WATSON-CRICK B DC 1 B N4 DC 1 1_555 B DG 22 B O6 DG 22 7_556 hydrog WATSON-CRICK B DC 1 B O2 DC 1 1_555 B DG 22 B N2 DG 22 7_556 hydrog WATSON-CRICK B DA 2 B N1 DA 2 1_555 B DT 21 B N3 DT 21 7_556 hydrog WATSON-CRICK B DA 2 B N6 DA 2 1_555 B DT 21 B O4 DT 21 7_556 hydrog WATSON-CRICK B DT 3 B N3 DT 3 1_555 B DA 20 B N1 DA 20 7_556 hydrog WATSON-CRICK B DT 3 B O4 DT 3 1_555 B DA 20 B N6 DA 20 7_556 hydrog WATSON-CRICK B DA 4 B N1 DA 4 1_555 B DT 19 B N3 DT 19 7_556 hydrog WATSON-CRICK B DA 4 B N6 DA 4 1_555 B DT 19 B O4 DT 19 7_556 hydrog WATSON-CRICK B DT 5 B N3 DT 5 1_555 B DA 18 B N1 DA 18 7_556 hydrog WATSON-CRICK B DT 5 B O4 DT 5 1_555 B DA 18 B N6 DA 18 7_556 hydrog WATSON-CRICK B DT 6 B N3 DT 6 1_555 B DA 17 B N1 DA 17 7_556 hydrog WATSON-CRICK B DT 6 B O4 DT 6 1_555 B DA 17 B N6 DA 17 7_556 hydrog WATSON-CRICK B DC 7 B N3 DC 7 1_555 B DG 16 B N1 DG 16 7_556 hydrog WATSON-CRICK B DC 7 B N4 DC 7 1_555 B DG 16 B O6 DG 16 7_556 hydrog WATSON-CRICK B DC 7 B O2 DC 7 1_555 B DG 16 B N2 DG 16 7_556 hydrog WATSON-CRICK B DA 8 B N1 DA 8 1_555 B DT 15 B N3 DT 15 7_556 hydrog WATSON-CRICK B DA 8 B N6 DA 8 1_555 B DT 15 B O4 DT 15 7_556 hydrog WATSON-CRICK B DC 9 B N3 DC 9 1_555 B DG 14 B N1 DG 14 7_556 hydrog WATSON-CRICK B DC 9 B N4 DC 9 1_555 B DG 14 B O6 DG 14 7_556 hydrog WATSON-CRICK B DC 9 B O2 DC 9 1_555 B DG 14 B N2 DG 14 7_556 hydrog WATSON-CRICK B DA 10 B N1 DA 10 1_555 B DT 13 B N3 DT 13 7_556 hydrog WATSON-CRICK B DA 10 B N6 DA 10 1_555 B DT 13 B O4 DT 13 7_556 hydrog WATSON-CRICK B DA 11 B N1 DA 11 1_555 B DT 12 B N3 DT 12 7_556 hydrog WATSON-CRICK B DA 11 B N6 DA 11 1_555 B DT 12 B O4 DT 12 7_556 hydrog WATSON-CRICK B DT 12 B N3 DT 12 1_555 B DA 11 B N1 DA 11 7_556 hydrog WATSON-CRICK B DT 12 B O4 DT 12 1_555 B DA 11 B N6 DA 11 7_556 hydrog WATSON-CRICK B DT 13 B N3 DT 13 1_555 B DA 10 B N1 DA 10 7_556 hydrog WATSON-CRICK B DT 13 B O4 DT 13 1_555 B DA 10 B N6 DA 10 7_556 hydrog WATSON-CRICK B DG 14 B N1 DG 14 1_555 B DC 9 B N3 DC 9 7_556 hydrog WATSON-CRICK B DG 14 B N2 DG 14 1_555 B DC 9 B O2 DC 9 7_556 hydrog WATSON-CRICK B DG 14 B O6 DG 14 1_555 B DC 9 B N4 DC 9 7_556 hydrog WATSON-CRICK B DT 15 B N3 DT 15 1_555 B DA 8 B N1 DA 8 7_556 hydrog WATSON-CRICK B DT 15 B O4 DT 15 1_555 B DA 8 B N6 DA 8 7_556 hydrog WATSON-CRICK B DG 16 B N1 DG 16 1_555 B DC 7 B N3 DC 7 7_556 hydrog WATSON-CRICK B DG 16 B N2 DG 16 1_555 B DC 7 B O2 DC 7 7_556 hydrog WATSON-CRICK B DG 16 B O6 DG 16 1_555 B DC 7 B N4 DC 7 7_556 hydrog WATSON-CRICK B DA 17 B N1 DA 17 1_555 B DT 6 B N3 DT 6 7_556 hydrog WATSON-CRICK B DA 17 B N6 DA 17 1_555 B DT 6 B O4 DT 6 7_556 hydrog WATSON-CRICK B DA 18 B N1 DA 18 1_555 B DT 5 B N3 DT 5 7_556 hydrog WATSON-CRICK B DA 18 B N6 DA 18 1_555 B DT 5 B O4 DT 5 7_556 hydrog WATSON-CRICK B DT 19 B N3 DT 19 1_555 B DA 4 B N1 DA 4 7_556 hydrog WATSON-CRICK B DT 19 B O4 DT 19 1_555 B DA 4 B N6 DA 4 7_556 hydrog WATSON-CRICK B DA 20 B N1 DA 20 1_555 B DT 3 B N3 DT 3 7_556 hydrog WATSON-CRICK B DA 20 B N6 DA 20 1_555 B DT 3 B O4 DT 3 7_556 hydrog WATSON-CRICK B DT 21 B N3 DT 21 1_555 B DA 2 B N1 DA 2 7_556 hydrog WATSON-CRICK B DT 21 B O4 DT 21 1_555 B DA 2 B N6 DA 2 7_556 hydrog WATSON-CRICK B DG 22 B N1 DG 22 1_555 B DC 1 B N3 DC 1 7_556 hydrog WATSON-CRICK B DG 22 B N2 DG 22 1_555 B DC 1 B O2 DC 1 7_556 hydrog WATSON-CRICK B DG 22 B O6 DG 22 1_555 B DC 1 B N4 DC 1 7_556 TRANSCRIPTION Transcriptional regulator, Sulfide-responsive, DNA-complex, ArsR protein, bacterial allosteric transcription factor, TRANSCRIPTION D5AT91_RHOCB UNP 1 14 D5AT91 EMGSDTDERCAALDAEEMATRARAASNLLKALAHEGRLMIMCYLASGEKSVTELETRLSTRQAAVSQQLARLRLEGLVQS RREGKTIYYSLSDPRAARVVQTVYEQFCSGD 13CT PDB 2 1 13CT 14 124 13CT 0 110 D5AT91 A 1 1 111 1 22 13CT 1 22 13CT B 2 1 22 1 GLU conflict HIS 0 13CT A D5AT91 UNP 14 1 1 CYS conflict SER 9 13CT A D5AT91 UNP 23 10 3 anti-parallel anti-parallel A LYS 48 A LYS 49 A SER 49 A SER 50 A THR 85 A THR 86 A LEU 90 A LEU 91 A VAL 77 A VAL 78 A GLU 82 A GLU 83 96 P 43 21 2 P 4nw 2abw