C21 H21 N5 343.425 6-ethyl-5-[(3R)-3-(6-phenylpyridin-3-yl)but-1-yn-1-yl]pyrimidine-2,4-diamine N 0 Corina N 2025-09-12 9Y7S N 2026-07-17 RCSB REL HETAIN A1CTA non-polymer C1 0 -20.976 9.119 6.628 1 Y C11 A1CTA N 1.075 -1.873 0.133 1 N C N1 0 -14.108 13.622 3.529 1 N N2 A1CTA N -6.553 2.436 -0.150 2 N N C2 0 -22.693 9.675 8.652 1 Y C14 A1CTA N 3.374 -0.417 0.022 3 N C C3 0 -25.730 10.955 10.534 1 Y C17 A1CTA N 6.025 1.939 -1.224 4 N C C4 0 -24.851 10.650 9.496 1 Y C16 A1CTA N 4.863 1.197 -1.159 5 N C C5 0 -23.617 10.041 9.760 1 Y C15 A1CTA N 4.621 0.382 -0.054 6 N C C6 0 -22.319 9.389 6.408 1 Y C21 A1CTA N 1.371 -1.048 -0.936 7 N C C7 0 -17.885 13.546 7.004 1 N C1 A1CTA N -1.354 2.098 1.391 8 N C C8 0 -17.001 12.380 7.079 1 N C2 A1CTA N -1.802 1.845 -0.050 9 N C C9 0 -16.426 12.089 5.719 1 Y C3 A1CTA N -3.194 1.266 -0.049 10 N C N2 0 -15.586 12.993 5.210 1 Y N1 A1CTA N -4.250 2.061 -0.098 11 N N C10 0 -14.970 12.706 4.035 1 Y C4 A1CTA N -5.479 1.566 -0.098 12 N C N3 0 -15.125 11.591 3.292 1 Y N3 A1CTA N -5.711 0.262 -0.050 13 N N C11 0 -15.970 10.664 3.794 1 Y C5 A1CTA N -4.707 -0.604 0.001 14 N C N4 0 -16.179 9.536 3.104 1 N N4 A1CTA N -4.953 -1.964 0.052 15 N N C12 0 -16.658 10.908 5.013 1 Y C6 A1CTA N -3.385 -0.115 -0.002 16 N C C13 0 -17.621 9.939 5.422 1 N C7 A1CTA N -2.269 -1.011 0.051 17 N C C14 0 -18.683 9.413 5.560 1 N C8 A1CTA N -1.354 -1.745 0.095 18 N C C15 0 -19.997 8.738 5.546 1 N C9 A1CTA N -0.207 -2.666 0.150 19 R C C16 0 -19.692 7.252 5.713 1 N C10 A1CTA N -0.245 -3.600 -1.061 20 N C C17 0 -20.494 9.148 7.938 1 Y C12 A1CTA N 1.972 -1.969 1.187 21 N C C18 0 -21.365 9.441 8.944 1 Y C13 A1CTA N 3.140 -1.229 1.130 22 N C C19 0 -25.349 10.741 11.867 1 Y C18 A1CTA N 6.948 1.875 -0.196 23 N C C20 0 -24.096 10.163 12.140 1 Y C19 A1CTA N 6.710 1.072 0.905 24 N C C21 0 -23.258 9.770 11.086 1 Y C20 A1CTA N 5.555 0.322 0.979 25 N C N5 0 -23.176 9.689 7.388 1 Y N5 A1CTA N 2.490 -0.354 -0.965 26 N N H1 0 -13.733 13.286 2.665 1 N H1 A1CTA N -6.400 3.394 -0.185 27 N H H2 0 -14.592 14.483 3.370 1 N H2 A1CTA N -7.459 2.090 -0.151 28 N H H3 0 -26.707 11.357 10.311 1 N H3 A1CTA N 6.216 2.566 -2.082 29 N H H4 0 -25.124 10.885 8.478 1 N H4 A1CTA N 4.143 1.247 -1.962 30 N H H5 0 -22.690 9.355 5.394 1 N H5 A1CTA N 0.675 -0.971 -1.759 31 N H H6 0 -18.303 13.755 8.000 1 N H6 A1CTA N -2.039 2.801 1.866 32 N H H7 0 -17.312 14.418 6.657 1 N H7 A1CTA N -1.357 1.159 1.943 33 N H H8 0 -18.704 13.340 6.299 1 N H8 A1CTA N -0.348 2.517 1.390 34 N H H9 0 -17.575 11.508 7.427 1 N H9 A1CTA N -1.799 2.784 -0.602 35 N H H10 0 -16.183 12.586 7.785 1 N H10 A1CTA N -1.117 1.142 -0.525 36 N H H11 0 -15.639 9.554 2.263 1 N H11 A1CTA N -5.866 -2.292 0.050 37 N H H12 0 -15.905 8.750 3.659 1 N H12 A1CTA N -4.213 -2.590 0.089 38 N H H13 0 -20.473 8.891 4.566 1 N H13 A1CTA N -0.257 -3.255 1.065 39 N H H14 0 -20.633 6.682 5.712 1 N H14 A1CTA N -0.194 -3.011 -1.977 40 N H H15 0 -19.056 6.913 4.882 1 N H15 A1CTA N 0.605 -4.282 -1.021 41 N H H16 0 -19.167 7.090 6.666 1 N H16 A1CTA N -1.172 -4.174 -1.049 42 N H H17 0 -19.455 8.943 8.149 1 N H17 A1CTA N 1.763 -2.606 2.034 43 N H H18 0 -21.017 9.490 9.965 1 N H18 A1CTA N 3.860 -1.280 1.933 44 N H H19 0 -26.011 11.017 12.675 1 N H19 A1CTA N 7.858 2.454 -0.253 45 N H H20 0 -23.779 10.022 13.163 1 N H20 A1CTA N 7.435 1.026 1.705 46 N H H21 0 -22.332 9.256 11.298 1 N H21 A1CTA N 5.372 -0.307 1.837 47 N H N 1 N sing Y 2 N doub Y 3 N sing N 4 N sing Y 5 N sing Y 6 N doub N 7 N sing Y 8 N doub Y 9 N sing N 10 N trip N 11 N sing N 12 N sing N 13 N sing N 14 N sing Y 15 N doub Y 16 N sing Y 17 N sing N 18 N sing Y 19 N doub Y 20 N doub Y 21 N sing N 22 N sing Y 23 N doub Y 24 N sing Y 25 N sing Y 26 N doub Y 27 N doub Y 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N sing 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 sing N 46 N sing N 47 N sing N 48 N sing N 49 N sing RCSB RCSB CCc1nc(N)nc(N)c1C#CC(C)c1ccc(nc1)c1ccccc1 InChI=1S/C21H21N5/c1-3-18-17(20(22)26-21(23)25-18)11-9-14(2)16-10-12-19(24-13-16)15-7-5-4-6-8-15/h4-8,10,12-14H,3H2,1-2H3,(H4,22,23,25,26)/t14-/m1/s1 JKSKINFMKRSXHC-CQSZACIVSA-N CCc1nc(N)nc(N)c1C#C[C@@H](C)c2ccc(nc2)c3ccccc3 CCc1nc(N)nc(N)c1C#C[CH](C)c2ccc(nc2)c3ccccc3 CCc1c(c(nc(n1)N)N)C#C[C@@H](C)c2ccc(nc2)c3ccccc3 CCc1c(c(nc(n1)N)N)C#CC(C)c2ccc(nc2)c3ccccc3 6-ethyl-5-[(3R)-3-(6-phenylpyridin-3-yl)but-1-yn-1-yl]pyrimidine-2,4-diamine 6-ethyl-5-[(3~{R})-3-(6-phenylpyridin-3-yl)but-1-ynyl]pyrimidine-2,4-diamine