1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Mott, H.R. Owen, D. Murphy, N.P. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C4 H9 N O2 S 135.185 2-AMINO-4-MERCAPTO-BUTYRIC ACID L-Homocysteine L-peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C6 H13 N O2 131.173 y ISOLEUCINE 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 C11 H12 N2 O2 204.225 y TRYPTOPHAN 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 O 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 N N 58 R C N 59 N C N 60 N O N 61 N C N 62 N S N 63 N O N 64 N H N 65 N H N 66 N H N 67 N H N 68 N H N 69 N H N 70 N H N 71 N N N 72 S C N 73 N C N 74 N C N 75 N S N 76 N C N 77 N O N 78 N O N 79 N H N 80 N H N 81 N H N 82 N H N 83 N H N 84 N H N 85 N H N 86 N H N 87 N H N 88 N N N 89 S C N 90 N C N 91 N O N 92 N C Y 93 N C Y 94 N N Y 95 N C Y 96 N C Y 97 N N N 98 N O 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 H N 106 N H N 107 N H N 108 N H N 109 N N N 110 S C N 111 N C N 112 N O N 113 S C N 114 N C N 115 N C N 116 N C N 117 N O N 118 N H N 119 N H N 120 N H N 121 N H N 122 N H N 123 N H N 124 N H N 125 N H N 126 N H N 127 N H N 128 N H N 129 N H N 130 N H N 131 N N N 132 S C N 133 N C N 134 N O N 135 N C N 136 N C N 137 N C N 138 N O N 139 N H N 140 N H N 141 N H N 142 N H N 143 N H N 144 N H N 145 N H N 146 N H N 147 N H N 148 N N N 149 S C N 150 N C N 151 N O N 152 N C N 153 N O N 154 N O N 155 N H N 156 N H N 157 N H N 158 N H N 159 N H N 160 N H N 161 N H N 162 N N N 163 S C N 164 N C N 165 N O N 166 N C Y 167 N C Y 168 N C Y 169 N C Y 170 N N Y 171 N C Y 172 N C Y 173 N C Y 174 N C Y 175 N C N 176 N O N 177 N H N 178 N H N 179 N H N 180 N H N 181 N H N 182 N H N 183 N H N 184 N H N 185 N H N 186 N H N 187 N H N 188 N H N 189 N N N 190 S C N 191 N C N 192 N O N 193 N C Y 194 N C Y 195 N C Y 196 N C Y 197 N C Y 198 N C Y 199 N C N 200 N O N 201 N O 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 H N 213 N N N 214 S C N 215 N C N 216 N O N 217 N C N 218 N C N 219 N C N 220 N O N 221 N H N 222 N H N 223 N H N 224 N H N 225 N H N 226 N H N 227 N H N 228 N H N 229 N H N 230 N H N 231 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 doub N 61 N sing N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N sing 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 sing 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 doub N 90 N sing N 91 N sing N 92 N sing N 93 N sing Y 94 N sing Y 95 N doub Y 96 N doub N 97 N sing Y 98 N sing N 99 N sing Y 100 N sing 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 doub 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 N 121 N sing N 122 N sing N 123 N sing N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N sing N 129 N sing N 130 N sing N 131 N doub N 132 N sing N 133 N sing N 134 N sing N 135 N sing N 136 N sing N 137 N sing N 138 N sing 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 doub 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 sing N 164 N sing N 165 N sing Y 166 N doub Y 167 N sing Y 168 N sing N 169 N sing Y 170 N doub Y 171 N sing Y 172 N sing N 173 N sing Y 174 N sing Y 175 N doub N 176 N sing Y 177 N doub N 178 N sing Y 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 doub N 190 N sing N 191 N sing N 192 N sing N 193 N sing Y 194 N doub Y 195 N sing Y 196 N sing N 197 N sing Y 198 N doub N 199 N sing Y 200 N doub N 201 N sing Y 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N sing N 210 N sing N 211 N sing N 212 N sing N 213 N doub 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 US Biochemistry BICHAW 0033 0006-2960 65 297 310 10.1021/acs.biochem.5c00616 41566164 Cyclized Peptide Inhibitors of the Small G Protein Cdc42 Mimic Binding of Effector Proteins. 2026 10.2210/pdb9grl/pdb pdb_00009grl 10.13018/BMR34957 1955.269 PRO-SER-ILE-HCS-HIS-VAL-HIS-ARG-PRO-ASP-TRP-PRO-CYS-ALA-TYR-ARG 1 syn polymer no yes PSI(HCS)HVHRPDWPCAYR PSIXHVHRPDWPCAYR A polypeptide(L) n n n n n n n n n n n n n n n n citation citation_author citation citation_author repository Initial release Database references Database references 1 0 2026-01-21 1 1 2026-02-11 1 2 2026-02-18 _citation.country _citation.journal_abbrev _citation.journal_id_ASTM _citation.journal_id_CSD _citation.journal_id_ISSN _citation.pdbx_database_id_DOI _citation.pdbx_database_id_PubMed _citation.title _citation.year _citation_author.identifier_ORCID _citation.journal_volume _citation.page_first _citation.page_last _citation_author.identifier_ORCID United Kingdom Biotechnology and Biological Sciences Research Council (BBSRC) BB/M011194/1 United Kingdom Medical Research Council (MRC, United Kingdom) MR/K017101/1 do202@cam.ac.uk 0000-0003-0978-5425 Darerca Owen principal investigator/group leader Cdc42 binding peptide (W14A) with homocysteine N PDBE Y PDBE 2024-09-11 REL REL 32630 synthetic construct sample 1 16 N Y A HCS 4 Non-standard residue A HCS 4 HCS 1 1_555 None A HCS 4 Disulfide bridge SD A HCS 4 A CYS 13 SG A CYS 13 1_555 1_555 None structures with the lowest energy 100 30 isotropic 1 2D TOCSY isotropic 1 2D NOESY 3 mM none 50 mM none 50 mM 1 7 pH 1 atm 298 K simulated annealing 1 closest to the average 3 mM peptide, 50 mM sodium phosphate, 90% H2O/10% D2O 1 90% H2O/10% D2O solution CCPN chemical shift assignment CcpNmr Analysis Linge, O'Donoghue and Nilges structure calculation ARIA Brunger, Adams, Clore, Gros, Nilges and Read refinement CNS CCPN peak picking CcpNmr Analysis 800 Bruker AVANCE PRO 1 n 1 PRO 1 A SER 2 n 2 SER 2 A ILE 3 n 3 ILE 3 A HCS 4 n 4 HCS 4 A HIS 5 n 5 HIS 5 A VAL 6 n 6 VAL 6 A HIS 7 n 7 HIS 7 A ARG 8 n 8 ARG 8 A PRO 9 n 9 PRO 9 A ASP 10 n 10 ASP 10 A TRP 11 n 11 TRP 11 A PRO 12 n 12 PRO 12 A CYS 13 n 13 CYS 13 A ALA 14 n 14 ALA 14 A TYR 15 n 15 TYR 15 A ARG 16 n 16 ARG 16 A author_and_software_defined_assembly 1 monomeric not applicable NMR Distance Restraints 1.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0 1_555 x,y,z identity operation 0.0 0.0 0.0 1 A ILE 3 70.30 98.93 1 A HCS 4 -145.02 -157.13 1 A ASP 10 -141.39 23.31 1 A ALA 14 -177.57 22.42 2 A ILE 3 69.13 99.12 2 A HCS 4 -142.77 -157.51 3 A ILE 3 69.83 100.15 3 A HCS 4 -144.74 -153.98 3 A ASP 10 -145.10 23.04 3 A ALA 14 -168.95 21.16 4 A ILE 3 66.34 100.61 4 A HCS 4 -144.43 -157.69 4 A ASP 10 -140.28 15.36 4 A ALA 14 -172.06 19.80 5 A ILE 3 70.32 99.53 5 A HCS 4 -145.32 -158.76 5 A CYS 13 -77.78 44.06 5 A ALA 14 -161.15 22.65 6 A ILE 3 69.04 101.63 6 A HCS 4 -150.45 -157.87 6 A ALA 14 -167.44 20.15 7 A ILE 3 66.21 99.78 7 A HCS 4 -145.48 -156.47 7 A ALA 14 -174.96 25.99 8 A ILE 3 66.28 102.99 8 A HCS 4 -146.10 -154.33 8 A ASP 10 -142.25 26.97 8 A ALA 14 -171.39 19.59 9 A SER 2 62.30 166.75 9 A ILE 3 59.10 100.81 9 A HCS 4 -143.15 -159.80 9 A ALA 14 -170.75 19.46 10 A ILE 3 67.73 103.79 10 A HCS 4 -150.21 -157.02 10 A ASP 10 -144.25 30.13 10 A ALA 14 -177.88 20.60 11 A ILE 3 68.59 100.26 11 A HCS 4 -144.55 -157.51 11 A ASP 10 -141.50 25.19 11 A ALA 14 -173.06 21.09 12 A ILE 3 67.19 100.72 12 A HCS 4 -144.90 -156.52 12 A CYS 13 -80.90 33.66 13 A ILE 3 67.70 103.12 13 A HCS 4 -146.67 -156.69 13 A ASP 10 -143.66 25.06 13 A ALA 14 -168.57 21.04 14 A SER 2 53.10 172.07 14 A ILE 3 59.23 97.64 14 A HCS 4 -135.94 -156.15 14 A PRO 9 -71.09 -72.51 14 A ALA 14 -171.10 -34.23 15 A ILE 3 66.68 97.01 15 A HCS 4 -143.12 -155.40 15 A ASP 10 -141.52 27.54 15 A ALA 14 160.14 -6.14 16 A ILE 3 66.68 98.58 16 A HCS 4 -147.14 -155.77 16 A ASP 10 -143.80 19.74 16 A CYS 13 -78.61 46.67 16 A ALA 14 -161.44 21.46 17 A ILE 3 70.85 105.14 17 A HCS 4 -148.47 -154.81 17 A ALA 14 -173.19 23.44 18 A ILE 3 71.76 103.70 18 A HCS 4 -140.49 -155.70 18 A PRO 9 -74.48 -70.70 18 A ALA 14 -168.67 20.07 19 A ILE 3 65.35 101.59 19 A HCS 4 -145.24 -156.80 19 A ALA 14 -162.14 18.81 20 A ILE 3 71.38 105.25 20 A HCS 4 -145.68 -157.84 20 A ASP 10 -144.87 45.37 20 A ALA 14 -172.02 22.02 21 A ILE 3 66.91 102.15 21 A HCS 4 -145.35 -157.41 21 A ALA 14 -165.09 14.42 22 A ILE 3 66.96 98.74 22 A HCS 4 -145.18 -156.70 22 A ASP 10 -140.75 20.91 22 A ALA 14 -165.74 21.15 23 A ILE 3 68.75 97.74 23 A HCS 4 -142.99 -152.79 23 A ASP 10 -146.98 24.29 23 A ALA 14 -144.58 -11.31 24 A ILE 3 71.52 102.24 24 A HCS 4 -142.57 -155.71 24 A ALA 14 -157.54 14.09 25 A ILE 3 68.58 103.09 25 A HCS 4 -146.97 -155.15 25 A ALA 14 -161.93 18.32 26 A ILE 3 69.53 103.87 26 A HCS 4 -147.57 -156.01 26 A ALA 14 -174.33 20.03 27 A ILE 3 43.97 97.58 27 A HCS 4 -135.95 -156.48 27 A CYS 13 -82.72 41.17 28 A ILE 3 67.91 99.97 28 A HCS 4 -148.07 -154.40 28 A CYS 13 -80.40 46.10 28 A ALA 14 -159.02 19.60 29 A ILE 3 66.27 96.63 29 A HCS 4 -140.56 -155.32 29 A ASP 10 -142.13 21.44 29 A CYS 13 -83.96 45.73 29 A ALA 14 -140.33 15.70 30 A ILE 3 73.35 105.04 30 A HCS 4 -142.82 -155.75 30 A ALA 14 -158.20 15.00 N Cdc42 binding peptide (W14A) with homocysteine 1 N N disulf 2.026 A HCS 4 A SD HCS 4 1_555 A CYS 13 A SG CYS 13 1_555 covale 1.329 both A ILE 3 A C ILE 3 1_555 A HCS 4 A N HCS 4 1_555 covale 1.330 both A HCS 4 A C HCS 4 1_555 A HIS 5 A N HIS 5 1_555 DE NOVO PROTEIN Cdc42 binding; peptide, DE NOVO PROTEIN 9GRL PDB 1 1 9GRL 1 16 9GRL 1 16 9GRL A 1 1 16