2024-07-06_00000331|ligand|9AT3

Crystal structure of SARS-CoV-2 3CL protease in complex with an ethylcyclohexyl 2-pyrrolidone inhibitor; X-ray diffraction 1.70Å

Protein #1 308 residues (98% resolved)

Raw Sequence ...

SNIGSGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDVVYCPRHVICTSEDMLNPNYEDLLIRKSNHNFLVQAGNVQLRVIGHSMQNCVLKLKVDTANPKTPKYKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNFTIKGSFLNGSCGSVGFNIDYDCVSFCYMHHMELPTGVHAGTDLEGNFYGPFVDRQTAQAAGTDTTITVNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDILGPLSAQTGIAVLDMCASLKELLQNGMNGRTILGSALLEDEFTPFDVVRQCSGVT

Canonical Sequence ...

Non polymer #2 A1AGK

InChI=1S/C27H46N4O9S/c1-17(2)14-21(25(34)29-22(26(35)41(37,38)39)15-19-10-12-28-24(19)33)30-27(36)40-16-20-8-9-23(32)31(20)13-11-18-6-4-3-5-7-18/h17-22,26,35H,3-16H2,1-2H3,(H,28,33)(H,29,34)(H,30,36)(H,37,38,39)/t19-,20-,21-,22-,26+/m0/s1

InChI=1S/C27H46N4O9S/c1-17(2)14-21(25(34)29-22(26(35)41(37,38)39)15-19-10-12-28-24(19)33)30-27(36)40-16-20-8-9-23(32)31(20)13-11-18-6-4-3-5-7-18/h17-22,26,35H,3-16H2,1-2H3,(H,28,33)(H,29,34)(H,30,36)(H,37,38,39)/t19-,20-,21-,22-,26+/m0/s1

SMILES: CC(C)C[C@@H](C(=O)N[C@@H](C[C@@H]1CCNC1=O)C(O)S(=O)(=O)O)NC(=O)OC[C@@H]2CCC(=O)N2CCC3CCCCC3

CC(C)C[C@@H](C(=O)N[C@@H](C[C@@H]1CCNC1=O)C(O)S(=O)(=O)O)NC(=O)OC[C@@H]2CCC(=O)N2CCC3CCCCC3

Non polymer #3 A1AGL

InChI=1S/C27H46N4O9S/c1-17(2)14-21(25(34)29-22(26(35)41(37,38)39)15-19-10-12-28-24(19)33)30-27(36)40-16-20-8-9-23(32)31(20)13-11-18-6-4-3-5-7-18/h17-22,26,35H,3-16H2,1-2H3,(H,28,33)(H,29,34)(H,30,36)(H,37,38,39)/t19-,20-,21-,22-,26-/m0/s1

SMILES: CC(C)C[C@@H](C(=O)N[C@@H](C[C@@H]1CCNC1=O)C(O)S(=O)(=O)O)NC(=O)OC[C@@H]2CCC(=O)N2CCC3CCCCC3

CC(C)C[C@@H](C(=O)N[C@@H](C[C@@H]1CCNC1=O)C(O)S(=O)(=O)O)NC(=O)OC[C@@H]2CCC(=O)N2CCC3CCCCC3

Non polymer #4 CA

InChI=1S/Ca/q+2

SMILES: [Ca+2]

[Ca+2]

Biounit #1 homo-dimer

Reference