Structure of PDB 1k6c Chain B Binding Site BS01

Receptor Information
>1k6c Chain B (length=99) Species: 11676 (Human immunodeficiency virus 1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PQITLWKRPLVTIRIGGQLKEALLDTGADDTVLEEMNLPGRWKPKMIGGI
GGFIKVRQYDQIPIEICGHKAIGTVLVGPTPTNVIGRNLLTQIGCTLNF
Ligand information
Ligand IDMK1
InChIInChI=1S/C36H47N5O4/c1-36(2,3)39-35(45)31-24-40(22-26-12-9-15-37-21-26)16-17-41(31)23-29(42)19-28(18-25-10-5-4-6-11-25)34(44)38-33-30-14-8-7-13-27(30)20-32(33)43/h4-15,21,28-29,31-33,42-43H,16-20,22-24H2,1-3H3,(H,38,44)(H,39,45)/t28-,29+,31+,32-,33+/m1/s1
InChIKeyCBVCZFGXHXORBI-PXQQMZJSSA-N
SMILES
SoftwareSMILES
CACTVS 3.341CC(C)(C)NC(=O)[C@@H]1CN(CCN1C[C@@H](O)C[C@@H](Cc2ccccc2)C(=O)N[C@@H]3[C@H](O)Cc4ccccc34)Cc5cccnc5
ACDLabs 10.04O=C(NC2c1ccccc1CC2O)C(Cc3ccccc3)CC(O)CN5C(C(=O)NC(C)(C)C)CN(Cc4cnccc4)CC5
CACTVS 3.341CC(C)(C)NC(=O)[CH]1CN(CCN1C[CH](O)C[CH](Cc2ccccc2)C(=O)N[CH]3[CH](O)Cc4ccccc34)Cc5cccnc5
OpenEye OEToolkits 1.5.0CC(C)(C)NC(=O)C1CN(CCN1CC(CC(Cc2ccccc2)C(=O)NC3c4ccccc4CC3O)O)Cc5cccnc5
OpenEye OEToolkits 1.5.0CC(C)(C)NC(=O)[C@@H]1C[N@@](CC[N@]1C[C@H](C[C@@H](Cc2ccccc2)C(=O)N[C@H]3c4ccccc4C[C@H]3O)O)Cc5cccnc5
FormulaC36 H47 N5 O4
NameN-[2(R)-HYDROXY-1(S)-INDANYL]-5-[(2(S)-TERTIARY BUTYLAMINOCARBONYL)-4(3-PYRIDYLMETHYL)PIPERAZINO]-4(S)-HYDROXY-2(R)-PHENYLMETHYLPENTANAMIDE;
INDINAVIR
ChEMBLCHEMBL115
DrugBankDB00224
ZINCZINC000022448696
PDB chain1k6c Chain B Residue 902 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1k6c Lack of synergy for inhibitors targeting a multi-drug-resistant HIV-1 protease.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		D25 G27 A28 D29 D30 G48 P81
Binding residue
(residue number reindexed from 1)		D25 G27 A28 D29 D30 G48 P81
Annotation score1
Binding affinityMOAD: Kd=33nM
PDBbind-CN: -logKd/Ki=7.48,Kd=33nM
Enzymatic activity
Catalytic site (original residue number in PDB) D25 T26 G27
Catalytic site (residue number reindexed from 1) D25 T26 G27
Enzyme Commision number 2.7.7.-
2.7.7.49: RNA-directed DNA polymerase.
2.7.7.7: DNA-directed DNA polymerase.
3.1.-.-
3.1.13.2: exoribonuclease H.
3.1.26.13: retroviral ribonuclease H.
3.4.23.16: HIV-1 retropepsin.
Gene Ontology
Molecular Function
GO:0004190 aspartic-type endopeptidase activity
Biological Process
GO:0006508 proteolysis

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:1k6c, PDBe:1k6c, PDBj:1k6c
PDBsum1k6c
PubMed11790852
UniProtP35963|POL_HV1Y2 Gag-Pol polyprotein (Gene Name=gag-pol)

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