Structure of PDB 3ekq Chain B Binding Site BS01

Receptor Information
>3ekq Chain B (length=99) Species: 11685 (HIV-1 M:B_ARV2/SF2) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PQITLWKRPIVTIRIGGQLKEALLDTGADDTVLEEMNLPGKWKPKMIVGI
GGFVKVRQYDQIPIEICGHKAIGTVLVGPTPTNIIGRNLLTQIGCTLNF
Ligand information
Ligand IDROC
InChIInChI=1S/C38H50N6O5/c1-38(2,3)43-37(49)32-20-26-14-7-8-15-27(26)22-44(32)23-33(45)30(19-24-11-5-4-6-12-24)41-36(48)31(21-34(39)46)42-35(47)29-18-17-25-13-9-10-16-28(25)40-29/h4-6,9-13,16-18,26-27,30-33,45H,7-8,14-15,19-23H2,1-3H3,(H2,39,46)(H,41,48)(H,42,47)(H,43,49)/t26-,27+,30-,31-,32-,33+/m0/s1
InChIKeyQWAXKHKRTORLEM-UGJKXSETSA-N
SMILES
SoftwareSMILES
ACDLabs 12.01O=C(N)CC(NC(=O)c1nc2c(cc1)cccc2)C(=O)NC(Cc3ccccc3)C(O)CN5C(C(=O)NC(C)(C)C)CC4C(CCCC4)C5
OpenEye OEToolkits 1.7.0CC(C)(C)NC(=O)[C@@H]1C[C@@H]2CCCC[C@@H]2C[N@]1C[C@H]([C@H](Cc3ccccc3)NC(=O)[C@H](CC(=O)N)NC(=O)c4ccc5ccccc5n4)O
OpenEye OEToolkits 1.7.0CC(C)(C)NC(=O)C1CC2CCCCC2CN1CC(C(Cc3ccccc3)NC(=O)C(CC(=O)N)NC(=O)c4ccc5ccccc5n4)O
CACTVS 3.370CC(C)(C)NC(=O)[CH]1C[CH]2CCCC[CH]2CN1C[CH](O)[CH](Cc3ccccc3)NC(=O)[CH](CC(N)=O)NC(=O)c4ccc5ccccc5n4
CACTVS 3.370CC(C)(C)NC(=O)[C@@H]1C[C@@H]2CCCC[C@@H]2CN1C[C@@H](O)[C@H](Cc3ccccc3)NC(=O)[C@H](CC(N)=O)NC(=O)c4ccc5ccccc5n4
FormulaC38 H50 N6 O5
Name(2S)-N-[(2S,3R)-4-[(2S,3S,4aS,8aS)-3-(tert-butylcarbamoyl)-3,4,4a,5,6,7,8,8a-octahydro-1H-isoquinolin-2-yl]-3-hydroxy-1 -phenyl-butan-2-yl]-2-(quinolin-2-ylcarbonylamino)butanediamide;
Fortovase;
SAQUINAVIR;
RO 31-8959
ChEMBLCHEMBL114
DrugBankDB01232
ZINCZINC000003914596
PDB chain3ekq Chain A Residue 100 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3ekq Extreme Entropy-Enthalpy Compensation in a Drug-Resistant Variant of HIV-1 Protease.
Resolution2.2 Å
Binding residue
(original residue number in PDB)
R8 L23 D25 G27 V48 P81 I84
Binding residue
(residue number reindexed from 1)
R8 L23 D25 G27 V48 P81 I84
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=6.75,Kd=176.0nM
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

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Molecular Function

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Biological Process
External links
PDB RCSB:3ekq, PDBe:3ekq, PDBj:3ekq
PDBsum3ekq
PubMed22712830
UniProtP03369|POL_HV1A2 Gag-Pol polyprotein (Gene Name=gag-pol)

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