Structure of PDB 1hos Chain B Binding Site BS01

Receptor Information
>1hos 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]
PQITLWQRPLVTIKIGGQLKEALLDTGADDTVLEEMSLPGRWKPKMIGGI
GGFIKVRQYDQILIEICGHKAIGTVLVGPTPVNIIGRNLLTQIGCTLNF
Ligand information
Ligand IDPHP
InChIInChI=1S/C42H51N4O8P/c1-29(2)37(45-41(49)53-27-33-21-13-7-14-22-33)39(47)43-35(25-31-17-9-5-10-18-31)55(51,52)36(26-32-19-11-6-12-20-32)44-40(48)38(30(3)4)46-42(50)54-28-34-23-15-8-16-24-34/h5-24,29-30,35-38H,25-28H2,1-4H3,(H,43,47)(H,44,48)(H,45,49)(H,46,50)(H,51,52)/t35-,36-,37+,38+/m1/s1
InChIKeyNKLAQVJZOVABOV-RNATXAOGSA-N
SMILES
SoftwareSMILES
CACTVS 3.341CC(C)[C@H](NC(=O)OCc1ccccc1)C(=O)N[C@@H](Cc2ccccc2)[P@@](O)(=O)[C@H](Cc3ccccc3)NC(=O)[C@@H](NC(=O)OCc4ccccc4)C(C)C
OpenEye OEToolkits 1.5.0CC(C)C(C(=O)NC(Cc1ccccc1)P(=O)(C(Cc2ccccc2)NC(=O)C(C(C)C)NC(=O)OCc3ccccc3)O)NC(=O)OCc4ccccc4
OpenEye OEToolkits 1.5.0CC(C)[C@@H](C(=O)N[C@@H](Cc1ccccc1)P(=O)([C@H](Cc2ccccc2)NC(=O)[C@H](C(C)C)NC(=O)OCc3ccccc3)O)NC(=O)OCc4ccccc4
ACDLabs 10.04O=C(OCc1ccccc1)NC(C(=O)NC(Cc2ccccc2)P(=O)(O)C(NC(=O)C(NC(=O)OCc3ccccc3)C(C)C)Cc4ccccc4)C(C)C
CACTVS 3.341CC(C)[CH](NC(=O)OCc1ccccc1)C(=O)N[CH](Cc2ccccc2)[P](O)(=O)[CH](Cc3ccccc3)NC(=O)[CH](NC(=O)OCc4ccccc4)C(C)C
FormulaC42 H51 N4 O8 P
Name(2-PHENYL-1-CARBOBENZYL-OXYVALYL-AMINO)-ETHYL-PHOSPHINIC ACID
ChEMBL
DrugBank
ZINCZINC000098209299
PDB chain1hos Chain A Residue 400 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1hos Inhibition of human immunodeficiency virus-1 protease by a C2-symmetric phosphinate. Synthesis and crystallographic analysis.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		D25 G27 I47 G48 G49 I50 V82
Binding residue
(residue number reindexed from 1)		D25 G27 I47 G48 G49 I50 V82
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=8.55,Ki=2.8nM
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:1hos, PDBe:1hos, PDBj:1hos
PDBsum1hos
PubMed8347601
UniProtP03366|POL_HV1B1 Gag-Pol polyprotein (Gene Name=gag-pol)

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