Structure of PDB 1hxb Chain B Binding Site BS01

Receptor Information
>1hxb Chain B (length=99) Species: 11679 (Human immunodeficiency virus type 1 (CLONE 12)) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PQVTLWQRPLVTIKIGGQLKEALLDTGADDTVLEEMSLPGRWKPKMIGGI
GGFIKVRQYDQILIEICGHKAIGTVLVGPTPVNIIGRNLLTQIGCTLNF
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 chain1hxb 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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PDB1hxb Novel binding mode of highly potent HIV-proteinase inhibitors incorporating the (R)-hydroxyethylamine isostere.
Resolution2.3 Å
Binding residue
(original residue number in PDB)
R8 D25 G27 G49 I50 V82
Binding residue
(residue number reindexed from 1)
R8 D25 G27 G49 I50 V82
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=9.92,Ki=0.12nM
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:1hxb, PDBe:1hxb, PDBj:1hxb
PDBsum1hxb
PubMed1956054
UniProtP04585|POL_HV1H2 Gag-Pol polyprotein (Gene Name=gag-pol)

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