Structure of PDB 3ka2 Chain A Binding Site BS01

Receptor Information
>3ka2 Chain A (length=203) 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]
PQITLWKRPLVTIRIGGQLKEALLDTGADDTVIEELNLPGCWKPKLIGGI
AGFIKVRQYDQIPVEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNFC
GGGGPQITLWKRPLVTIRIGGQLKEALLDTGADDTVIEELNLPGCWKPKL
IGGIGGFIKVRQYDQIPVEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGAT
LNF
Ligand information
Ligand ID2NC
InChIInChI=1S/C35H67N11O8/c1-7-10-13-23(43-33(53)28(20(4)9-3)46-34(54)29(21(5)47)42-22(6)48)19-41-25(14-11-8-2)31(51)45-26(16-17-27(36)49)32(52)44-24(30(37)50)15-12-18-40-35(38)39/h20-21,23-26,28-29,41,47H,7-19H2,1-6H3,(H2,36,49)(H2,37,50)(H,42,48)(H,43,53)(H,44,52)(H,45,51)(H,46,54)(H4,38,39,40)/p+1/t20-,21+,23-,24-,25-,26-,28-,29-/m0/s1
InChIKeyMQPXOVRKKPPKFZ-QYKDHROSSA-O
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.5CCCCC(CNC(CCCC)C(=O)NC(CCC(=O)N)C(=O)NC(CCCNC(=[NH2+])N)C(=O)N)NC(=O)C(C(C)CC)NC(=O)C(C(C)O)NC(=O)C
CACTVS 3.385CCCC[CH](CN[CH](CCCC)C(=O)N[CH](CCC(N)=O)C(=O)N[CH](CCCNC(N)=[NH2+])C(N)=O)NC(=O)[CH](NC(=O)[CH](NC(C)=O)[CH](C)O)[CH](C)CC
ACDLabs 12.01O=C(NC(C(=O)NC(CCCC)CNC(C(=O)NC(C(=O)NC(C(=O)N)CCCNC(=[NH2+])\\N)CCC(=O)N)CCCC)C(C)CC)C(NC(=O)C)C(O)C
CACTVS 3.385CCCC[C@@H](CN[C@@H](CCCC)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=[NH2+])C(N)=O)NC(=O)[C@@H](NC(=O)[C@@H](NC(C)=O)[C@@H](C)O)[C@@H](C)CC
OpenEye OEToolkits 1.7.5CCCC[C@@H](CN[C@@H](CCCC)C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CCCNC(=[NH2+])N)C(=O)N)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@H]([C@@H](C)O)NC(=O)C
FormulaC35 H68 N11 O8
NameN-{(2S)-2-[(N-acetyl-L-threonyl-L-isoleucyl)amino]hexyl}-L-norleucyl-L-glutaminyl-N~5~-[amino(iminio)methyl]-L-ornithinamide;
p2/NC
ChEMBL
DrugBank
ZINC
PDB chain3ka2 Chain A Residue 204 [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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PDB3ka2 Protein conformational dynamics in the mechanism of HIV-1 protease catalysis.
Resolution1.4 Å
Binding residue
(original residue number in PDB)		G27 D29 G48 G49 I50 P81 V82 D129 G131 A132 D133 D134 I151 G152 I154 P185
Binding residue
(residue number reindexed from 1)		G27 D29 G48 G49 I50 P81 V82 D129 G131 A132 D133 D134 I151 G152 I154 P185
Annotation score1
Binding affinityMOAD: Kd=0.24uM
PDBbind-CN: -logKd/Ki=6.62,Kd=0.24uM
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:3ka2, PDBe:3ka2, PDBj:3ka2
PDBsum3ka2
PubMed22158985
UniProtP03369|POL_HV1A2 Gag-Pol polyprotein (Gene Name=gag-pol)

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