Structure of PDB 1bl3 Chain B Binding Site BS01

Receptor Information
>1bl3 Chain B (length=143) Species: 11676 (Human immunodeficiency virus 1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SPGIWQLDCTHLEGKVILVAVHVASGYIEAEVIPAETGQETAYFLLKLAG
RWPVKTVHTDNGSNFTSTTVKAACWWAGIKQEFVIESMNKELKKIIGQVR
DQAEHLKTAVQMAVFIHNHKRKGGIGGYSAGERIVDIIATDIQ
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain1bl3 Chain B Residue 503 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1bl3 Crystal structures of the catalytic domain of HIV-1 integrase free and complexed with its metal cofactor: high level of similarity of the active site with other viral integrases.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		D64 C65
Binding residue
(residue number reindexed from 1)		D8 C9
Annotation score1
Enzymatic activity
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:0003676 nucleic acid binding
Biological Process
GO:0015074 DNA integration

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Molecular Function
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Biological Process
External links
PDB RCSB:1bl3, PDBe:1bl3, PDBj:1bl3
PDBsum1bl3
PubMed9735293
UniProtP12497|POL_HV1N5 Gag-Pol polyprotein (Gene Name=gag-pol)

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