Structure of PDB 1hxb Chain B

Receptor sequence
>1hxbB (length=99) Species: 11679 (Human immunodeficiency virus type 1 (CLONE 12)) [Search protein sequence]
PQVTLWQRPLVTIKIGGQLKEALLDTGADDTVLEEMSLPGRWKPKMIGGI
GGFIKVRQYDQILIEICGHKAIGTVLVGPTPVNIIGRNLLTQIGCTLNF
3D structure
PDB1hxb Novel binding mode of highly potent HIV-proteinase inhibitors incorporating the (R)-hydroxyethylamine isostere.
ChainB
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 ROC B R8 D25 G27 G49 I50 V82 R8 D25 G27 G49 I50 V82 PDBbind-CN: -logKd/Ki=9.92,Ki=0.12nM
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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