Structure of PDB 1hpv Chain B

Receptor sequence

>1hpvB (length=99) Species: 11676 (Human immunodeficiency virus 1)

PQITLWQRPLVTIKIGGQLKEALLDTGADDTVLEEMSLPGRWKPKMIGGI
GGFIKVRQYDQILIEICGHKAIGTVLVGPTPVNIIGRNLLTQIGCTLNF

3D structure

• PDB: 1hpv Crystal Structure of HIV-1 Protease in Complex with Vx-478, a Potent and Orally Bioavailable Inhibitor of the Enzyme
• Chain: B
• Resolution: 1.9 Å

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	478	B	D25 G27 A28 D30 P81 I84	D25 G27 A28 D30 P81 I84	MOAD: Ki=0.6nM PDBbind-CN: -logKd/Ki=9.22,Ki=0.60nM

Gene Ontology

Molecular Function

• GO:0004190 aspartic-type endopeptidase activity

Biological Process

• GO:0006508 proteolysis

External links

• PDB: RCSB:1hpv, PDBe:1hpv, PDBj:1hpv
• PDBsum: 1hpv
• UniProt: P04587|POL_HV1B5 Gag-Pol polyprotein (Gene Name=gag-pol)