Structure of PDB 4fl8 Chain B

Receptor sequence

>4fl8B (length=99) Species: 11676 (Human immunodeficiency virus 1)

PQITLWKRPLVTIKIGGQLKEALLDTGADDTVIEEMSLPGRWKPKMIGGI
GGFIKVRQYDQIIIEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNF

3D structure

• PDB: 4fl8 Capturing the Reaction Pathway in Near-Atomic-Resolution Crystal Structures of HIV-1 Protease.
• Chain: B
• Resolution: 1.2 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	peptide	B	D25 G27 A28 D29 D30 I47 G48 I50	D25 G27 A28 D29 D30 I47 G48 I50
BS02	peptide	B	D25 G27 A28 D29 D30 K45 I47 G48	D25 G27 A28 D29 D30 K45 I47 G48

Gene Ontology

Molecular Function

• GO:0004190 aspartic-type endopeptidase activity

Biological Process

• GO:0006508 proteolysis

External links

• PDB: RCSB:4fl8, PDBe:4fl8, PDBj:4fl8
• PDBsum: 4fl8
• PubMed: 22963370
• UniProt: P03367|POL_HV1BR Gag-Pol polyprotein (Gene Name=gag-pol)