Structure of PDB 3st5 Chain B

Receptor sequence

>3st5B (length=99) Species: 11686 (Human immunodeficiency virus type 1 (BRU ISOLATE))

PQITLWKRPLVTIKIGGQLKEALLDTGADDTVIEEMSLPGRWKPKMIGGI
GGFIKVRQYDQIIIEIAGHKAIGTVLVGPTPVNIIGRNLLTQIGATLNF

3D structure

• PDB: 3st5 Design of HIV-1 Protease Inhibitors with C3-Substituted Hexahydrocyclopentafuranyl Urethanes as P2-Ligands: Synthesis, Biological Evaluation, and Protein-Ligand X-ray Crystal Structure.
• Chain: B
• Resolution: 1.45 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	G89	B	D25 G27 A28 D29 G48 G49 I50	D25 G27 A28 D29 G48 G49 I50	MOAD: Ki=5pM PDBbind-CN: -logKd/Ki=11.30,Ki=5pM

Gene Ontology

Molecular Function

• GO:0004190 aspartic-type endopeptidase activity

Biological Process

• GO:0006508 proteolysis

External links

• PDB: RCSB:3st5, PDBe:3st5, PDBj:3st5
• PDBsum: 3st5
• PubMed: 21800876
• UniProt: P03367|POL_HV1BR Gag-Pol polyprotein (Gene Name=gag-pol)