4HVP image
Deposition Date 1989-08-08
Release Date 1990-04-15
Last Version Date 2025-03-26
Entry Detail
PDB ID:
4HVP
Title:
Structure of complex of synthetic HIV-1 protease with a substrate-based inhibitor at 2.3 Angstroms resolution
Biological Source:
Source Organism:
Host Organism:
Method Details:
Experimental Method:
Resolution:
2.30 Å
R-Value Observed:
0.17
Space Group:
P 21 21 21
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:HIV-1 PROTEASE
Gene (Uniprot):gag-pol
Chain IDs:A, B
Chain Length:99
Number of Molecules:2
Biological Source:Human immunodeficiency virus 1
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
ABA A ALA ALPHA-AMINOBUTYRIC ACID
Ligand Molecules
Peptide-like Molecules
PRD_000398
Primary Citation

Abstact

The structure of a complex between a peptide inhibitor with the sequence N-acetyl-Thr-Ile-Nle-psi[CH2-NH]-Nle-Gln-Arg.amide (Nle, norleucine) with chemically synthesized HIV-1 (human immunodeficiency virus 1) protease was determined at 2.3 A resolution (R factor of 0.176). Despite the symmetric nature of the unliganded enzyme, the asymmetric inhibitor lies in a single orientation and makes extensive interactions at the interface between the two subunits of the homodimeric protein. Compared with the unliganded enzyme, the protein molecule underwent substantial changes, particularly in an extended region corresponding to the "flaps" (residues 35 to 57 in each chain), where backbone movements as large as 7 A are observed.

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Protein

Chemical

Disease

Primary Citation of related structures