5CAY image
Deposition Date 2015-06-30
Release Date 2015-12-09
Last Version Date 2024-10-09
Entry Detail
PDB ID:
5CAY
Keywords:
Viral Protein/immune System
Title:
Envelope glycoprotein gp120 core from HIV type 2 bound to the first two domains of human soluble CD4 receptor
Biological Source:
Source Organism:
Human immunodeficiency virus type 2 (ISOLATE ST) (Taxon ID: 11721)
Homo sapiens (Taxon ID: 9606)
Host Organism:
Homo sapiens
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
3.00 Å
R-Value Free:
0.28
R-Value Work:
0.23
R-Value Observed:
0.23
Space Group:
C 2 2 21
5CAY validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:T-cell surface glycoprotein CD4
Gene (Uniprot):CD4
Chain IDs:B
Chain Length:190
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P01730 Pfam ID:PF00047, PF05790
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Envelope glycoprotein gp120 core from ST strain of HIV-2
Mutagens:T72I
Chain IDs:A (auth: G)
Chain Length:345
Number of Molecules:1
Biological Source:Human immunodeficiency virus type 2 (ISOLATE ST)
UniProt ID:P20872 Pfam ID:PF00516
Ligand Molecules
NAG
Primary Citation
Structure of an HIV-2 gp120 in Complex with CD4.
J.Virol. 90 2112 2118 (2015)
PMID: 26608312 DOI: 10.1128/JVI.02678-15

Abstact

HIV-2 is a nonpandemic form of the virus causing AIDS, and the majority of HIV-2-infected patients exhibit long-term nonprogression. The HIV-1 and HIV-2 envelope glycoproteins, the sole targets of neutralizing antibodies, share 30 to 40% identity. As a first step in understanding the reduced pathogenicity of HIV-2, we solved a 3.0-Å structure of an HIV-2 gp120 bound to the host receptor CD4, which reveals structural similarity to HIV-1 gp120 despite divergence in amino acid sequence.

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Primary Citation of related structures
5CAY