1NAK image
Deposition Date 2002-11-27
Release Date 2003-11-18
Last Version Date 2024-10-30
Entry Detail
PDB ID:
1NAK
Keywords:
IMMUNE SYSTEM
Title:
IGG1 FAB FRAGMENT (83.1) COMPLEX WITH 16-RESIDUE PEPTIDE (RESIDUES 304-321 OF HIV-1 GP120 (MN ISOLATE))
Biological Source:
Source Organism:
(Taxon ID: )Mus musculus (Taxon ID: 10090)
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
2.57 Å
R-Value Free:
0.32
R-Value Work:
0.28
Space Group:
P 1 21 1
1NAK validation report
Macromolecular Entities
Polymer Type:polypeptide(L)
Molecule:Fab 83.1 - heavy chain
Chain IDs:B (auth: H), E (auth: I)
Chain Length:214
Number of Molecules:2
Biological Source:Mus musculus
Polymer Type:polypeptide(L)
Molecule:Fab 83.1 - light chain
Chain IDs:A (auth: L), D (auth: M)
Chain Length:219
Number of Molecules:2
Biological Source:Mus musculus
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Peptide MP1
Chain IDs:C (auth: P), F (auth: Q)
Chain Length:16
Number of Molecules:2
Biological Source:
UniProt ID:P05877
Primary Citation
Recurring conformation of the human immunodeficiency virus type 1 gp120 V3 loop.
Virology 315 159 173 (2003)
PMID: 14592768 DOI: 10.1016/S0042-6822(03)00525-7

Abstact

The crystal structure of the human immunodeficiency virus type 1 (HIV-1) neutralizing, murine Fab 83.1 in complex with an HIV-1 gp120 V3 peptide has been determined to 2.57 A resolution. The conformation of the V3 loop peptide in complex with Fab 83.1 is very similar to V3 conformations seen previously with two other neutralizing Fabs, 50.1 and 59.1. The repeated identification of this same V3 conformation in complex with three very different, neutralizing antibodies indicates that it is a highly preferred structure for V3 loops on some strains of the HIV-1 virus.

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Primary Citation of related structures
1NAK