Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 1 generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 70.03 kDa 
• Atom Count: 4,914 
• Modelled Residue Count: 639 
• Deposited Residue Count: 639 
• Unique protein chains: 3

 1E6J

Crystal structure of HIV-1 capsid protein (p24) in complex with Fab13B5

• PDB DOI: 10.2210/pdb1E6J/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Mus musculus, HIV-1 M:B_HXB2R
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2000-08-18 Released: 2000-11-27 
• Deposition Author(s): Berthet-Colominas, C., Monaco, S., Novelli, A., Sibai, G., Mallet, F., Cusack, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.284 
• R-Value Work: 0.210 
• R-Value Observed: 0.210 

Literature

Mutual Conformational Adaptations in Antigen and Antibody Upon Complex Formation between an Fab and HIV-1 Capsid Protein P24

Monaco-Malbet, S., Berthet-Colominas, C., Novelli, A., Battai, N., Piga, N., Cheynet, V., Mallet, F., Cusack, S.

(2000) Structure 8: 1069

• PubMed: 11080628 
• DOI: 10.1016/s0969-2126(00)00507-4
• Primary Citation of Related Structures:  
  1E6J, 1E6O


• PubMed Abstract: 
  

Elucidating the structural basis of antigen-antibody recognition ideally requires a structural comparison of free and complexed components. To this end we have studied a mouse monoclonal antibody, denoted 13B5, raised against p24, the capsid protein of HIV-1. We have previously described the first crystal structure of intact p24 as visualized in the Fab13B5-p24 complex. Here we report the structure of the uncomplexed Fab13B5 at 1.8 A resolution and analyze the Fab-p24 interface and the conformational changes occurring upon complex formation.

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Related Citations: 

• Head-to-Tail Dimers and Interdomain Flexibility Revealed by the Crystal Structure of HIV-1 Capsid Protein (P24) Complexed with a Monoclonal Antibody Fab
  Berthet-Colominas, C., Monaco, S., Novelli, A., Sibai, G., Mallet, F., Cusack, S.
  (1999) EMBO J 18: 1124

• Overexpression of HIV-1 Proteins in E. Coli by a Modified Expression Vector and Their One-Step Purification
  Cheynet, V., Verrier, B., Mallet, F.
  (1993) Protein Expr Purif 4: 367

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Organizational Affiliation: 

European Molecular Laboratory Biology Grenoble Outstation B.P. 156X F-38042 Cedex 9, Grenoble, France.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
IMMUNOGLOBULIN	A [auth H]	219	Mus musculus	Mutation(s): 0  Gene Names: Igh
UniProt
Find proteins for Q99LC4 (Mus musculus) Explore Q99LC4  Go to UniProtKB:  Q99LC4

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
IMMUNOGLOBULIN	B [auth L]	210	Mus musculus	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
CAPSID PROTEIN P24	C [auth P]	210	HIV-1 M:B_HXB2R	Mutation(s): 0
UniProt
Find proteins for H9A150 (Human immunodeficiency virus 1) Explore H9A150  Go to UniProtKB:  H9A150

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.284 
• R-Value Work: 0.210 
• R-Value Observed: 0.210 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 193.08	α = 90
b = 45.6	β = 132.41
c = 132.47	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	refinement
MOSFLM	data reduction
CCP4	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2000-11-27 
Deposition Author(s): Berthet-Colominas, C., Monaco, S., Novelli, A., Sibai, G., Mallet, F., Cusack, S.

Revision History  

• Version 1.0: 2000-11-27
  Type: Initial release
  
• Version 1.1: 2014-03-12
  Changes: Database references, Derived calculations, Other, Source and taxonomy, Structure summary, Version format compliance
• Version 1.2: 2019-05-08
  Changes: Advisory, Data collection, Experimental preparation, Other
• Version 1.3: 2019-05-15
  Changes: Data collection, Experimental preparation