4FZE | pdb_00004fze

Crystal structure of N26_i1 Fab, an ADCC mediating anti-HIV-1 antibody.

• PDB DOI: https://doi.org/10.2210/pdb4FZE/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2012-07-06 Released: 2013-07-10 
• Deposition Author(s): Tolbert, W.D., Wu, X., Pazgier, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.245 (Depositor), 0.248 (DCC) 
• R-Value Work: 
  0.186 (Depositor), 0.189 (DCC) 
• R-Value Observed: 
  0.191 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of N26_i1 Fab, an ADCC mediating anti-HIV-1 antibody.

Tolbert, W.D., Wu, X., Pazgier, M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 47.07 kDa 
• Atom Count: 3,461 
• Modeled Residue Count: 430 
• Deposited Residue Count: 444 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
N26_i1 Fab light chain	A [auth L]	212	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
N26_i1 Fab heavy chain	B [auth H]	232	Homo sapiens	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.245 (Depositor), 0.248 (DCC) 
• R-Value Work:  0.186 (Depositor), 0.189 (DCC) 
• R-Value Observed: 0.191 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 95.636	α = 90
b = 124.452	β = 97.4
c = 41.433	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHASER	phasing
CNS	refinement
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-07-10 
Deposition Author(s): Tolbert, W.D., Wu, X., Pazgier, M.

Revision History  

• Version 1.0: 2013-07-10
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2019-07-17
  Changes: Data collection, Refinement description
• Version 1.3: 2021-05-19
  Changes: Source and taxonomy
• Version 1.4: 2023-09-13
  Changes: Data collection, Database references, Refinement description
• Version 1.5: 2024-11-20
  Changes: Structure summary