4P9M

Crystal structure of 8ANC195 Fab

• PDB DOI: https://doi.org/10.2210/pdb4P9M/pdb

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


• Deposited: 2014-04-04 Released: 2014-05-21 
• Deposition Author(s): Scharf, L., Bjorkman, P.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.13 Å
• R-Value Free: 0.239 
• R-Value Work: 0.211 
• R-Value Observed: 0.212 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 49.75 kDa 
• Atom Count: 3,439 
• Modelled Residue Count: 438 
• Deposited Residue Count: 459 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
8ANC195 light chain	A [auth L]	215	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
8ANC195 Fab heavy chain	B [auth H]	244	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	C [auth H]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.13 Å
• R-Value Free: 0.239 
• R-Value Work: 0.211 
• R-Value Observed: 0.212 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.482	α = 90
b = 66.482	β = 90
c = 219.034	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-05-21 
Deposition Author(s): Scharf, L., Bjorkman, P.J.

Revision History  

• Version 1.0: 2014-05-21
  Type: Initial release
  
• Version 1.1: 2014-06-04
  Changes: Data collection
• Version 1.2: 2014-12-24
  Changes: Database references
• Version 1.3: 2017-11-22
  Changes: Derived calculations, Refinement description, Source and taxonomy, Structure summary
• Version 1.4: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.5: 2023-09-27
  Changes: Data collection, Database references, Refinement description, Structure summary