4ACP

Deactivation of human IgG1 Fc by endoglycosidase treatment

• PDB DOI: https://doi.org/10.2210/pdb4ACP/pdb

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


• Deposited: 2011-12-16 Released: 2012-04-25 
• Deposition Author(s): Raman, K., Bowden, T.A., Krishna, B.A., Dwek, R.A., Crispin, M., Scanlan, C.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.49 Å
• R-Value Free: 0.234 
• R-Value Work: 0.195 
• R-Value Observed: 0.197 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 54.25 kDa 
• Atom Count: 3,291 
• Modelled Residue Count: 406 
• Deposited Residue Count: 480 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
IG GAMMA-1 CHAIN C REGION	A, B	240	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P01857 (Homo sapiens) Explore P01857  Go to UniProtKB:  P01857
PHAROS:  P01857 GTEx:  ENSG00000211896

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.49 Å
• R-Value Free: 0.234 
• R-Value Work: 0.195 
• R-Value Observed: 0.197 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.29	α = 90
b = 110.857	β = 107.92
c = 77.508	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-04-25 
Deposition Author(s): Raman, K., Bowden, T.A., Krishna, B.A., Dwek, R.A., Crispin, M., Scanlan, C.N.

Revision History  

• Version 1.0: 2012-04-25
  Type: Initial release
  
• Version 1.1: 2012-06-13
  Changes: Other
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Other, Structure summary
• Version 1.3: 2023-12-20
  Changes: Data collection, Database references, Refinement description, Structure summary