7URU

Crystal structure of the low affinity Fc gamma receptor IIIA variant in complex with the Fc of IgG1.

• PDB DOI: https://doi.org/10.2210/pdb7URU/pdb

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


• Deposited: 2022-04-22 Released: 2023-04-26 
• Deposition Author(s): Tolbert, W.D., Pazgier, M.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.262 
• R-Value Work: 0.215 
• R-Value Observed: 0.218 

Starting Model: experimental

Literature

Crystal structure of the low affinity Fc gamma receptor IIIA variant in complex with the Fc of IgG1.

Tolbert, W.D., Pazgier, M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A2B1 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 73.83 kDa 
• Atom Count: 5,018 
• Modelled Residue Count: 596 
• Deposited Residue Count: 623 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Immunoglobulin gamma-1 heavy chain	A, B	223	Homo sapiens	Mutation(s): 0
UniProt
Find proteins for P0DOX5 (Homo sapiens) Explore P0DOX5  Go to UniProtKB:  P0DOX5
Glycosylation
Glycosylation Sites: 1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Low affinity immunoglobulin gamma Fc region receptor III-A	C	177	Homo sapiens	Mutation(s): 0  Gene Names: FCGR3A, CD16A, FCG3, FCGR3, IGFR3
UniProt & NIH Common Fund Data Resources
Find proteins for P08637 (Homo sapiens) Explore P08637  Go to UniProtKB:  P08637
PHAROS:  P08637 GTEx:  ENSG00000203747
Glycosylation
Glycosylation Sites: 2		Go to GlyGen: P08637-1

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	D, E	8		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G80858MF GlyCosmos:  G80858MF GlyGen:  G80858MF

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.262 
• R-Value Work: 0.215 
• R-Value Observed: 0.218 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.983	α = 90
b = 100.75	β = 90
c = 124.916	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-04-26 
Deposition Author(s): Tolbert, W.D., Pazgier, M.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	P01AI162242

Revision History  

• Version 1.0: 2023-04-26
  Type: Initial release
  
• Version 1.1: 2023-10-25
  Changes: Data collection, Refinement description
• Version 1.2: 2024-10-23
  Changes: Structure summary