1T89

CRYSTAL STRUCTURE OF A HUMAN TYPE III FC GAMMA RECEPTOR IN COMPLEX WITH AN FC FRAGMENT OF IGG1 (HEXAGONAL)

• PDB DOI: https://doi.org/10.2210/pdb1T89/pdb
• Entry: 1T89 supersedes: 1IIX

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2004-05-11 Released: 2004-09-14 
• Deposition Author(s): Radaev, S., Motyka, S., Fridman, W.-H., Sautes-Fridman, C., Sun, P.D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.50 Å
• R-Value Free: 0.309 
• R-Value Work: 0.247 

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.

Macromolecule Content

• Total Structure Weight: 73.52 kDa 
• Atom Count: 4,919 
• Modelled Residue Count: 590 
• Deposited Residue Count: 624 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
recombinant IgG1 heavy chain	A, B	224	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

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Low affinity immunoglobulin gamma Fc region receptor III-B	C	176	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O75015 (Homo sapiens) Explore O75015  Go to UniProtKB:  O75015
PHAROS:  O75015 GTEx:  ENSG00000162747

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[beta-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	D	8		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G71516NY GlyCosmos:  G71516NY GlyGen:  G71516NY

Entity ID: 4
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-alpha-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	E	8		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G01257PC GlyCosmos:  G01257PC GlyGen:  G01257PC

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.50 Å
• R-Value Free: 0.309 
• R-Value Work: 0.247 
• Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 114.984	α = 90
b = 114.984	β = 90
c = 301.4	γ = 120

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-09-14 
Deposition Author(s): Radaev, S., Motyka, S., Fridman, W.-H., Sautes-Fridman, C., Sun, P.D.
• This entry supersedes: 1IIX

Revision History  

• Version 1.0: 2004-09-14
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-08-23
  Changes: Advisory, Data collection, Database references, Refinement description, Structure summary