1OQO

Complex between G0 version of an Fc bound to a minimized version of Protein A called Mini-Z

• PDB DOI: https://doi.org/10.2210/pdb1OQO/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens, synthetic construct
• Expression System: Cricetulus griseus
• Mutation(s): No 


• Deposited: 2003-03-10 Released: 2003-03-20 
• Deposition Author(s): Raju, T.S., Mulkerrin, M.G., Parker, M., De Vos, A.M., Gazzano-Santoro, H., Totpal, K., Ultsch, M.H.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.286 
• R-Value Work: 0.216 
• R-Value Observed: 0.216 

Starting Model: experimental

Literature

Impact of Fc Glycans on The Effector Functions Vary with the Antibody mechanism of Action

Raju, T.S., Mulkerrin, M.G., Parker, M., De Vos, A.M., Gazzano-Santoro, H., Totpal, K., Ultsch, M.H.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

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

Macromolecule Content

• Total Structure Weight: 59.26 kDa 
• Atom Count: 4,246 
• Modelled Residue Count: 484 
• Deposited Residue Count: 492 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
immunoglobulin gamma-1 heavy chain constant region	A, C [auth B]	212	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
Glycosylation
Glycosylation Sites: 1		Go to GlyGen: P01857-2

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Minimized version of Protein A (Z34C)	B [auth C], D	34	synthetic construct	Mutation(s): 0

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)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	E	8		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G59451NL GlyCosmos:  G59451NL GlyGen:  G59451NL

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-alpha-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	F	8		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G50842MS GlyCosmos:  G50842MS GlyGen:  G50842MS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.286 
• R-Value Work: 0.216 
• R-Value Observed: 0.216 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.782	α = 90
b = 126.413	β = 90
c = 54.743	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-03-20 
Deposition Author(s): Raju, T.S., Mulkerrin, M.G., Parker, M., De Vos, A.M., Gazzano-Santoro, H., Totpal, K., Ultsch, M.H.

Revision History  

• Version 1.0: 2003-03-20
  Type: Initial release
  
• Version 1.1: 2008-04-29
  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 3.0: 2020-12-16
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Source and taxonomy, Structure summary
• Version 3.1: 2023-08-16
  Changes: Data collection, Database references, Refinement description
• Version 3.2: 2024-10-30
  Changes: Structure summary