2Q3A | pdb_00002q3a

Crystal Structure of Rhesus Macaque CD8 Alpha-Alpha Homodimer

• PDB DOI: https://doi.org/10.2210/pdb2Q3A/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Macaca mulatta
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2007-05-30 Released: 2008-06-17 
• Deposition Author(s): Peng, H., Chen, Y., Zong, L., Gao, F., Liu, Y., Gao, G.F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.257 (Depositor), 0.237 (DCC) 
• R-Value Work: 
  0.213 (Depositor), 0.237 (DCC) 

Starting Model: experimental

Literature

Crystal Structure of Rhesus Macaque CD8 Homodimer Sheds the Lights on the Molecular Basis of Rhesus Macaque MHC class I with CD8 Complex

Zong, L., Chen, Y., Peng, H., Cole, D.K., Gao, F., Liu, Y., Gao, G.F.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 27.17 kDa 
• Atom Count: 1,984 
• Modeled Residue Count: 231 
• Deposited Residue Count: 240 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CD8	A, B	120	Macaca mulatta	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.257 (Depositor), 0.237 (DCC) 
• R-Value Work:  0.213 (Depositor), 0.237 (DCC) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.543	α = 90
b = 56.259	β = 90
c = 82.314	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data collection
PHASES	phasing
CNS	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-06-17 
Deposition Author(s): Peng, H., Chen, Y., Zong, L., Gao, F., Liu, Y., Gao, G.F.

Revision History  

• Version 1.0: 2008-06-17
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-08-30
  Changes: Data collection, Database references, Refinement description
• Version 1.3: 2024-10-30
  Changes: Structure summary