4KKN | pdb_00004kkn

Crystal structure of bovine CTLA-4, PSI-NYSGRC-012704

• PDB DOI: https://doi.org/10.2210/pdb4KKN/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Bos taurus
• Expression System: Trichoplusia ni
• Mutation(s): No 


• Deposited: 2013-05-06 Released: 2013-06-12 
• Deposition Author(s): Kumar, P.R., Ahmed, M., Banu, R., Bhosle, R., Bonanno, J., Calarese, D.A., Celikgil, A., Chamala, S., Chan, M.K., Chowdhury, S., Fiser, A., Garforth, S.J., Scott Glenn, A., Hammonds, J., Hillerich, B., Khafizov, K., Lafleur, J., Attonito, J., Love, J.D., Patel, H., Patel, R., Seidel, R.D., Smith, B., Stead, M., Toro, R., Casadevall, A., Almo, S.C., New York Structural Genomics Research Consortium (NYSGRC), Atoms-to-Animals: The Immune Function Network (IFN)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 
  0.241 (Depositor), 0.243 (DCC) 
• R-Value Work: 
  0.190 (Depositor), 0.192 (DCC) 
• R-Value Observed: 
  0.192 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of bovine CTLA-4, PSI-NYSGRC-012704

Kumar, P.R., Casadevall, A., Almo, S.C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 15.19 kDa 
• Atom Count: 969 
• Modeled Residue Count: 117 
• Deposited Residue Count: 133 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytotoxic T-lymphocyte associated protein 4	A	133	Bos taurus	Mutation(s): 0  Gene Names: CTLA-4, CTLA4
UniProt
Find proteins for Q28090 (Bos taurus) Explore Q28090  Go to UniProtKB:  Q28090
Glycosylation
Glycosylation Sites: 1

Oligosaccharides

Help  

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	4		N-Glycosylation
Glycosylation Resources
GlyTouCan: G81315DD GlyCosmos: G81315DD GlyGen: G81315DD

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free:  0.241 (Depositor), 0.243 (DCC) 
• R-Value Work:  0.190 (Depositor), 0.192 (DCC) 
• R-Value Observed: 0.192 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.875	α = 90
b = 87.831	β = 90
c = 52.25	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
CBASS	data collection
DENZO	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-06-12 
Deposition Author(s): Kumar, P.R., Ahmed, M., Banu, R., Bhosle, R., Bonanno, J., Calarese, D.A., Celikgil, A., Chamala, S., Chan, M.K., Chowdhury, S., Fiser, A., Garforth, S.J., Scott Glenn, A., Hammonds, J., Hillerich, B., Khafizov, K., Lafleur, J., Attonito, J., Love, J.D., Patel, H., Patel, R., Seidel, R.D., Smith, B., Stead, M., Toro, R., Casadevall, A., Almo, S.C., New York Structural Genomics Research Consortium (NYSGRC), Atoms-to-Animals: The Immune Function Network (IFN)

Revision History  

• Version 1.0: 2013-06-12
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Structure summary
• Version 2.1: 2023-09-20
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 2.2: 2024-10-16
  Changes: Structure summary