4LCI

Anti canine CD28 antibody, 1C6

• PDB DOI: https://doi.org/10.2210/pdb4LCI/pdb

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


• Deposited: 2013-06-21 Released: 2014-06-25 
• Deposition Author(s): Gewe, M.M., Rupert, P.B., Strong, R.K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.230 
• R-Value Work: 0.179 
• R-Value Observed: 0.182 

Starting Model: experimental

Literature

Anti canine CD28 antibody, 1C6

Gewe, M.M., Rupert, P.B., Strong, R.K.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 26.94 kDa 
• Atom Count: 2,045 
• Modelled Residue Count: 237 
• Deposited Residue Count: 237 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
anti canine CD28 antibody, 1C6, light chain	A [auth L]	117	Mus musculus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
anti canine CD28 antibody, 1C6, heavy chain	B [auth H]	120	Mus musculus	Mutation(s): 0

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth L], G [auth H]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
FMT	E [auth L], F [auth L], H, I [auth H]	FORMIC ACID C H2 O2 BDAGIHXWWSANSR-UHFFFAOYSA-N
NA	D [auth L]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.230 
• R-Value Work: 0.179 
• R-Value Observed: 0.182 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.599	α = 90
b = 71.621	β = 90
c = 73.234	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-06-25 
Deposition Author(s): Gewe, M.M., Rupert, P.B., Strong, R.K.

Revision History  

• Version 1.0: 2014-06-25
  Type: Initial release
  
• Version 1.1: 2014-08-13
  Changes: Source and taxonomy
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description