Biological Assembly 1  

 3D View: Structure | Electron Density

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Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - ABC 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 72713.52 
• Atom Count: 4937 
• Residue Count: 644 
• Unique protein chains: 4

4MXQ

42F3 TCR pCPC5/H-2Ld Complex

• DOI: 10.2210/pdb4MXQ/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Mus musculus, Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): 7 


• Deposited: 2013-09-26 Released: 2015-08-19 
• Deposition Author(s): Birnbaum, M.E., Adams, J.J., Garcia, K.C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.596 Å
• R-Value Free: 0.240 
• R-Value Work: 0.211 

Literature

Structural interplay between germline interactions and adaptive recognition determines the bandwidth of TCR-peptide-MHC cross-reactivity.

Adams, J.J., Narayanan, S., Birnbaum, M.E., Sidhu, S.S., Blevins, S.J., Gee, M.H., Sibener, L.V., Baker, B.M., Kranz, D.M., Garcia, K.C.

(2016) Nat. Immunol. 17: 87-94

• PubMed: 26523866 
• Primary Citation of Related Structures:  
  4N5E, 4N0C, 4MVB, 4MS8

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
42F3 alpha VmVh chimera	C	212	Mus musculus, Homo sapiens This entity is chimeric	Mutation(s): 0  Gene Names: Traj58, TRAC (TCRA)
Find proteins for P01738 (Mus musculus) Go to UniProtKB:  P01738
Find proteins for A0A0G2JFA3 (Mus musculus) Go to UniProtKB:  A0A0G2JFA3
Find proteins for P01848 (Homo sapiens) Go to UniProtKB:  P01848

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details
42F3 beta VmVh chimera	D	243	Homo sapiens, Mus musculus This entity is chimeric	Mutation(s): 0  Gene Names: TRBC2 (TCRBC2), Trbv13-1, Trbj2-2
Find proteins for A0A5B9 (Homo sapiens) Go to UniProtKB:  A0A5B9
Find proteins for A0A075B5I3 (Mus musculus) Go to UniProtKB:  A0A075B5I3
Find proteins for A0A0A6YX08 (Mus musculus) Go to UniProtKB:  A0A0A6YX08

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details
H-2 class I histocompatibility antigen, L-D alpha chain	A	180	Mus musculus	Mutation(s): 7  Gene Names: H2-L
Find proteins for P01897 (Mus musculus) Go to UniProtKB:  P01897

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details
pCPC5	B	9	N/A	Mutation(s): 0
Protein Feature View is not available: No corresponding UniProt sequence found.

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.596 Å
• R-Value Free: 0.240 
• R-Value Work: 0.211 
• Space Group: P 6₁ 2 2

Unit Cell:

Length (Å)	Angle (°)
a = 102.719	α = 90.00
b = 102.719	β = 90.00
c = 322.944	γ = 120.00

Software Package:

Software Name	Purpose
SCALA	data scaling
MOSFLM	data reduction
PHASER	phasing
Blu-Ice	data collection
PHENIX	refinement

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2013-09-26 
• Released Date: 2015-08-19 
• Deposition Author(s): Birnbaum, M.E., Adams, J.J., Garcia, K.C.

Revision History 

• Version 1.0: 2015-08-19
  Type: Initial release
• Version 1.1: 2018-09-26
  Type: Data collection, Database references