8JR4

Molecular structure of bat MHC II at 2.4 A resolution

• PDB DOI: https://doi.org/10.2210/pdb8JR4/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Eptesicus fuscus, Gallus gallus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-06-16 Released: 2024-06-05 
• Deposition Author(s): Wang, S.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.263 
• R-Value Work: 0.212 
• R-Value Observed: 0.215 

Starting Model: experimental

Literature

Molecular structure of bat MHC II at 2.4 A resolution

Wang, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 44.73 kDa 
• Atom Count: 3,032 
• Modelled Residue Count: 368 
• Deposited Residue Count: 385 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HLA class II histocompatibility antigen, DR alpha chain	A	182	Eptesicus fuscus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
MHC class II histocompatibility antigen, DR-1 beta chain	B	190	Eptesicus fuscus	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
SER-PHE-ILE-ILE-ARG-SER-MET-PRO-GLU-GLN-THR-SER-SER	C [auth E]	13	Gallus gallus	Mutation(s): 0
UniProt
Find proteins for P67883 (Gallus gallus) Explore P67883  Go to UniProtKB:  P67883

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.263 
• R-Value Work: 0.212 
• R-Value Observed: 0.215 
• Space Group: P 4₂ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.16	α = 90
b = 92.16	β = 90
c = 107.365	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-3000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-05 
Deposition Author(s): Wang, S.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2024-06-05
  Type: Initial release