7XQU | pdb_00007xqu

The structure of FLA-E*00301/EM-FECV-10

PDB DOI: https://doi.org/10.2210/pdb7XQU/pdb

Classification: IMMUNE SYSTEM
Organism(s): Felis catus, Feline coronavirus
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2022-05-08 Released: 2023-11-08
Deposition Author(s): Qiao, P.W., Yue, C., Peng, W.Y., Liu, K.F., Huo, S.T., Zhang, D., Chai, Y., Qi, J.X., Sun, Z.Y., Gao, G.F., Liu, W.J., Wu, G.Z.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.60 Å
R-Value Free:
0.276 (Depositor), 0.277 (DCC)
R-Value Work:
0.219 (Depositor), 0.220 (DCC)
R-Value Observed:
0.222 (Depositor)

Starting Model: other
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wwPDB Validation 3D Report Full Report

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This is version 1.1 of the entry. See complete history.

Literature

Analysis of the characteristics of feline major histocompatibility complex class I molecules cross-presenting coronavirus peptides

Qiao, P.W., Yue, C., Peng, W.Y., Liu, K.F., Huo, S.T., Zhang, D., Chai, Y., Qi, J.X., Sun, Z.Y., Gao, G.F., Liu, W.J., Wu, G.Z.

To be published.

Macromolecule Content

Total Structure Weight: 89.25 kDa
Atom Count: 6,357
Modeled Residue Count: 762
Deposited Residue Count: 764
Unique protein chains: 3

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MHC class I antigen	A, D	274	Felis catus	Mutation(s): 0 Gene Names: FLA-I
UniProt
Find proteins for Q95482 (Felis catus) Explore Q95482 Go to UniProtKB: Q95482
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q95482
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-2-microglobulin	B, E	99	Felis catus	Mutation(s): 0 Gene Names: B2M
UniProt
Find proteins for Q5MGS7 (Felis catus) Explore Q5MGS7 Go to UniProtKB: Q5MGS7
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q5MGS7
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
peptide from Nucleoprotein	C, F	9	Feline coronavirus	Mutation(s): 0
UniProt
Find proteins for P25909 (Feline coronavirus (strain FIPV WSU-79/1146)) Explore P25909 Go to UniProtKB: P25909
Entity Groups
UniProt Group	P25909
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.60 Å
R-Value Free: 0.276 (Depositor), 0.277 (DCC)
R-Value Work: 0.219 (Depositor), 0.220 (DCC)
R-Value Observed: 0.222 (Depositor)

Space Group: P 4 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 132.221	α = 90
b = 132.221	β = 90
c = 130.846	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHASER	phasing
Coot	model building

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2023-11-08

Deposition Author(s):

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

Revision History (Full details and data files)

Version 1.0: 2023-11-08
Type: Initial release
Version 1.1: 2024-11-20
Changes: Structure summary

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.