SMTL ID : 7sg1.2 (1 other biounit)

XPA5 TCR in complex with HLA-DQ2-alpha1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.10 Å

Oligo State

hetero-1-1-1-1-1-mer

Ligands

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.1: 6 residues within 4Å: Chain A: Y.19, V.118, N.120, E.168, H.169, W.170 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.19, A:Y.19, A:N.120

2 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.2: 4 residues within 4Å: Chain A: L.110, D.112, F.148 Chain B: R.159 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:D.112, B:R.159 EDO.3: 3 residues within 4Å: Chain A: C.47, E.136, T.137 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ciacchi, L. et al., Structural basis of T cell receptor specificity and cross-reactivity of two HLA-DQ2.5-restricted gluten epitopes in celiac disease. J.Biol.Chem. (2022)

Release Date

2022-02-23

Peptides

HLA class II histocompatibility antigen, DQ alpha 1 chain: A
MHC class II HLA-DQ-beta-1: B
DQ2-glia-alpha1a peptide: C
T-cell receptor, xpa5, alpha chain: D
T-cell receptor, xpa5, beta chain: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
F

B
G

C
H

D
I

E
J

HLA class II histocompatibility antigen, DQ alpha 1 chain

MHC class II HLA-DQ-beta-1

DQ2-glia-alpha1a peptide

T-cell receptor, xpa5, alpha chain

T-cell receptor, xpa5, beta chain

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