SMTL ID : 7nzh.1

Crystal structure of HLA-DR4 in complex with a citrullinated cilp peptide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.83 Å

Oligo State

hetero-2-2-2-mer

Ligands

3 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 2 residues within 4Å: Chain A: N.77 Chain D: D.42 No protein-ligand interaction detected (PLIP) NAG-NAG.2: 2 residues within 4Å: Chain B: N.18, E.21 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:E.21 NAG-NAG.3: 7 residues within 4Å: Chain C: V.115, V.116, N.117, E.165, H.166, W.167 Chain D: D.1 No protein-ligand interaction detected (PLIP)

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

NAG.4: 6 residues within 4Å: Chain A: V.115, V.116, N.117, E.165, H.166, W.167 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:W.167 Hydrogen bonds: A:N.117, A:N.117, A:E.165, A:W.167

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ge, C. et al., Key interactions in the trimolecular complex consisting of the rheumatoid arthritis-associated DRB1*04:01 molecule, the major glycosylated collagen II peptide and the T-cell receptor. Ann Rheum Dis (2022)

Release Date

2022-05-11

Peptides

HLA class II histocompatibility antigen, DR alpha chain: AC
HLA class II histocompatibility antigen, DR beta chain: BD
citrullinated cartilage intermediate layer protein (CILP) peptide 982-996: EF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
AAA

C
CCC

B
BBB

D
DDD

E
EEE

F
FFF

HLA class II histocompatibility antigen, DR alpha chain

HLA class II histocompatibility antigen, DR beta chain

citrullinated cartilage intermediate layer protein (CILP) peptide 982-996

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