SMTL ID : 1k8d.1

crystal structure of the non-classical MHC class Ib Qa-2 complexed with a self peptide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

hetero-1-1-mer

Ligands

1 x ILE- LEU- MET- GLU- HIS- ILE- HIS- LYS- LEU: 60S RIBOSOMAL PROTEIN(Non-covalent)

ILE-LEU-MET-GLU-HIS-ILE-HIS-LYS-LEU.1: 28 residues within 4Å: Chain A: Y.7, H.9, Y.59, R.62, E.63, I.66, A.67, H.70, S.73, S.77, T.80, A.81, Y.84, W.97, Y.99, L.114, F.116, Y.123, T.143, K.146, W.147, I.152, K.155, D.156, Y.159, T.163, S.167, Y.171 26 PLIP interactions: 26 interactions with chain A Hydrophobic interactions: A:Y.7, A:Y.59, A:A.67, A:A.81, A:Y.99, A:F.116, A:Y.123, A:W.147, A:Y.159, A:T.163 Hydrogen bonds: A:Y.7, A:E.63, A:S.77, A:S.77, A:Y.84, A:Y.99, A:Y.99, A:T.143, A:S.167 Water bridges: A:Y.7, A:Y.7, A:S.73, A:W.147 Salt bridges: A:R.62, A:K.146 pi-Stacking: A:W.147

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

He, X. et al., Promiscuous antigen presentation by the nonclassical MHC Ib Qa-2 is enabled by a shallow, hydrophobic groove and self-stabilized peptide conformation. Structure (2001)

Release Date

2001-12-19

Peptides

QA-2 antigen: A
BETA-2-MICROGLOBULIN: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

QA-2 antigen

BETA-2-MICROGLOBULIN

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