SMTL ID : 1n2r.1

A natural selected dimorphism in HLA B*44 alters self, peptide reportoire and T cell recognition.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

hetero-1-1-mer

Ligands

1 x GLU- GLU- PHE- GLY- ARG- ALA- PHE- SER- PHE: HLA DPA*0201 PEPTIDE(Non-covalent)

GLU-GLU-PHE-GLY-ARG-ALA-PHE-SER-PHE.1: 30 residues within 4Å: Chain A: M.5, Y.7, Y.9, T.24, K.45, Y.59, R.62, E.63, I.66, S.67, N.70, T.73, E.76, N.77, T.80, Y.84, I.95, Y.99, Y.123, T.143, K.146, W.147, V.152, Q.155, L.156, Y.159, L.163, S.167, R.170, Y.171 32 PLIP interactions: 32 interactions with chain A Hydrophobic interactions: A:Y.7, A:Y.59, A:I.95, A:Y.99, A:Y.123, A:V.152, A:V.152, A:L.156, A:Y.159, A:Y.159 Hydrogen bonds: A:Y.7, A:E.63, A:E.76, A:Y.99, A:Y.99, A:Y.99, A:T.143, A:Q.155, A:Y.159, A:S.167, A:Y.171 Water bridges: A:T.24, A:T.24, A:R.62, A:N.70, A:E.76, A:R.97, A:R.97 Salt bridges: A:K.45, A:R.62, A:K.146, A:R.170

2 x ACY: ACETIC ACID(Non-functional Binders)

ACY.2: 6 residues within 4Å: Chain A: Y.74, R.97, D.114, D.116, W.147, L.156 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:W.147, A:L.156 Water bridges: A:Y.74, A:Y.74, A:R.97, A:D.116 Salt bridges: A:R.97 ACY.3: 2 residues within 4Å: Chain A: L.230, K.243 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:L.230 Water bridges: A:T.233, A:K.243 Salt bridges: A:K.243

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Macdonald, W.A. et al., A naturally selected dimorphism within the HLA-B44 supertype alters class I structure, peptide repertoire, and T cell recognition. J.Exp.Med. (2003)

Release Date

2004-03-16

Peptides

HLA class I histocompatibility antigen, BW-44(B-12) B*4403 alpha chain: A
Beta-2-microglobulin: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

HLA class I histocompatibility antigen, BW-44(B-12) B*4403 alpha chain

Beta-2-microglobulin

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