SMTL ID : 1zt1.1

crystal structure of class I MHC H-2Kk in complex with an octapeptide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-1-1-mer

Ligands

1 x PHE- GLU- ALA- ASN- GLY- ASN- LEU- ILE: Influenza virus epitope, FEANGNLI(Non-covalent)

PHE-GLU-ALA-ASN-GLY-ASN-LEU-ILE.1: 26 residues within 4Å: Chain A: Y.8, H.10, S.25, Y.46, Y.60, R.63, N.64, I.67, N.71, I.74, V.77, N.78, T.81, Y.85, F.96, R.98, Y.100, Y.117, Y.124, T.144, W.148, D.157, Y.160, T.164, W.168, Y.172 35 PLIP interactions: 35 interactions with chain A Hydrophobic interactions: A:Y.8, A:Y.60, A:I.67, A:I.74, A:V.77, A:N.78, A:F.96, A:Y.100, A:Y.124, A:W.148, A:Y.160, A:W.168, A:W.168 Hydrogen bonds: A:Y.8, A:S.25, A:N.64, A:N.71, A:N.71, A:N.78, A:N.78, A:Y.85, A:R.98, A:R.98, A:Y.100, A:Y.100, A:Y.100, A:Y.117, A:Y.117, A:T.144, A:D.157, A:Y.160, A:Y.172 Water bridges: A:T.81 Salt bridges: A:H.10, A:K.147

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 3 residues within 4Å: Chain A: L.220, T.226, Q.227 Ligand excluded by PLIP CL.3: 2 residues within 4Å: Chain A: P.21, R.76 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kellenberger, C. et al., The H-2Kk MHC peptide-binding groove anchors the backbone of an octameric antigenic peptide in an unprecedented mode. J Immunol. (2005)

Release Date

2005-10-18

Peptides

H-2 class I histocompatibility antigen, K-K alpha chain: A
Beta-2-microglobulin: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

H-2 class I histocompatibility antigen, K-K alpha chain

Beta-2-microglobulin

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