SMTL ID : 1ktd.3 (2 other biounits)

CRYSTAL STRUCTURE OF CLASS II MHC MOLECULE IEK BOUND TO PIGEON CYTOCHROME C PEPTIDE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

hetero-2-2-mer

Ligands

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

NAG.1: 2 residues within 4Å: Chain A: N.78 Chain B: V.21 No protein-ligand interaction detected (PLIP) NAG.2: 4 residues within 4Å: Chain A: N.118, D.166, H.167, W.168 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.168 Hydrogen bonds: A:W.168 NAG.3: 4 residues within 4Å: Chain A: I.1, K.2 Chain B: N.46, Q.49 No protein-ligand interaction detected (PLIP) NAG.5: 4 residues within 4Å: Chain C: N.78 Chain D: L.20, V.21, G.22 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain D Hydrophobic interactions: C:N.78 Hydrogen bonds: C:N.78, D:G.22

1 x SO4: SULFATE ION(Non-functional Binders)

SO4.4: 6 residues within 4Å: Chain B: R.52, L.54, R.66 Chain D: R.52, L.54, R.66 9 PLIP interactions: 5 interactions with chain B, 4 interactions with chain D Water bridges: B:R.52, B:R.66, B:R.66, D:R.66, D:R.66 Salt bridges: B:R.52, B:R.66, D:R.52, D:R.66

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fremont, D.H. et al., Structural basis of cytochrome c presentation by IE(k). J.Exp.Med. (2002)

Release Date

2002-05-01

Peptides

H-2 class II histocompatibility antigen, E-D alpha chain: AC
Fusion protein consisting of cytochrome C peptide, glycine rich linker, and MHC E-beta-k: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
B

D
D

H-2 class II histocompatibility antigen, E-D alpha chain

Fusion protein consisting of cytochrome C peptide, glycine rich linker, and MHC E-beta-k

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