SMTL ID : 4i0p.2 (1 other biounit)

HLA-DO in complex with HLA-DM

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

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

NAG.1: 4 residues within 4Å: Chain A: L.1, Q.2, N.3 Chain B: L.10 No protein-ligand interaction detected (PLIP) NAG.3: 1 residues within 4Å: Chain C: N.78 No protein-ligand interaction detected (PLIP) NAG.4: 4 residues within 4Å: Chain C: V.116, N.118, E.166, W.168 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:N.118 NAG.5: 2 residues within 4Å: Chain D: N.16, E.19 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:N.16

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 4 residues within 4Å: Chain A: E.65, F.66, W.69 Chain B: K.63 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:K.63 GOL.8: 5 residues within 4Å: Chain C: R.44, K.94, I.104, Y.150 Chain D: D.149 4 PLIP interactions: 2 interactions with chain D, 2 interactions with chain C Hydrogen bonds: D:D.149, D:D.149, C:R.44, C:R.44

1 x PGE: TRIETHYLENE GLYCOL(Non-functional Binders)

PGE.6: 4 residues within 4Å: Chain D: A.46, T.48, K.49, Q.52 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:Q.52

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.7: 4 residues within 4Å: Chain D: I.124, I.126, S.141, V.156 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:I.126

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Guce, A.I. et al., HLA-DO acts as a substrate mimic to inhibit HLA-DM by a competitive mechanism. Nat.Struct.Mol.Biol. (2013)

Release Date

2012-12-26

Peptides

HLA-DMA protein: A
HLA class II histocompatibility antigen, DM beta chain: B
HLA class II histocompatibility antigen, DO alpha chain: C
HLA class II histocompatibility antigen, DO beta chain: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
F

C
G

D
H

HLA-DMA protein

HLA class II histocompatibility antigen, DM beta chain

HLA class II histocompatibility antigen, DO alpha chain

HLA class II histocompatibility antigen, DO beta chain

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