SMTL ID : 7qpd.1

Structure of the human MHC I peptide-loading complex editing module

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-1-mer

Ligands

1 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.1: 7 residues within 4Å: Chain B: L.157, D.159, S.161, F.218, N.233, T.235 Chain C: H.384 No protein-ligand interaction detected (PLIP)

1 x NAG- NAG- BMA- MAN- MAN- MAN- GLC: alpha-D-glucopyranose-(1-3)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-MAN-MAN-GLC.2: 21 residues within 4Å: Chain B: W.8, D.39 Chain D: N.86 Chain E: F.57, D.87, C.88, G.89, G.90, Y.92, K.94, G.107, D.108, Y.111, D.118, C.120, P.122, N.137, D.300, L.301, W.302, V.304 2 PLIP interactions: 2 interactions with chain E Hydrogen bonds: E:K.94, E:K.94, E:D.118, E:H.128, E:N.137, E:K.94, E:K.94

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Domnick, A. et al., Molecular basis of MHC I quality control in the peptide loading complex. Nat Commun (2022)

Release Date

2022-07-20

Peptides

Beta-2-microglobulin: A
Tapasin: B
Protein disulfide-isomerase A3: C
HLA class I histocompatibility antigen, A-3 alpha chain: D
Calreticulin: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
T

C
E

D
M

E
C

Beta-2-microglobulin

Tapasin

Protein disulfide-isomerase A3

HLA class I histocompatibility antigen, A-3 alpha chain

Calreticulin

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