SMTL ID : 6gb7.3 (3 other biounits)

Structure of H-2Db with scoop loop from tapasin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.15 Å

Oligo State

hetero-1-1-mer

Ligands

1 x PHE- ALA- PRO- GLY- ASN- TYR- PRO: PHE-ALA-PRO-GLY-ASN-TYR-PRO(Non-covalent)

PHE-ALA-PRO-GLY-ASN-TYR-PRO.1: 18 residues within 4Å: Chain A: Y.7, E.9, Y.45, R.62, E.63, K.66, Q.70, W.73, Q.97, F.116, S.150, A.152, H.155, Y.156, Y.159, E.163, W.167, Y.171 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:Y.7, A:W.73, A:A.152, A:H.155, A:Y.156, A:Y.159, A:E.163, A:E.163, A:W.167, A:W.167 Hydrogen bonds: A:E.63, A:K.66, A:Q.70, A:Q.70, A:Q.97, A:Q.97, A:Y.156, A:Y.156, A:Y.171, A:Y.171 Water bridges: A:H.155 pi-Stacking: A:W.167 pi-Cation interactions: A:K.66

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

SO4.2: 3 residues within 4Å: Chain B: K.45, P.47, K.48 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:P.47 Salt bridges: B:K.45

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hafstrand, I. et al., Successive crystal structure snapshots suggest the basis for MHC class I peptide loading and editing by tapasin. Proc.Natl.Acad.Sci.USA (2019)

Release Date

2019-03-06

Peptides

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

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
F

H-2 class I histocompatibility antigen, D-B alpha chain

Beta-2-microglobulin

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