SMTL ID : 8dv4.2 (1 other biounit)

Crystal structure of the BC8B TCR-CD1b-PI complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

hetero-1-1-mer

Ligands

1 x PIE: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOINOSITOL(Non-covalent)

PIE.1: 9 residues within 4Å: Chain A: N.2, T.28, G.29, Y.30, P.31, P.94, S.95, Y.98, Q.99 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:Y.98, A:Y.98 Hydrogen bonds: A:N.2, A:T.28, A:T.28, A:T.28, A:G.29, A:Y.30, A:S.95, A:S.95, A:Q.99

4 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.2: 5 residues within 4Å: Chain A: E.63, A.64, T.65, H.74, E.76 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:E.63, A:E.63, A:T.65, A:T.65, A:H.74, A:H.74 EDO.3: 2 residues within 4Å: Chain A: K.52, D.55 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.55 EDO.4: 5 residues within 4Å: Chain A: Q.45, L.46 Chain B: E.103, Q.104, Y.105 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:L.46, B:E.103, B:Q.104 EDO.5: 7 residues within 4Å: Chain A: G.41 Chain B: K.9, F.10, V.88, P.108, G.109, R.111 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.111

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

CL.6: 2 residues within 4Å: Chain B: H.168, S.169 Ligand excluded by PLIP CL.7: 3 residues within 4Å: Chain B: R.111, L.112, T.113 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Farquhar, R. et al., alpha beta T-cell receptor recognition of self-phosphatidylinositol presented by CD1b. J.Biol.Chem. (2023)

Release Date

2023-04-19

Peptides

T-cell receptor alpha variable TRAV9-2: A
T-cell receptor beta variable TRBV6-2: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

T-cell receptor alpha variable TRAV9-2

T-cell receptor beta variable TRBV6-2

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