SMTL ID : 4mnq.1

TCR-peptide specificity overrides affinity enhancing TCR-MHC interactions

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.74 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x ILE- LEU- ALA- LYS- PHE- LEU- HIS- TRP- LEU: Telomerase reverse transcriptase(Non-covalent)

ILE-LEU-ALA-LYS-PHE-LEU-HIS-TRP-LEU.1: 37 residues within 4Å: Chain A: M.5, Y.7, F.9, M.45, E.63, K.66, V.67, H.70, T.73, D.77, T.80, L.81, Y.84, Y.99, Y.116, Y.123, T.143, K.146, W.147, V.152, Q.155, L.156, Y.159, W.167, Y.171 Chain C: D.89, S.90, A.91, T.92, A.93, P.95, Y.96 Chain D: E.29, I.49, H.50, Q.95, G.96 40 PLIP interactions: 31 interactions with chain A, 4 interactions with chain D, 5 interactions with chain C Hydrophobic interactions: A:Y.7, A:F.9, A:K.66, A:T.73, A:L.81, A:Y.99, A:Y.116, A:Y.116, A:Y.123, A:W.147, A:L.156, A:Y.159, A:Y.159, A:W.167, A:W.167, D:I.49, D:H.50, C:T.92, C:Y.96 Hydrogen bonds: A:Y.7, A:E.63, A:K.66, A:T.73, A:D.77, A:Y.99, A:Y.99, A:T.143, A:K.146, A:Q.155, A:Y.159, A:Y.171, D:Q.95, D:Q.95, C:A.93 Water bridges: A:R.97, A:R.97, C:Y.96, C:Y.96 Salt bridges: A:K.146 pi-Stacking: A:Y.99

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 5 residues within 4Å: Chain A: R.35, A.40, A.41, S.42, E.46 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.35, A:A.41, A:S.42, A:E.46

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

EDO.3: 3 residues within 4Å: Chain A: F.109, E.128, D.129 No protein-ligand interaction detected (PLIP) EDO.4: 4 residues within 4Å: Chain C: R.163 Chain D: V.162, H.163, S.164 3 PLIP interactions: 2 interactions with chain D, 1 interactions with chain C Hydrogen bonds: D:H.163, D:S.164, C:R.163

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cole, D.K. et al., T-cell receptor (TCR)-peptide specificity overrides affinity-enhancing TCR-major histocompatibility complex interactions. J.Biol.Chem. (2014)

Release Date

2013-11-13

Peptides

HLA class I histocompatibility antigen, A-2 alpha chain: A
Beta-2-microglobulin: B
Uncharacterized protein, T-cell receptor, sp3.4 alpha chain: C
V_segment translation product, T-cell receptor beta-1 chain C region: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
D

D
E

HLA class I histocompatibility antigen, A-2 alpha chain

Beta-2-microglobulin

Uncharacterized protein, T-cell receptor, sp3.4 alpha chain

V_segment translation product, T-cell receptor beta-1 chain C region

Related Entries With Identical Sequence