SMTL ID : 2f54.1 (1 other biounit)

Directed evolution of human T cell receptor CDR2 residues by phage display dramatically enhances affinity for cognate peptide-MHC without increasing apparent cross-reactivity

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x SER- LEU- LEU- MET- TRP- ILE- THR- GLN- CYS: Cancer/testis antigen 1B(Non-covalent)

SER-LEU-LEU-MET-TRP-ILE-THR-GLN-CYS.1: 38 residues within 4Å: Chain A: M.5, Y.7, M.45, E.63, K.66, V.67, H.70, T.73, V.76, D.77, T.80, L.81, Y.84, R.97, Y.99, T.143, K.146, W.147, V.152, L.156, Y.159, W.167, Y.171 Chain C: Y.31, R.93, P.94, T.95, S.96, G.97, G.98, S.99, Y.100 Chain D: N.26, E.28, Y.93, V.94, G.95, N.96 26 PLIP interactions: 17 interactions with chain A, 3 interactions with chain D, 6 interactions with chain C Hydrophobic interactions: A:Y.7, A:K.66, A:V.67, A:Y.99, A:L.156, A:Y.159, C:Y.31, C:Y.31 Hydrogen bonds: A:Y.7, A:E.63, A:K.66, A:T.73, A:D.77, A:R.97, A:Y.99, A:K.146, A:Y.171, A:Y.171, D:E.28, D:V.94, D:N.96, C:Y.100 Salt bridges: A:K.146 pi-Stacking: C:Y.31, C:Y.31, C:Y.100

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dunn, S.M. et al., Directed evolution of human T cell receptor CDR2 residues by phage display dramatically enhances affinity for cognate peptide-MHC without increasing apparent cross-reactivity. Protein Sci. (2006)

Release Date

2006-04-25

Peptides

HLA class I histocompatibility antigen: A
Beta-2-microglobulin: B
T-cell receptor alpha chain: C
T-cell receptor beta chain: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
D

D
E

HLA class I histocompatibility antigen

Beta-2-microglobulin

T-cell receptor alpha chain

T-cell receptor beta chain

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