SMTL ID : 2aq2.2 (1 other biounit)

Crystal structure of T-cell receptor V beta domain variant complexed with superantigen SEC3 mutant

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

hetero-1-1-mer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 3 residues within 4Å: Chain A: D.83, H.116, H.120 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.83, A:D.83, A:H.116, A:H.120

3 x NA: SODIUM ION(Non-functional Binders)

NA.2: 3 residues within 4Å: Chain A: E.173, F.174, N.175 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:F.174, A:N.175 Water bridges: A:S.176, A:S.176 NA.3: 3 residues within 4Å: Chain A: K.25, E.173, F.174 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.25, A:F.174 NA.4: 3 residues within 4Å: Chain A: Y.77, T.114, K.115 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.77, A:K.115

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

SO4.5: 5 residues within 4Å: Chain A: H.47, N.70, E.71 Chain B: Y.35, Y.52 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:Y.35, B:Y.52, A:H.47, A:E.71 Water bridges: A:L.69 SO4.6: 7 residues within 4Å: Chain A: Y.26, H.31, D.55, K.57, N.60, N.88, Y.90 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:Y.26, A:N.60, A:N.88, A:Y.90, A:Y.90 Water bridges: A:K.57, A:K.57, A:Y.61 Salt bridges: A:H.31, A:K.57 SO4.7: 1 residues within 4Å: Chain A: R.138 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.138 SO4.8: 2 residues within 4Å: Chain A: K.75, K.78 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:K.75, A:K.78 SO4.9: 3 residues within 4Å: Chain A: G.203, D.204, K.205 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.204, A:K.205

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cho, S. et al., Structural basis of affinity maturation and intramolecular cooperativity in a protein-protein interaction. Structure (2005)

Release Date

2006-03-21

Peptides

Enterotoxin type C-3: A
T-CELL RECEPTOR BETA CHAIN V: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

Enterotoxin type C-3

T-CELL RECEPTOR BETA CHAIN V

Related Entries With Identical Sequence