SMTL ID : 1tog.1

Hydrocinnamic acid-bound structure of SRHEPT + A293D mutant of E. coli aspartate aminotransferase

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.31 Å

Oligo State

homo-dimer

Ligands

2 x HCI: HYDROCINNAMIC ACID(Non-covalent)

HCI.1: 14 residues within 4Å: Chain A: D.11, I.13, L.14, I.33, G.34, S.104, W.130, N.132, N.183, K.246, F.348, R.374 Chain B: Y.65, S.284 8 PLIP interactions: 7 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:L.14, A:I.33, B:Y.65 Hydrogen bonds: A:G.34, A:W.130, A:N.183 Salt bridges: A:R.374 pi-Stacking: A:W.130 HCI.2: 13 residues within 4Å: Chain A: Y.65, S.284 Chain B: I.13, L.14, I.33, G.34, S.104, W.130, N.132, N.183, Y.214, K.246, R.374 9 PLIP interactions: 8 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:I.13, B:L.14, B:I.33, A:Y.65 Hydrogen bonds: B:G.34, B:W.130, B:N.183 Salt bridges: B:R.374 pi-Stacking: B:W.130

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chow, M.A. et al., Narrowing substrate specificity in a directly evolved enzyme: the A293D mutant of aspartate aminotransferase. Biochemistry (2004)

Release Date

2004-10-05

Peptides

Aspartate aminotransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Aspartate aminotransferase