SMTL ID : 1x29.1

Crystal Structure of e.coli AspAT complexed with N-phosphopyridoxyl-2-methyl-L-glutamic acid

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

2 x PMG: N-({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYL)-2-METHYL-L-GLUTAMIC ACID(Non-covalent)

PMG.1: 20 residues within 4Å: Chain A: I.13, I.33, G.34, G.102, G.103, T.104, W.130, H.178, N.183, D.211, A.213, Y.214, S.243, S.245, K.246, R.254, F.348, R.374 Chain B: Y.65, R.280 23 PLIP interactions: 6 interactions with chain B, 17 interactions with chain A Hydrophobic interactions: B:Y.65, A:I.33, A:W.130, A:N.183, A:F.348 Hydrogen bonds: B:Y.65, B:Y.65, B:S.284, A:G.34, A:G.103, A:T.104, A:T.104, A:W.130, A:N.183, A:Y.214, A:S.243, A:S.245 Water bridges: B:N.285 Salt bridges: B:R.280, A:R.254, A:R.374 pi-Stacking: A:W.130, A:W.130 PMG.2: 19 residues within 4Å: Chain A: Y.65, R.280, S.284 Chain B: I.13, I.33, G.34, G.102, G.103, T.104, W.130, N.183, D.211, Y.214, S.243, S.245, K.246, R.254, F.348, R.374 22 PLIP interactions: 18 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:I.13, B:W.130, A:Y.65 Hydrogen bonds: B:G.34, B:G.103, B:T.104, B:T.104, B:W.130, B:N.183, B:Y.214, B:S.243, B:S.245, B:K.246, A:Y.65, A:S.284 Water bridges: B:R.254 Salt bridges: B:K.246, B:R.254, B:R.374, A:R.280 pi-Stacking: B:W.130, B:W.130

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Islam, M.M. et al., Binding of C5-dicarboxylic substrate to aspartate aminotransferase: implications for the conformational change at the transaldimination step. Biochemistry (2005)

Release Date

2005-06-14

Peptides

Aspartate aminotransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Aspartate aminotransferase

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