SMTL ID : 1asl.1

CRYSTAL STRUCTURES OF ESCHERICHIA COLI ASPARTATE AMINOTRANSFERASE IN TWO CONFORMATIONS: COMPARISON OF AN UNLIGANDED OPEN AND TWO LIGANDED CLOSED FORMS

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

2 x PLA: 2-[(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHYL)-AMINO]-2-METHYL-SUCCINIC ACID(Non-covalent)

PLA.1: 19 residues within 4Å: Chain A: I.13, L.14, G.34, G.102, G.103, T.104, W.130, 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 21 PLIP interactions: 19 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:W.130, A:N.183 Hydrogen bonds: A:G.34, A:G.103, A:T.104, A:T.104, A:T.104, A:W.130, A:N.183, A:Y.214, A:S.243, A:S.243, A:S.245 Water bridges: A:T.104, B:N.285 Salt bridges: A:K.246, A:R.254, A:R.374, B:R.280 pi-Stacking: A:W.130, A:W.130 PLA.2: 19 residues within 4Å: Chain A: Y.65, R.280 Chain B: I.13, I.33, G.34, G.102, G.103, T.104, W.130, N.183, D.211, A.213, Y.214, S.243, S.245, K.246, R.254, F.348, R.374 25 PLIP interactions: 6 interactions with chain A, 19 interactions with chain B Water bridges: A:R.280, A:R.280, A:S.284, A:S.284, A:S.284, B:T.104 Salt bridges: A:R.280, B:K.246, B:R.254, B:R.374 Hydrophobic interactions: B:N.183, B:Y.214 Hydrogen bonds: B:G.34, B:G.103, B:T.104, B:T.104, B:T.104, B:W.130, B:N.183, B:S.243, B:S.243, B:S.245, B:K.246 pi-Stacking: B:W.130, B:W.130

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jager, J. et al., Crystal structures of Escherichia coli aspartate aminotransferase in two conformations. Comparison of an unliganded open and two liganded closed forms. J.Mol.Biol. (1994)

Release Date

1994-01-31

Peptides

ASPARTATE AMINOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ASPARTATE AMINOTRANSFERASE

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