SMTL ID : 4rkd.3 (3 other biounits)

Psychrophilic aromatic amino acids aminotransferase from Psychrobacter sp. B6 cocrystalized with aspartic acid

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.76 Å

Oligo State

homo-dimer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 2 residues within 4Å: Chain A: E.112 Chain B: E.112 No protein-ligand interaction detected (PLIP)

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Covalent)

PLP.2: 15 residues within 4Å: Chain A: G.102, G.103, S.104, W.130, H.178, N.183, D.211, A.213, Y.214, S.243, S.245, K.246, R.254 Chain B: Y.65 Ligands: KET.4 12 PLIP interactions: 10 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:A.213, A:K.246 Hydrogen bonds: A:G.103, A:S.104, A:N.183, A:S.243, A:S.245, B:Y.65, B:Y.65 Salt bridges: A:K.246, A:R.254 pi-Stacking: A:W.130 PLP.5: 16 residues within 4Å: Chain A: Y.65 Chain B: G.102, G.103, S.104, L.107, W.130, H.133, H.178, N.183, D.211, A.213, Y.214, S.243, S.245, K.246, R.254 13 PLIP interactions: 13 interactions with chain B Hydrophobic interactions: B:W.130, B:A.213, B:K.246 Hydrogen bonds: B:G.103, B:S.104, B:S.104, B:N.183, B:S.243, B:S.243, B:S.245 Salt bridges: B:K.246, B:R.254 pi-Stacking: B:W.130

1 x OAA: OXALOACETATE ION(Non-covalent)

OAA.3: 4 residues within 4Å: Chain A: E.138, D.141, I.142, E.143 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.141

1 x KET: 2-[(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHYLENE)-AMINO]-SUCCINIC ACID(Covalent)

KET.4: 17 residues within 4Å: Chain A: G.34, G.102, G.103, S.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 Ligands: PLP.2 20 PLIP interactions: 18 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:W.130, A:N.183, A:Y.214, A:K.246 Hydrogen bonds: A:G.103, A:S.104, A:W.130, A:N.183, A:Y.214, A:S.243, A:S.245, A:R.374, B:Y.65, B:Y.65 Salt bridges: A:K.246, A:K.246, A:K.246, A:R.254 pi-Stacking: A:W.130, A:W.130

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bujacz, A. et al., Crystal structure and enzymatic properties of a broad substrate-specificity psychrophilic aminotransferase from the Antarctic soil bacterium Psychrobacter sp. B6. Acta Crystallogr.,Sect.D (2015)

Release Date

2015-03-11

Peptides

Aromatic amino acid aminotransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
F

Aromatic amino acid aminotransferase

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