SMTL ID : 2cst.1

CRYSTAL STRUCTURE OF THE CLOSED FORM OF CHICKEN CYTOSOLIC ASPARTATE AMINOTRANSFERASE AT 1.9 ANGSTROMS RESOLUTION

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

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

PLP.1: 15 residues within 4Å: Chain A: G.106, G.107, T.108, W.139, H.188, N.193, D.221, A.223, Y.224, S.254, S.256, K.257, R.265 Chain B: Y.69 Ligands: MAE.2 16 PLIP interactions: 15 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:N.193, A:A.223, A:K.257 Hydrogen bonds: A:G.107, A:T.108, A:T.108, A:N.193, A:Y.224, A:S.254, A:S.256 Water bridges: A:R.265, B:S.295 Salt bridges: A:K.257, A:R.265 pi-Stacking: A:W.139, A:W.139 PLP.3: 14 residues within 4Å: Chain A: Y.69 Chain B: G.106, G.107, T.108, W.139, N.193, D.221, A.223, Y.224, S.254, S.256, K.257, R.265 Ligands: MAE.4 15 PLIP interactions: 12 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:N.193, B:A.223, B:K.257 Hydrogen bonds: B:G.107, B:T.108, B:N.193, B:S.254, B:S.256, A:Y.69 Salt bridges: B:K.257, B:R.265 pi-Stacking: B:W.139, B:W.139 Water bridges: A:Y.69, A:S.295

2 x MAE: MALEIC ACID(Non-covalent)

MAE.2: 12 residues within 4Å: Chain A: V.16, F.17, V.36, G.37, W.139, N.193, K.257, F.359, R.385 Chain B: Y.69, R.291 Ligands: PLP.1 10 PLIP interactions: 5 interactions with chain A, 5 interactions with chain B Hydrogen bonds: A:G.37, A:W.139, A:N.193 Salt bridges: A:K.257, A:R.385, B:R.291 Water bridges: B:Y.69, B:R.291, B:R.291, B:S.295 MAE.4: 11 residues within 4Å: Chain A: Y.69, R.291 Chain B: V.16, F.17, V.36, G.37, W.139, N.193, K.257, R.385 Ligands: PLP.3 10 PLIP interactions: 5 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:G.37, B:W.139, B:N.193, A:S.295 Salt bridges: B:K.257, B:R.385, A:R.291 Water bridges: A:Y.69, A:R.291, A:R.291

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Malashkevich, V.N. et al., Crystal structure of the closed form of chicken cytosolic aspartate aminotransferase at 1.9 A resolution. J.Mol.Biol. (1995)

Release Date

1994-11-30

Peptides

ASPARTATE AMINOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ASPARTATE AMINOTRANSFERASE