SMTL ID : 6f35.1

Crystal structure of the aspartate aminotranferase from Rhizobium meliloti

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

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

PLP.1: 12 residues within 4Å: Chain A: G.109, A.110, K.111, Y.138, N.181, D.214, M.216, Y.217, S.248, K.249, R.257 Chain B: Y.74 14 PLIP interactions: 13 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:M.216, A:Y.217, A:K.249 Hydrogen bonds: A:A.110, A:K.111, A:Y.138, A:S.248, A:S.248, A:K.249, B:Y.74 Water bridges: A:N.185, A:Y.217, A:R.257 Salt bridges: A:R.257 PLP.5: 12 residues within 4Å: Chain A: Y.74 Chain B: G.109, A.110, K.111, Y.138, N.181, D.214, M.216, Y.217, S.248, K.249, R.257 11 PLIP interactions: 10 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:M.216, B:Y.217, B:K.249 Hydrogen bonds: B:A.110, B:K.111, B:S.248, B:S.248 Water bridges: B:K.249, B:R.257, A:Y.74 Salt bridges: B:R.257

4 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 9 residues within 4Å: Chain A: I.26, I.29, G.30, I.45, G.47, A.371, V.372, V.373, R.385 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:I.45, A:A.371, A:V.373 Hydrogen bonds: A:R.385 Water bridges: A:G.30, A:V.373 ACT.3: 5 residues within 4Å: Chain A: I.21, G.22, S.24, T.136, D.140 2 PLIP interactions: 2 interactions with chain A Water bridges: A:S.24, A:T.136 ACT.6: 8 residues within 4Å: Chain B: I.26, I.29, G.30, I.45, G.47, A.371, V.373, R.385 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:I.29, B:I.45 Water bridges: B:G.47, B:R.385 Salt bridges: B:R.385 ACT.7: 3 residues within 4Å: Chain B: H.206, P.207, H.208 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:H.206, B:H.208 Hydrogen bonds: B:H.208 Water bridges: B:H.206 Salt bridges: B:H.208

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 4 residues within 4Å: Chain A: D.52, F.53, R.311, T.390 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.311 Water bridges: A:D.52 GOL.8: 4 residues within 4Å: Chain B: D.52, F.53, R.311, T.390 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:D.52, B:T.390

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Giustini, C. et al., Tyrosine metabolism: identification of a key residue in the acquisition of prephenate aminotransferase activity by 1 beta aspartate aminotransferase. Febs J. (2019)

Release Date

2019-03-13

Peptides

Aspartate aminotransferase B: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Aspartate aminotransferase B