SMTL ID : 1fc4.1

2-AMINO-3-KETOBUTYRATE COA LIGASE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x AKB: 2-AMINO-3-KETOBUTYRIC ACID(Non-covalent)

AKB.1: 11 residues within 4Å: Chain A: N.53, H.139, S.188, M.189, H.216, K.247, R.371 Chain B: V.82, I.85, F.276 Ligands: PLP.2 10 PLIP interactions: 9 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:S.188, A:H.216, A:K.247, A:R.371, A:R.371 Water bridges: A:N.53 Salt bridges: A:H.139, A:H.216, A:R.371 Hydrophobic interactions: B:V.82 AKB.3: 10 residues within 4Å: Chain A: V.82, I.85 Chain B: N.53, H.139, S.188, M.189, H.216, K.247, R.371 Ligands: PLP.4 11 PLIP interactions: 10 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:S.188, B:H.216, B:K.247, B:R.371, B:R.371 Water bridges: B:N.53, B:S.188 Salt bridges: B:H.139, B:H.216, B:R.371 Hydrophobic interactions: A:V.82

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PLP.2: 16 residues within 4Å: Chain A: S.113, C.114, F.115, H.139, D.184, S.188, D.213, S.215, H.216, T.244, K.247, G.254 Chain B: F.276, S.277, N.278 Ligands: AKB.1 15 PLIP interactions: 14 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:H.139 Hydrogen bonds: A:C.114, A:F.115, A:S.188, A:S.188, A:S.215, A:T.244, A:T.244, B:N.278 Water bridges: A:S.188, A:G.246, A:G.246, A:K.247 Salt bridges: A:K.247 pi-Stacking: A:H.139 PLP.4: 17 residues within 4Å: Chain A: F.276, S.277, N.278 Chain B: S.113, C.114, F.115, H.139, S.141, D.184, S.188, D.213, S.215, H.216, T.244, K.247, G.254 Ligands: AKB.3 14 PLIP interactions: 13 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:H.139 Hydrogen bonds: B:C.114, B:F.115, B:S.141, B:S.188, B:S.188, B:S.215, B:T.244, B:T.244, A:N.278 Water bridges: B:G.246, B:G.246 Salt bridges: B:K.247 pi-Stacking: B:H.139

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schmidt, A. et al., Three-dimensional structure of 2-amino-3-ketobutyrate CoA ligase from Escherichia coli complexed with a PLP-substrate intermediate: inferred reaction mechanism. Biochemistry (2001)

Release Date

2001-05-02

Peptides

2-AMINO-3-KETOBUTYRATE CONENZYME A LIGASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

2-AMINO-3-KETOBUTYRATE CONENZYME A LIGASE