SMTL ID : 6sll.1

Diaminobutyrate acetyltransferase EctA from Paenibacillus lautus in complex with its substrate L-2,4-diaminobutyric acid (DAB) and coenzyme A

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

homo-dimer

Ligands

2 x COA: COENZYME A(Non-covalent)

COA.1: 17 residues within 4Å: Chain A: S.41, L.42, V.91, A.92, V.93, R.98, R.99, Q.100, G.101, I.102, A.103, K.104, N.130, A.132, S.133, R.135, L.136 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:L.42, A:V.91, A:A.103 Hydrogen bonds: A:S.41, A:V.93, A:R.99, A:G.101, A:I.102, A:A.103, A:K.104, A:N.130 Water bridges: A:R.99, A:R.99, A:R.99, A:Q.100, A:Q.100 Salt bridges: A:K.104, A:R.135 pi-Cation interactions: A:R.99 COA.4: 17 residues within 4Å: Chain B: S.41, V.91, A.92, V.93, R.98, R.99, Q.100, G.101, I.102, A.103, K.104, S.129, A.132, S.133, R.135, L.136, E.143 20 PLIP interactions: 20 interactions with chain B Hydrophobic interactions: B:V.91, B:V.93, B:A.103, B:A.132 Hydrogen bonds: B:S.41, B:V.93, B:R.98, B:R.99, B:Q.100, B:G.101, B:G.101, B:I.102, B:A.103, B:K.104 Water bridges: B:H.97, B:M.131, B:M.131, B:A.132 Salt bridges: B:K.104, B:R.135

2 x DAB: 2,4-DIAMINOBUTYRIC ACID(Non-covalent)

DAB.2: 7 residues within 4Å: Chain A: L.42, D.43, W.89, Q.90, T.125, E.168 Chain B: Y.48 10 PLIP interactions: 8 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:D.43, A:W.89, A:Q.90, A:T.125, A:T.125, A:E.168 Water bridges: A:T.125, A:S.133, B:S.46 Hydrophobic interactions: B:Y.48 DAB.5: 7 residues within 4Å: Chain A: Y.48 Chain B: L.42, D.43, W.89, Q.90, T.125, E.168 10 PLIP interactions: 8 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:D.43, B:D.43, B:Q.90, B:T.125, B:E.168 Water bridges: B:S.41, B:T.125, B:S.127, A:S.46 Hydrophobic interactions: A:Y.48

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 6 residues within 4Å: Chain A: V.126, S.127, P.128, R.134, P.169, F.171 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:V.126

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Richter, A.A. et al., The architecture of the diaminobutyrate acetyltransferase active site provides mechanistic insight into the biosynthesis of the chemical chaperone ectoine. J.Biol.Chem. (2020)

Release Date

2020-01-29

Peptides

L-2,4-diaminobutyric acid acetyltransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

L-2,4-diaminobutyric acid acetyltransferase

Related Entries With Identical Sequence