SMTL ID : 6sk1.1

Diaminobutyrate acetyltransferase EctA from Paenibacillus lautus in complex with coenzyme A

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.50 Å

Oligo State

homo-dimer

Ligands

2 x COA: COENZYME A(Non-covalent)

COA.1: 18 residues within 4Å: Chain A: Q.90, V.91, A.92, V.93, R.98, R.99, Q.100, G.101, I.102, A.103, K.104, N.130, M.131, A.132, S.133, R.135, L.136, G.139 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:V.91, A:A.103, A:A.132 Hydrogen bonds: A:V.91, A:V.93, A:R.99, A:R.99, A:Q.100, A:G.101, A:G.101, A:I.102, A:A.103, A:K.104, A:N.130 Water bridges: A:H.97, A:K.104, A:K.104, A:A.132, A:R.135, A:R.135 Salt bridges: A:K.104, A:R.135 pi-Cation interactions: A:R.99 COA.3: 18 residues within 4Å: Chain B: Q.90, V.91, A.92, V.93, R.98, R.99, Q.100, G.101, I.102, A.103, K.104, N.130, M.131, A.132, S.133, R.135, L.136, G.139 25 PLIP interactions: 25 interactions with chain B Hydrophobic interactions: B:V.91, B:A.103, B:A.132 Hydrogen bonds: B:V.91, B:V.93, B:R.98, B:R.99, B:R.99, B:Q.100, B:G.101, B:G.101, B:I.102, B:A.103, B:K.104, B:N.130 Water bridges: B:H.97, B:K.104, B:K.104, B:A.132, B:R.135, B:R.135, B:E.142 Salt bridges: B:K.104, B:R.135 pi-Cation interactions: B:R.99

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

ACT.2: 6 residues within 4Å: Chain A: F.77, W.89 Chain B: C.49, L.53, W.89 Ligands: ACT.4 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:L.53, B:W.89 ACT.4: 6 residues within 4Å: Chain A: C.49, L.53, W.89 Chain B: F.77, W.89 Ligands: ACT.2 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.53, A:W.89

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
A

L-2,4-diaminobutyric acid acetyltransferase

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