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TitleThe architecture of the diaminobutyrate acetyltransferase active site provides mechanistic insight into the biosynthesis of the chemical chaperone ectoine.
Journal, issue, pagesJ. Biol. Chem., Vol. 295, Page 2822-2838, Year 2020
Publish dateAug 14, 2019 (structure data deposition date)
AuthorsRichter, A.A. / Kobus, S. / Czech, L. / Hoeppner, A. / Zarzycki, J. / Erb, T.J. / Lauterbach, L. / Dickschat, J.S. / Bremer, E. / Smits, S.H.J.
External linksJ. Biol. Chem. / PubMed:31969391
MethodsX-ray diffraction
Resolution1.2 - 2.2 Å
Structure data

PDB-6sjy:
Diaminobutyrate acetyltransferase EctA from Paenibacillus lautus in complex with its product ADABA
Method: X-RAY DIFFRACTION / Resolution: 2.2 Å

PDB-6sk1:
Diaminobutyrate acetyltransferase EctA from Paenibacillus lautus in complex with coenzyme A
Method: X-RAY DIFFRACTION / Resolution: 1.5 Å

PDB-6sl8:
Diaminobutyrate acetyltransferase EctA from Paenibacillus lautus in complex with its substrate L-2,4-diaminobutyric acid (DAB)
Method: X-RAY DIFFRACTION / Resolution: 1.53 Å

PDB-6slk:
Diaminobutyrate acetyltransferase EctA from Paenibacillus lautus
Method: X-RAY DIFFRACTION / Resolution: 2.2 Å

PDB-6sll:
Diaminobutyrate acetyltransferase EctA from Paenibacillus lautus in complex with its substrate L-2,4-diaminobutyric acid (DAB) and coenzyme A
Method: X-RAY DIFFRACTION / Resolution: 1.2 Å

Chemicals

ChemComp-GOL:
GLYCEROL

ChemComp-9YT:
(2~{S})-4-acetamido-2-azanyl-butanoic acid

ChemComp-TRS:
2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL / pH buffer*YM

ChemComp-HOH:
WATER

ChemComp-COA:
COENZYME A

ChemComp-ACT:
ACETATE ION

ChemComp-DAB:
2,4-DIAMINOBUTYRIC ACID / inhibitor*YM

ChemComp-NA:
Unknown entry

ChemComp-SO4:
SULFATE ION

ChemComp-MG:
Unknown entry

Source
  • geobacillus sp. (strain y412mc10) (bacteria)
KeywordsTRANSFERASE / L-2 / 4-diaminobutyrate acetyltransferase / acetyl coenzyme A / acetylation / stress response / chemical chaperone

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