The Enzyme Database

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EC 6.3.2.55     
Accepted name: 2-[(L-alanin-3-ylcarbamoyl)methyl]-3-(2-aminoethylcarbamoyl)-2-hydroxypropanoate synthase
Reaction: ATP + 2-[(2-aminoethylcarbamoyl)methyl]-2-hydroxybutanedioate + L-2,3-diaminopropanoate = AMP + diphosphate + 2-[(L-alanin-3-ylcarbamoyl)methyl]-3-(2-aminoethylcarbamoyl)-2-hydroxypropanoate
Glossary: staphyloferrin B = 5-[(2-{[(3S)-5-{[(2S)-2-amino-2-carboxyethyl]amino}-3-carboxy-3-hydroxy-5-oxopentanoyl]amino}ethyl)amino]-2,5-dioxopentanoate
Other name(s): sbnF (gene name)
Systematic name: 2-[(2-aminoethylcarbamoyl)methyl]-2-hydroxybutanedioate:L-2,3-diaminopropanoate ligase {2-[(L-alanin-3-ylcarbamoyl)methyl]-3-(2-aminoethylcarbamoyl)-2-hydroxypropanoate-forming}
Comments: Requires Mg2+. The enzyme, characterized from the bacterium Staphylococcus aureus, is involved in the biosynthesis of the siderophore staphyloferrin B. It belongs to a class of siderophore synthases known as type C nonribosomal peptide synthase-independent synthases (NIS). Type C NIS enzymes recognize esterified or amidated derivatives of carboxylic acids. The enzyme likely forms a 2-[(2-aminoethylcarbamoyl)methyl]-2-hydroxybutanedioate adenylate intermediate prior to ligation.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Cheung, J., Beasley, F.C., Liu, S., Lajoie, G.A. and Heinrichs, D.E. Molecular characterization of staphyloferrin B biosynthesis in Staphylococcus aureus. Mol. Microbiol. 74 (2009) 594–608. [PMID: 19775248]
[EC 6.3.2.55 created 2019]
 
 


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