The Enzyme Database

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EC 1.5.1.51     
Accepted name: N-[(2S)-2-amino-2-carboxyethyl]-L-glutamate dehydrogenase
Reaction: N-[(2S)-2-amino-2-carboxyethyl]-L-glutamate + NAD+ + H2O = 2-oxoglutarate + L-2,3-diaminopropanoate + NADH + H+
Other name(s): SbnB
Systematic name: N-[(2S)-2-amino-2-carboxyethyl]-L-glutamate:NAD+ dehydrogenase (L-2,3-diaminopropanoate-forming)
Comments: The enzyme, characterized from the bacterium Staphylococcus aureus, is involved in the biosynthesis of the siderophore staphyloferrin B.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Beasley, F.C., Cheung, J. and Heinrichs, D.E. Mutation of L-2,3-diaminopropionic acid synthase genes blocks staphyloferrin B synthesis in Staphylococcus aureus. BMC Microbiol. 11:199 (2011). [DOI] [PMID: 21906287]
2.  Kobylarz, M.J., Grigg, J.C., Takayama, S.J., Rai, D.K., Heinrichs, D.E. and Murphy, M.E. Synthesis of L-2,3-diaminopropionic acid, a siderophore and antibiotic precursor. Chem. Biol. 21 (2014) 379–388. [DOI] [PMID: 24485762]
[EC 1.5.1.51 created 2017]
 
 
EC 2.3.1.58     
Accepted name: 2,3-diaminopropionate N-oxalyltransferase
Reaction: oxalyl-CoA + L-2,3-diaminopropanoate = CoA + N3-oxalyl-L-2,3-diaminopropanoate
For diagram of O3-Acetyl-L-serine metabolism, click here
Other name(s): oxalyldiaminopropionate synthase; ODAP synthase; oxalyl-CoA:L-α,β-diaminopropionic acid oxalyltransferase; oxalyldiaminopropionic synthase; oxalyl-CoA:L-2,3-diaminopropanoate 3-N-oxalyltransferase
Systematic name: oxalyl-CoA:L-2,3-diaminopropanoate N3-oxalyltransferase
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 62213-48-3
References:
1.  Malathi, K., Padmanaban, G. and Sarma, P.S. Biosynthesis of β-N-oxalyl-L-α,β-diaminopropionic acid, the Lathyrus sativus neurotoxin. Phytochemistry 9 (1970) 1603–1610.
[EC 2.3.1.58 created 1976]
 
 
EC 2.7.1.225     
Accepted name: L-serine kinase (ATP)
Reaction: ATP + L-serine = ADP + O-phospho-L-serine
Other name(s): sbnI (gene name)
Systematic name: ATP:L-serine 3-phosphotransferase
Comments: The enzyme, characterized from the bacterium Staphylococcus aureus, is involved in the biosynthesis of L-2,3-diaminopropanoate, which is used by that organism as a precursor for the biosynthesis of the siderophore staphyloferrin B.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Verstraete, M.M., Perez-Borrajero, C., Brown, K.L., Heinrichs, D.E. and Murphy, M.EP. SbnI is a free serine kinase that generates O -phospho-l-serine for staphyloferrin B biosynthesis in Staphylococcus aureus. J. Biol. Chem. 293 (2018) 6147–6160. [PMID: 29483190]
[EC 2.7.1.225 created 2019]
 
 
EC 6.3.2.46     
Accepted name: fumarate—(S)-2,3-diaminopropanoate ligase
Reaction: ATP + fumarate + L-2,3-diaminopropanoate = AMP + diphosphate + N3-fumaroyl-L-2,3-diaminopropanoate
Glossary: N3-fumaroyl-L-2,3-diaminopropanoate = (2E)-4-{[(2S)-2-amino-2-carboxyethyl]amino}-4-oxobut-2-enoate
L-2,3-diaminopropanoate = (S)-2,3-diaminopropanoate
Other name(s): DdaG; fumarate:(S)-2,3-diaminopropanoate ligase (AMP-forming)
Systematic name: fumarate:L-2,3-diaminopropanoate ligase (AMP-forming)
Comments: The enzyme, characterized from the bacterium Enterobacter agglomerans, is involved in biosynthesis of dapdiamide tripeptide antibiotics, a family of fumaramoyl- and epoxysuccinamoyl-peptides named for the presence of an L-2,3-diaminopropanoate (DAP) moiety and two amide linkages in their scaffold.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Hollenhorst, M.A., Clardy, J. and Walsh, C.T. The ATP-dependent amide ligases DdaG and DdaF assemble the fumaramoyl-dipeptide scaffold of the dapdiamide antibiotics. Biochemistry 48 (2009) 10467–10472. [DOI] [PMID: 19807062]
[EC 6.3.2.46 created 2015]
 
 
EC 6.3.2.54     
Accepted name: L-2,3-diaminopropanoate—citrate ligase
Reaction: ATP + L-2,3-diaminopropanoate + citrate = AMP + diphosphate + 2-[(L-alanin-3-ylcarbamoyl)methyl]-2-hydroxybutanedioate
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): sbnE (gene name); 2-[(L-alanin-3-ylcarbamoyl)methyl]-2-hydroxybutanedioate synthtase
Systematic name: L-2,3-diaminopropanoate:citrate ligase (2-[(L-alanin-3-ylcarbamoyl)methyl]-2-hydroxybutanedioate-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 A nonribosomal peptide synthase-independent synthases (NIS). Type A NIS enzymes are responsible for the formation of amide or ester bonds between polyamines or amino alcohols and a prochiral carboxyl group of citrate. The enzyme forms a citrate adenylate intermediate prior to ligation.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Dale, S.E., Doherty-Kirby, A., Lajoie, G. and Heinrichs, D.E. Role of siderophore biosynthesis in virulence of Staphylococcus aureus: identification and characterization of genes involved in production of a siderophore. Infect. Immun. 72 (2004) 29–37. [PMID: 14688077]
2.  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 6.3.2.54 created 2019]
 
 
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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