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dcsD

Gene
dcsD
Protein
O-ureido-L-serine synthase
Organism
Streptomyces lavendulae
Length
324 amino acids
Function
Involved in the biosynthesis of the antibiotic D-cycloserine (DCS), a cyclic structural analog of D-alanine, used as an antitubercular agent. Catalyzes the addition of hydroxyurea on O-acetyl-L-serine (OAS) to yield O-ureido-L-serine. It prefers sulfide as the second substrate, followed by hydroxyurea, L-homocysteine, and thiosulfate.
Similarity
Belongs to the cysteine synthase/cystathionine beta-synthase family.
Mass
34.592 kDa
Sequence
MPLFNSILDTIGRTPIVRLQRMAPEHTSVYVKVESFNPGGSVKDRLALSVVLDAEAKGLLKPGDTIVECTSGNVGIALAMVAAARGYRFVAVMGDTYSVERRKLIRAYGGKLVLFPGHLGSKGGNLIADELAEKYGWFRARQFDNPANPSYHRETTASEILADFAGKRLDHFVTGFGTTGTLTGVGQMLRVARPEVRVVALEPSNAAMLARGEWSPHQIQGLAPNFVPGVLDRSVIDDLVTMDEVTARDTSRRLAAEEGIFAGISAGATVATALSIAEHAPEGTVLLAMLPDTGERYLSTFLFDGVDEGSDDAWLASLDTGSGL

Gene
dcsD
Protein
O-ureido-L-serine synthase
Organism
Streptomyces lavendulae
Length
324 amino acids
Function
Involved in the biosynthesis of the antibiotic D-cycloserine (DCS), a cyclic structural analog of D-alanine, used as an antitubercular agent. Catalyzes the addition of hydroxyurea on O-acetyl-L-serine (OAS) to yield O-ureido-L-serine. It prefers sulfide as the second substrate, followed by hydroxyurea, L-homocysteine, and thiosulfate.
Similarity
Belongs to the cysteine synthase/cystathionine beta-synthase family.
Mass
34.592 kDa
Sequence
MPLFNSILDTIGRTPIVRLQRMAPEHTSVYVKVESFNPGGSVKDRLALSVVLDAEAKGLLKPGDTIVECTSGNVGIALAMVAAARGYRFVAVMGDTYSVERRKLIRAYGGKLVLFPGHLGSKGGNLIADELAEKYGWFRARQFDNPANPSYHRETTASEILADFAGKRLDHFVTGFGTTGTLTGVGQMLRVARPEVRVVALEPSNAAMLARGEWSPHQIQGLAPNFVPGVLDRSVIDDLVTMDEVTARDTSRRLAAEEGIFAGISAGATVATALSIAEHAPEGTVLLAMLPDTGERYLSTFLFDGVDEGSDDAWLASLDTGSGL