The Enzyme Database

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EC 2.3.1.276     
Accepted name: galactosamine-1-phosphate N-acetyltransferase
Reaction: acetyl-CoA + α-D-galactosamine 1-phosphate = CoA + N-acetyl-α-D-galactosamine 1-phosphate
Other name(s): ST0452 (locus name)
Systematic name: acetyl-CoA:α-D-galactosamine-1-phosphate N-acetyltransferase
Comments: The enzyme, characterized from the archaeon Sulfolobus tokodaii, is also active toward α-D-glucosamine 1-phosphate (cf. EC 2.3.1.157, glucosamine-1-phosphate N-acetyltransferase). In addition, that enzyme contains a second domain that catalyses the activities of EC 2.7.7.23, UDP-N-acetylglucosamine diphosphorylase, EC 2.7.7.24, glucose-1-phosphate thymidylyltransferase, and EC 2.7.7.83, UDP-N-acetylgalactosamine diphosphorylase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Zhang, Z., Tsujimura, M., Akutsu, J., Sasaki, M., Tajima, H. and Kawarabayasi, Y. Identification of an extremely thermostable enzyme with dual sugar-1-phosphate nucleotidylyltransferase activities from an acidothermophilic archaeon, Sulfolobus tokodaii strain 7. J. Biol. Chem. 280 (2005) 9698–9705. [PMID: 15598657]
2.  Zhang, Z., Akutsu, J. and Kawarabayasi, Y. Identification of novel acetyltransferase activity on the thermostable protein ST0452 from Sulfolobus tokodaii strain 7. J. Bacteriol. 192 (2010) 3287–3293. [PMID: 20400541]
3.  Dadashipour, M., Iwamoto, M., Hossain, M.M., Akutsu, J.I., Zhang, Z. and Kawarabayasi, Y. Identification of a direct biosynthetic pathway for UDP-N-acetylgalactosamine from glucosamine-6-phosphate in thermophilic crenarchaeon Sulfolobus tokodaii. J. Bacteriol. 200 (2018) . [PMID: 29507091]
[EC 2.3.1.276 created 2018]
 
 


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