The Enzyme Database

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EC 2.4.1.230     
Accepted name: kojibiose phosphorylase
Reaction: 2-α-D-glucosyl-D-glucose + phosphate = D-glucose + β-D-glucose 1-phosphate
Systematic name: 2-α-D-glucosyl-D-glucose:phosphate β-D-glucosyltransferase
Comments: The enzyme from Thermoanaerobacter brockii can act with α-1,2-oligoglucans, such as selaginose, as substrate, but more slowly. The enzyme is inactive when dissaccharides with linkages other than α-1,2 linkages, such as sophorose, trehalose, neotrehalose, nigerose, laminaribiose, maltose, cellobiose, isomaltose, gentiobiose, sucrose and lactose, are used as substrates.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 206566-36-1
References:
1.  Chaen, H., Yamamoto, T., Nishimoto, T., Nakada, T., Fukuda, S., Sugimoto, T., Kurimoto, M. and Tsujisaka, Y. Purification and characterization of a novel phosphorylase, kojibiose phosphorylase, from Thermoanaerobium brockii. J. Appl. Glycosci. 46 (1999) 423–429.
2.  Chaen, H., Nishimoto, T., Nakada, T., Fukuda, S., Kurimoto, M. and Tsujisaka, Y. Enzymatic synthesis of kojioligosaccharides using kojibiose phosphorylase. J. Biosci. Bioeng. 92 (2001) 177–182. [PMID: 16233080]
[EC 2.4.1.230 created 2003]
 
 


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