IUBMB Enzyme Nomenclature

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

For diagram click here.

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.

[EC 2.4.1.230 created 2003]


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