The Enzyme Database

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Accepted name: α-(1→3) branching sucrase
Reaction: sucrose + a (1→6)-α-D-glucan = D-fructose + a (1→6)-α-D-glucan containing a (1→3)-α-D-glucose branch
Other name(s): branching sucrase A; BRS-A; brsA (gene name)
Systematic name: sucrose:(1→6)-α-D-glucan 3-α-D-[(1→3)-α-D-glucosyl]-transferase
Comments: The enzyme from Leuconostoc spp. is responsible for producing α-(1→3) branches in α-(1→6) glucans by transferring the glucose residue from fructose to a 3-hydroxyl group of a glucan.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Vuillemin, M., Claverie, M., Brison, Y., Severac, E., Bondy, P., Morel, S., Monsan, P., Moulis, C. and Remaud-Simeon, M. Characterization of the first α-(1→3) branching sucrases of the GH70 family. J. Biol. Chem. 291 (2016) 7687–7702. [PMID: 26763236]
2.  Moulis, C., Andre, I. and Remaud-Simeon, M. GH13 amylosucrases and GH70 branching sucrases, atypical enzymes in their respective families. Cell. Mol. Life Sci. 73 (2016) 2661–2679. [PMID: 27141938]
[EC created 2019]

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