2.4.1.125: sucrose-1,6-alpha-glucan 3(6)-alpha-glucosyltransferase

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For detailed information about sucrose-1,6-alpha-glucan 3(6)-alpha-glucosyltransferase, go to the full flat file.

Word Map on EC 2.4.1.125

2.4.1.125

streptococcus

glucans

sobrinus

mutans

water-insoluble

dextrans

sucrose-dependent

glucan-binding

sanguis

downei

primer-independent

alpha-1,6-linked

d-glucosyltransferases

leuconostoc

mesenteroides

dextransucrase

Reaction

(1->3)-alpha-D-glucosyl-[(1->6)-alpha-D-glucosyl]n

Synonyms

glucosyltransferase, sucrose-1,6-alpha-glucan 3(6)-alpha-, GTF-S, sucrose:1,6-, 1,3-alpha-D-glucan 3-alpha- and 6-alpha-D-glucosyltransferase, sucrose:1,6-alpha-D-glucan 3-alpha- and 6-alpha-glucosyltransferase, sucrose:1,6-alpha-glucan 3(6)-alpha-glucosyltransferase, water-soluble-glucan synthase

ECTree

2 Transferases

2.4 Glycosyltransferases

2.4.1 Hexosyltransferases

2.4.1.125 sucrose-1,6-alpha-glucan 3(6)-alpha-glucosyltransferase

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Results	in table
2	Activating Compound
1	CAS Registry Number
2	Cloned(Commentary)
2	Inhibitors
5	KM Value [mM]
5	Localization
6	Molecular Weight [Da]
8	Organism
4	pH Optimum
2	Posttranslational Modification
5	Purification (Commentary)
2	Reaction
1	Reaction Type
8	Reference
3	Source Tissue
4	Specific Activity [micromol/min/mg]
10	Substrates and Products (Substrate)
5	Subunits
6	Synonyms
1	Systematic Name
2	Temperature Optimum [°C]

Systematic Name

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Systematic Name on EC 2.4.1.125 - sucrose-1,6-alpha-glucan 3(6)-alpha-glucosyltransferase

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sucrose:(1->6)-alpha-D-glucan 3(6)-alpha-D-glucosyltransferase

The glucansucrases transfer a D-glucosyl residue from sucrose to a glucan chain. They are classified based on the linkage by which they attach the transferred residue. In some cases, in which the enzyme forms more than one linkage type, classification relies on the relative proportion of the linkages that are generated. This enzyme extends (1->6)-alpha-D-glucans by both alpha(1->3) and alpha(1->6) linkages, with one of the linkage types being dominant. cf. EC 2.4.1.140, alternansucrase.