2,1-fructan:2,1-fructan 1-fructosyltransferase

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1,2-beta-fructan 1F-fructosyltransferase
Identifiers
EC number 2.4.1.100
CAS number 73379-55-2
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO

In enzymology, a 2,1-fructan:2,1-fructan 1-fructosyltransferase (EC 2.4.1.100) is an enzyme that catalyzes the chemical reaction

[beta-D-fructosyl-(2->1)-]m + [beta-D-fructosyl-(2->1)-]n [beta-D-fructosyl-(2->1)-]m-1 + [beta-D-fructosyl-(2->1)-]n+1

Thus, the two substrates of this enzyme are [[[beta-D-fructosyl-(2->1)-]]m]] and [[beta-D-fructosyl-(2->1)-]]n]], whereas its two products are [[beta-D-fructosyl-(2->1)-]]m-1]] and [[beta-D-fructosyl-(2->1)-]]n+1]].

This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases, the systematic name of this enzyme class is 2,1-beta-D-fructan:2,1-beta-D-fructan 1-beta-D-fructosyltransferase. Other names in common use include 1,2-beta-D-fructan 1F-fructosyltransferase, fructan:fructan fructosyl transferase, FFT, 1,2-beta-fructan 1F-fructosyltransferase, 1,2-beta-D-fructan:1,2-beta-D-fructan, 1F-beta-D-fructosyltransferase, and fructan:fructan 1-fructosyl transferase.

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