2.4.1.243: 6G-fructosyltransferase

This is an abbreviated version!
For detailed information about 6G-fructosyltransferase, go to the full flat file.

Word Map on EC 2.4.1.243

2.4.1.243

fructans

onion

fructosyltransferases

invertases

1-kestose

sucrose:sucrose

fructose

vacuolar

lolium

perenne

perennial

inulin

ryegrass

pichia

6-fructosyltransferase

polymerization

fructooligosaccharides

grass

sucrose:fructan

sheaths

sucrose-binding

exohydrolase

officinalis

asparagus

blades

cool-season

agave

sink-source

forage

tequilana

agriculture

neokestose

beta-fructosidase

Reaction

[1-beta-D-fructofuranosyl-(2->1)-]m+1 alpha-D-glucopyranoside

[1-beta-D-fructofuranosyl-(2->1)-]n alpha-D-glucopyranoside

[1-beta-D-fructofuranosyl-(2->1)-]m alpha-D-glucopyranoside

[1-beta-D-fructofuranosyl-(2->1)-]n beta-D-fructofuranosyl-(2->6)-alpha-D-glucopyranoside

Synonyms

6(G)-fructosyltransferase/2,1-fructan:2,1-fructan 1-fructosyltransferase, 6G-FFT, 6G-FFT/1-FFT, 6G-FFT1, 6G-FFT2, AoFT1, Atq6G-FFT-1, Atq6G-FFT-2, fructan-fructan 6G-fructosyltransferase, fructan: fructan 6G-fructosyltransferase, fructan:fructan 6G-fructosyltransferase, fructan:fructan 6G-fructosyltransferase/fructan:fructan 1-fructosyltransferase

ECTree

2 Transferases

2.4 Glycosyltransferases

2.4.1 Hexosyltransferases

2.4.1.243 6G-fructosyltransferase

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Results	in table
5	Activating Compound
13	AA Sequence
1	Application
1	CAS Registry Number
6	Cloned(Commentary)
1	Expression
6	General Information
1	General Stability
9	Inhibitors
2	KM Value [mM]
1	Localization
7	Molecular Weight [Da]
5	Natural Substrates/ Products (Substrates)
28	Organism
4	pH Optimum
2	pH Range
3	pH Stability
3	pI Value
3	Posttranslational Modification
12	Protein Variants
4	Purification (Commentary)
1	Reaction
26	Reference
18	Source Tissue
2	Specific Activity [micromol/min/mg]
42	Substrates and Products (Substrate)
8	Subunits
35	Synonyms
1	Systematic Name
2	Temperature Optimum [°C]
1	Temperature Range [°C]
4	Temperature Stability [°C]

Systematic Name

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Systematic Name on EC 2.4.1.243 - 6G-fructosyltransferase

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1F-oligo[beta-D-fructofuranosyl-(2->1)-]sucrose 6G-beta-D-fructotransferase

Inulins are polysaccharides consisting of linear or branched D-fructofuranosyl chains attached to the fructosyl residue of sucrose by a beta(2->1) linkage. This enzyme catalyses the transfer of the terminal (2->1)-linked -D-fructosyl group of an inulin chain onto O-6 position of the glucose residue of another inulin molecule [1]. For example, if 1-kestose [1F-(beta-D-fructofuranosyl)sucrose] is both the donor and recipient in the reaction shown above, i.e., if m = 1 and n = 1, then the products will be sucrose and 6G-di-beta-D-fructofuranosylsucrose. In this notation, the superscripts F and G are used to specify whether the fructose or glucose residue of the sucrose carries the substituent. Alternatively, this may be indicated by the presence and/or absence of primes (see {iupac/2carb/36#362::http://www.chem.qmul.ac.uk/iupac/2carb/36.html#362}). Sucrose cannot be a donor substrate in the reaction (i.e. m cannot be zero) and inulin cannot act as an acceptor. Side reactions catalysed are transfer of a beta-D-fructosyl group between compounds of the structure 1F-(1-beta-D-fructofuranosyl)m-6G-(1-beta-D-fructofuranosyl)n sucrose, where m >= 0 and n = 1 for the donor, and m >= 0 and n >= 0 for the acceptor.