Information on EC 2.4.1.100 - 2,1-fructan:2,1-fructan 1-fructosyltransferase

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The expected taxonomic range for this enzyme is: Magnoliophyta

EC NUMBER
COMMENTARY
2.4.1.100
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RECOMMENDED NAME
GeneOntology No.
2,1-fructan:2,1-fructan 1-fructosyltransferase
REACTION
REACTION DIAGRAM
COMMENTARY
ORGANISM
UNIPROT ACCESSION NO.
LITERATURE
[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
show the reaction diagram
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[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
show the reaction diagram
ping-pong mechansim
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REACTION TYPE
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
hexosyl group transfer
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PATHWAY
KEGG Link
MetaCyc Link
fructan biosynthesis
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SYSTEMATIC NAME
IUBMB Comments
(2->1)-beta-D-fructan:(2->1)-beta-D-fructan 1-beta-D-fructosyltransferase
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SYNONYMS
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
1,2-beta-D-fructan:1,2-beta-D-fructan 1F-beta-D-fructosyltransferase
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1,2-beta-fructan 1F-fructosyltransferase
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1-FFT
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1-FFT
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1-FFT
Q0PCC9
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1-FFT
Q4AEI9
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6G-FFT/1-FFT
Q8S337
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FFT
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fructan:fructan 1-fructosyl transferase
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fructan:fructan 1-fructosyl transferase
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fructan:fructan 1-fructosyltransferase
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fructan:fructan 1-fructosyltransferase
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fructan:fructan 1-fructosyltransferase
Q4AEI9
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fructan:fructan 6G-fructosyltransferase/fructan:fructan 1-fructosyltransferase
Q8S337
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fructan:fructan fructosyl transferase
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fructosyltransferase, 1,2-beta-D-fructan 1F-
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high DP 1-FFT
Q0PCC9
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high DP fructan:fructan 1-fructosyl transferase
Q0PCC9
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high DP fructan:fructan 1-fructosyl transferase
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CAS REGISTRY NUMBER
COMMENTARY
73379-55-2
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ORGANISM
COMMENTARY
LITERATURE
SEQUENCE CODE
SEQUENCE DB
SOURCE
enzyme activity increases during first 14 weeks of storage of plant
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Manually annotated by BRENDA team
burdock
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Manually annotated by BRENDA team
strain HLA-7
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Manually annotated by BRENDA team
Asparagus officinalis HLA-7
strain HLA-7
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Manually annotated by BRENDA team
L. var. foliosum cv. Flash
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Manually annotated by BRENDA team
Helianthus tuberosus Colombia
Colombia
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Manually annotated by BRENDA team
perennial ryegrass
SwissProt
Manually annotated by BRENDA team
gaudin
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Manually annotated by BRENDA team
Polymnia sonchifolia
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Manually annotated by BRENDA team
Taraxacum officinale Weber
Weber
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Manually annotated by BRENDA team
bifunctional enzyme with additional activity of EC 2.4.1.99, expression in Saccharomyces cerevisisae
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Manually annotated by BRENDA team
Ki VALUE [mM]
Ki VALUE [mM] Maximum
INHIBITOR
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
IMAGE
15
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Sucrose
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POSTTRANSLATIONAL MODIFICATION
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
glycoprotein
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glycoprotein
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glycoprotein
Taraxacum officinale Weber
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GENERAL STABILITY
ORGANISM
UNIPROT ACCESSION NO.
LITERATURE
several attempts to purify 6G-FFT/1-FFT are unsuccessful, probably due to the instability of the enzyme and/or the rather low concentration in the yeast's expression medium
-, Q8S337
STORAGE STABILITY
ORGANISM
UNIPROT ACCESSION NO.
LITERATURE
1C, 8 weeks, an increase in 1-FFT activity is detected
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EXPRESSION
ORGANISM
UNIPROT ACCESSION NO.
LITERATURE
treatment with the calcium channel blocker LaCl3 prevents the induction of 1-FFT, the calmodulin antagonist W7 decreases the induction of 1-FFT, genistein and staurosporine reduce the expression of 1-FFT, endothal and cantharidin strongly repress the induction of 1-FFT in a very similar manner
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increasing the carbon availability by increasing the sucrose concentration from 3 to 6% (w/v) does not result in sustained 1-FFT induction, LY-294002 does not affect the induction of 1-FFT expression
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expression of 1-FFT is strongly induced upon transfer to high-carbon/low-nitrogen medium, limiting nitrogen supply by lowering KNO3 and (NH4)2SO4 concentrations to 5 and 0.2 mM, respectively, under an elevated sucrose concentration (6%), results in a strong increase in transcript level for 1-FFT, 1-FFT expression is transiently and only moderately induced during the first 24 h of cold exposure
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