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Information on EC 3.2.1.26 - beta-fructofuranosidase and Organism(s) Oryza sativa and UniProt Accession Q01IS7
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3.2.1.26 beta-fructofuranosidaseIUBMB Comments
Substrates include sucrose; also catalyses fructotransferase reactions.
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Word Map
- 3.2.1.26
- maltase
- fructose
- border
-
brush
- disaccharidase
- starch
- mucosal
- jejunal
- urease
- villus
- catalase
- enterocytes
-
crypt
- aminopeptidase
-
sink
- biomass
- ileum
- potato
- amylase
- trehalase
- isomaltase
- apoplastic
- inulin
- fructans
-
brush-border
- alpha-glucosidase
-
suckling
- raffinose
- glucoamylase
- tuber
- duodenum
- bowel
-
rhizosphere
- phloem
- cellulase
- hexoses
- levan
- fructosyltransferase
-
small-intestinal
- acarbose
- fructooligosaccharides
- molasses
- fructokinase
-
carbohydrases
- microvillus
- inulinase
- synthesis
- stachyose
- nutrition
- biochars
- food industry
- industry
- agriculture
- pharmacology
- analysis
- biofuel production
-
photosynthate
- adp-glucose
The taxonomic range for the selected organisms is: Oryza sativa
The enzyme appears in selected viruses and cellular organisms
The enzyme appears in selected viruses and cellular organisms
Reaction Schemes
Synonyms
invertase, sucrase, acid invertase, vacuolar invertase, cell wall invertase, yeast invertase, beta-fructofuranosidase, neutral invertase, beta-fructosidase, soluble acid invertase, 
more
topSYNONYM 
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
acid invertase
Acid sucrose-6-phosphate hydrolase
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alkaline invertase
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beta-FFase
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beta-fructofuranosidase
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beta-fructosidase
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beta-h-fructosidase
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cell-wall invertase
fructofuranosidase, beta-
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fructosylinvertase
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glucosucrase
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invertase
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Invertase E1
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-
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invertin
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maxinvert L 1000
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-
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Protein B46
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-
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saccharase
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sucrase
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Sucrase E1
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Sucrose-6-phosphate hydrolase
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Vacuolar invertase
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acid invertase
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
hydrolysis
hydrolysis of O-glycosyl bond
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PATHWAY SOURCE
PATHWAYS
BRENDA
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-, -, -
SYSTEMATIC NAME
IUBMB Comments
beta-D-fructofuranoside fructohydrolase
Substrates include sucrose; also catalyses fructotransferase reactions.
CAS REGISTRY NUMBER
COMMENTARY
9001-57-4
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SUBSTRATE
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
sucrose + H2O
D-fructose + D-glucose
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involved in root cell development and reproductivity in rice
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-
?
sucrose + H2O
D-fructose + D-glucose
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1% sucrose, 50 mM potassium phosphate, pH 7, 37 degrees Celsius, 30 min
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-
?
additional information
?
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cell-wall invertase isozymes CIN1-9 play an important role in carbon allocation to developing organs, and respond to rapidly to water deficit in antheres and and peduncles and through a reduction in sink strength help to coordinate a delay in anthesis and heading, their expression is affected by water and temperature stress, overview
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-
?
additional information
?
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-
the isozymes play important roles in plant development, enzyme regulation, overview
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-
?
NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
sucrose + H2O
D-fructose + D-glucose
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involved in root cell development and reproductivity in rice
-
-
?
additional information
?
-
-
cell-wall invertase isozymes CIN1-9 play an important role in carbon allocation to developing organs, and respond to rapidly to water deficit in antheres and and peduncles and through a reduction in sink strength help to coordinate a delay in anthesis and heading, their expression is affected by water and temperature stress, overview
-
-
?
additional information
?
-
-
the isozymes play important roles in plant development, enzyme regulation, overview
-
-
?
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
additional information
-
sucrose specifically suppresses the expression of acid invertase Cin5
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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
additional information
-
plant hormones abscisic acid and gibberellic acid induce cell wall isozyme CIN2 in peduncles, drought stress highly induces the cell wall-bound isozyme CIN2 7fold, and the vacuolar isozyme VIN2
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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
additional information
-
mutant with 11.4% reduced neutral invertase activity compared to wild-type, with higher sucrose and lower glucose (-10% in leaves, -22% in roots) and fructose (-12% in leaves, -21% in roots) contents in 14-day-old mutant plants than in wild-type, part of the mutant phenotype is due to glucose deficit, mutant morphology phenotype is not fully expressed in 3% glucose medium
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
pI VALUE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
ORGANISM
COMMENTARY
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
SOURCE
in the coat weak expression of OsCIN2, in the embryo strong expression of OsCIN2, in the endosperm strong expression of OsCIN2
in the anther strong expression of OsCIN2, in the ovary strong expression of OsCIN2, in the caryopsis day 4 strong expression of OsCIN2 (strong in vascular parenchyma of chalazal vein, weak in cross-cells, nucellar tissue, endosperm, and lateral vein, and not in pericarp), in the caryopsis day 7 strong expression of OsCIN2 (strong in vascular parenchyma of chalazal vein xylem and aleurone layer, weak in vascular parenchyma of chalazal vein phloem, cross-cells, nucellar projection, inner endosperm, very weakly in pericarp and nucellar epidermis), in the caryopsis day 15 very middle strong expression of OsCIN2, in the caryopsis day 25 almost no expression of OsCIN2
in the shoot weak expression of OsCIN2, in the root weak expression of OsCIN2, in the sink leaf blade strong expression of OsCIN2, in the source leaf blade no expression of OsCIN2, in the leaf sheath no expression of OsCIN2, in the internode strong expression of OsCIN2
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cell-wall invertase isozymes CIN1-3, 5, and 8, high expression level of CIN2, plant hormones abscisic acid and gibberellic acid induce cell wall isozyme CIN2 in peduncles antagonizing both peduncle elongation and maintenance of CIN2 transcript levels
additional information
-
tissue-specific expression of isozymes at flowering and during drought or heat stress, overview
in the coat barely visible expression of OsCIN3, in the embryo very strong expression of OsCIN3, in the endosperm weak expression of OsCIN3
in the coat strong expression of OsCIN1, in the embryo barely visible expression of OsCIN1, in the endosperm no expression of OsCIN1
in the anther very strong expression of OsCIN3, in the ovary strong expression of OsCIN3, in the caryopsis day 4 strong expression of OsCIN3 (strong in vascular parenchyma of chalazal vein phloem, cross-cells, nucellar epidermis, endosperm, and lateral vein, weak in vascular parenchyma of chalazal vein xylem, nucellar projection, nucellus, and pericarp), in the caryopsis day 7 strong expression of OsCIN3 (strong in vascular parenchyma of chalazal phloem and aleurone layer, weak in vascular parenchyma of chalazal vein, cross-cells, nucellar projection, epidermis, and endosperm), in the caryopsis day 15 very weak expression of OsCIN3, in the caryopsis day 25 almost no expression of OsCIN3
in the anther weak expression of OsCIN1, in the ovary strong expression of OsCIN1, in the caryopsis day 4 strong expression of OsCIN1, in the caryopsis day 7 strong expression of OsCIN1, in the caryopsis day 15 very weak expression of OsCIN1, and in the caryopsis day 25 almost no expression of OsCIN1
OsCIN3 is more constitutively expressed in all sink and source tissues
strong expression of OsCIN1 (sink and source tissues)
in the shoot strong expression of OsCIN1, in the root strong expression of OsCIN1, in the sink leaf blade strong expression of OsCIN1, in the source leaf blade weak expression of OsCIN1, in the leaf sheath weak expression of OsCIN1, in the internode weak expression of OsCIN1
in the shoot strong expression of OsCIN3, in the root strong expression of OsCIN3, in the sink leaf blade very strong expression of OsCIN3, in the source leaf blade strong expression of OsCIN3, in the leaf sheath strong expression of OsCIN3, in the internode strong expression of OsCIN3
LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY
GeneOntology No.
LITERATURE
SOURCE
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
POSTTRANSLATIONAL MODIFICATION
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
additional information
-
the amino acid sequence contains four potential N-linked glycosylation sites
PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
R205G
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mutant Oscyt-inv1 shows abnormal phenotypes with short primary, adventitious, and lateral roots (reduced cell lengths, disarray of cells but radial pattern conserved), floral transition delay, low seed setting rate, low pollen fertility
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
mutant gene amplification with phage P1-derived artificial chromosome clone P0451A10 for sequencing
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APPLICATION
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
agriculture
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cell wall isozyme CIN2 and the abscisic acid antagonism is a potential intervention point for breeding exsertion during or after drought stress at heading
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Fu, R.H.; Wang, Y.L.; Sung, H.Y.
Cloning, characterization and functional expression of a new beta-D-fructofuranosidase (Osbetafruct2) cDNA from Oryza sativa
Biotechnol. Lett.
25
455-459
2003
Oryza sativa
Fotopoulos, V.
Plant invertases: structure, function and regulation of a diverse enzyme family
J. Biol. Res.
4
127-137
2005
Arabidopsis thaliana, Carica papaya, Oxybasis rubra, Daucus carota, Solanum pimpinellifolium, Oryza sativa, Solanum tuberosum, Solanum lycopersicum (P29000), Zea mays (P49175), Nicotiana tabacum (Q43799), Pisum sativum (Q8L897)
-
Ji, X.M.; Raveendran, M.; Oane, R.; Ismail, A.; Lafitte, R.; Bruskiewich, R.; Cheng, S.H.; Bennett, J.
Tissue-specific expression and drought responsiveness of cell-wall invertase genes of rice at flowering
Plant Mol. Biol.
59
945-964
2005
Oryza sativa
Wang, Y.Q.; Wei, X.L.; Xu, H.L.; Chai, C.L.; Meng, K.; Zhai, H.L.; Sun, A.J.; Peng, Y.G.; Wu, B.; Xiao, G.F.; Zhu, Z.
Cell-wall invertases from rice are differentially expressed in Caryopsis during the grain filling stage
J. Integr. Plant Biol.
50
466-474
2008
Oryza sativa (A2X5P7), Oryza sativa (Q01IS7), Oryza sativa (Q01IS8), Oryza sativa
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