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Information on EC 2.7.1.4 - fructokinase and Organism(s) Solanum tuberosum and UniProt Accession P37829

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Solanum tuberosum
UNIPROT: P37829 not found.
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The taxonomic range for the selected organisms is: Solanum tuberosum
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
Synonyms
fk, fructokinase, mdfrk2, hore_18220, mdfrk1, putative fructokinase, vc-fk, atfrk6, atfrk7, d-fructokinase, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
FRK
terminology of subtypes
D-fructokinase
-
-
-
-
D-fructose(D-mannose)kinase
-
-
-
-
FK
-
-
-
-
kinase, fructo- (phosphorylating)
-
-
-
-
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
phospho group transfer
-
-
-
-
SYSTEMATIC NAME
IUBMB Comments
ATP:D-fructose 6-phosphotransferase
-
CAS REGISTRY NUMBER
COMMENTARY hide
9030-51-7
-
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
ATP + D-fructose
ADP + D-fructose 6-phosphate
show the reaction diagram
ATP + D-fructose
ADP + D-fructose 6-phosphate
show the reaction diagram
ATP + D-glucose
ADP + D-glucose 6-phosphate
show the reaction diagram
ATP + D-mannose
ADP + D-mannose 6-phosphate
show the reaction diagram
-
isoenzyme FK-I and FK-II low activity, less than 5% of D-fructose, FK-III no activity
-
-
?
CTP + D-fructose
CDP + D-fructose 6-phosphate
show the reaction diagram
-
-
-
-
?
GTP + D-fructose
GDP + D-fructose 6-phosphate
show the reaction diagram
UTP + D-fructose
UDP + D-fructose 6-phosphate
show the reaction diagram
-
-
-
-
?
additional information
?
-
NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
ATP + D-fructose
ADP + D-fructose 6-phosphate
show the reaction diagram
fructose metabolism
-
-
?
ATP + D-fructose
ADP + D-fructose 6-phosphate
show the reaction diagram
COFACTOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Cs+
-
no activation
K+
-
strong activation of isozyme FK-III, lower activation of FK-I and FK-II
Li+
-
weak activation of FK-I, no activation of FK-II and FK-III
Mg2+
-
maximal activation when total Mg2+ concentration is about 1.5 mM higher than the concentration of ATP
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
ADP
-
competitive to ATP
D-fructose
D-fructose 6-phosphate
-
-
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.025 - 0.279
ATP
0.156 - 0.268
CTP
0.041 - 1.14
D-fructose
0.132 - 0.251
GTP
0.228 - 0.321
UTP
Ki VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
5.7 - 21
D-fructose
1.3
D-fructose 6-phosphate
-
FK 1, pH 8
SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
7.8 - 8.5
-
-
pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
6.7 - 9.3
-
pH 6.7: about 50% of activity maximum, pH 9.3: about 60% of activity maximum
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
25
-
assay at
pI VALUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
4.8
-
three polypeptides, one-dimensional isoelectric focusing
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
-
high activity: isoenzyme FK3, very low activity: FK1, FK2
Manually annotated by BRENDA team
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
SCRK_SOLTU
319
0
33765
Swiss-Prot
Secretory Pathway (Reliability: 3)
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
102000
-
FK 1, gel filtration
105000
-
FK 1, gel filtration
118000
-
FK 1, gel filtration
36000
-
2 * 36000, SDS-PAGE
70000
-
gel filtration
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
dimer
-
2 * 36000, SDS-PAGE
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
3 forms: FK-I, FK-II and FK-III
-
FK1, FK2, FK3
-
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Renz, A.; Merlo, L.; Stitt, M.
Partial purification from potato tubers of three fructokinases and three hexokinases which show differing organ and developmental specificity
Planta
190
156-165
1993
Solanum tuberosum
-
Manually annotated by BRENDA team
Renz, A.; Stitt, M.
Substrate specificity and product inhibition of different forms of fructokinases and hexokinases in developing potato tubers
Planta
190
166-175
1993
Solanum tuberosum
-
Manually annotated by BRENDA team
Gardner, A.; Davies, H.V.; Burch, L.R.
Purification and properties of fructokinase from developing tubers of potato (Solanum tuberosum L.)
Plant Physiol.
100
178-183
1992
Solanum tuberosum
Manually annotated by BRENDA team
Dai, N.; Schaffer, A.; Petreikov, M.; Granot, D.
Potato (Solanum tuberosum L.) fructokinase expressed in yeast exhibits inhibition by fructose of both in vitro enzyme activity and rate of cell proliferation
Plant Sci.
128
191-197
1997
Solanum tuberosum
-
Manually annotated by BRENDA team
Pego, J.V.; Smeekens, S.C.
Plant fructokinases: a sweet family get-together
Trends Plant Sci.
5
531-536
2000
Arabidopsis thaliana, Persea americana, Camellia japonica, Gleditsia triacanthos, Hordeum vulgare, Lilium longiflorum, Solanum lycopersicum, Solanum lycopersicum (O04897), Solanum lycopersicum (Q42896), Pisum sativum, Spinacia oleracea, Zea mays, Solanum tuberosum (P37829), Beta vulgaris (Q42645)
Manually annotated by BRENDA team
Viola, R.
Hexose metabolism in disks excised from developing potato (Solanum tuberosum L.) tubers. II. Estimations of fluxes in vivo and evidence that fructokinase catalyzes a near rate-limiting reaction
Planta
198
186-196
1996
Solanum tuberosum
-
Manually annotated by BRENDA team
Davies, H.V.; Shepherd, L.V.; Burrell, M.M.; Carrari, F.; Urbanczyk-Wochniak, E.; Leisse, A.; Hancock, R.D.; Taylor, M.; Viola, R.; Ross, H.; McRae, D.; Willmitzer, L.; Fernie, A.R.
Modulation of fructokinase activity of potato (Solanum tuberosum) results in substantial shifts in tuber metabolism
Plant Cell Physiol.
46
1103-1115
2005
Solanum tuberosum (P37829), Solanum tuberosum
Manually annotated by BRENDA team