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Information on EC 2.7.1.17 - xylulokinase and Organism(s) Homo sapiens

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The taxonomic range for the selected organisms is: Homo sapiens
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
Synonyms
xk, xylulokinase, d-xylulokinase, d-xylulose kinase, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
D-xylulokinase
kinase (phosphorylating), xylulo
-
-
-
-
kinase, xylulo- (phosphorylating)
-
-
-
-
XK
-
-
-
-
xylokinase(phosphorylating)
-
-
-
-
xylulokinase
-
-
-
-
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
phospho group transfer
-
-
-
-
PATHWAY SOURCE
PATHWAYS
-
-, -, -
SYSTEMATIC NAME
IUBMB Comments
ATP:D-xylulose 5-phosphotransferase
-
CAS REGISTRY NUMBER
COMMENTARY hide
9030-58-4
-
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-xylulose
ADP + D-xylulose 5-phosphate
show the reaction diagram
additional information
?
-
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
5-deoxy-5-fluoro-D-xylulose
-
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.024
D-xylulose
in 50 mM NH4HCO3, pH 8.0, 10% (v/v) D2O, 10 mM MgCl2 at 25°C
TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
35
D-xylulose
in 50 mM NH4HCO3, pH 8.0, 10% (v/v) D2O, 10 mM MgCl2 at 25°C
kcat/KM VALUE [1/mMs-1]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
1500
D-xylulose
in 50 mM NH4HCO3, pH 8.0, 10% (v/v) D2O, 10 mM MgCl2 at 25°C
Ki VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.025
5-deoxy-5-fluoro-D-xylulose
in 50 mM NH4HCO3, pH 8.0, 10% (v/v) D2O, 10 mM MgCl2 at 25°C
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
metabolism
-
the enzyme catalyses the last step of the glucuronate-xylulose pathway
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
XYLB_HUMAN
536
0
58382
Swiss-Prot
other Location (Reliability: 2)
A0A3B3IRM4_HUMAN
555
0
60069
TrEMBL
other Location (Reliability: 3)
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
58400
-
x * 58400, calculated from amino acid sequence
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
?
-
x * 58400, calculated from amino acid sequence
CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
hanging drop vapor diffusion method, using 200 mM MES-KOH pH 6.0, 16% (w/v) PEG 6000
-
sitting drop vapor diffusion method, using 200 mM MES-KOH, pH 6.0, 16% (w/v) polyethylene glycol 6000, 0.3 mM NaN3
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
apo-enzyme and in complex with D-xylulose, ATP plus D-xylulose or 5-deoxy-5-fluoro-D-xylulose, nickel affinity column chromatography and Superdex 200 gel filtration
nickel affinity column chromatography and Superdex 200 gel filtration
-
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
expressed in Escherichia coli BL21(DE3) cells
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Bunker, R.D.; Dickson, J.M.; Caradoc-Davies, T.T.; Loomes, K.M.; Baker, E.N.
Use of a repetitive seeding protocol to obtain diffraction-quality crystals of a putative human D-xylulokinase
Acta Crystallogr. Sect. F
68
1259-1262
2012
Homo sapiens
Manually annotated by BRENDA team
Bunker, R.D.; Bulloch, E.M.; Dickson, J.M.; Loomes, K.M.; Baker, E.N.
Structure and function of human xylulokinase, an enzyme with important roles in carbohydrate metabolism
J. Biol. Chem.
288
1643-1652
2013
Homo sapiens (O75191), Homo sapiens
Manually annotated by BRENDA team