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Information on EC 2.7.12.2 - mitogen-activated protein kinase kinase and Organism(s) Ustilago maydis and UniProt Accession Q99078

for references in articles please use BRENDA:EC2.7.12.2
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EC Tree
IUBMB Comments
This enzyme is a dual-specific protein kinase and requires mitogen-activated protein kinase kinase kinase (MAPKKK) for activation. It is required for activation of EC 2.7.11.24, mitogen-activated protein kinase. Phosphorylation of MEK1 by Raf involves phosphorylation of two serine residues . Mitogen-activated protein kinase (MAPK) signal transduction pathways are among the most widespread mechanisms of cellular regulation. Mammalian MAPK pathways can be recruited by a wide variety of stimuli including hormones (e.g. insulin and growth hormone), mitogens (e.g. epidermal growth factor and platelet-derived growth factor), vasoactive peptides (e.g. angiotensin-II and endothelin), inflammatory cytokines of the tumour necrosis factor (TNF) family and environmental stresses such as osmotic shock, ionizing radiation and ischaemic injury.
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Ustilago maydis
UNIPROT: Q99078
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The taxonomic range for the selected organisms is: Ustilago maydis
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria, Archaea
Reaction Schemes
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ATP
+
a [protein]-(L-serine/L-threonine)
=
ADP
+
a [protein]-(L-serine/L-threonine) phosphate
+
a [protein]-(L-serine/L-threonine)
=
+
a [protein]-(L-serine/L-threonine) phosphate
Synonyms
mek/erk, mitogen-activated protein kinase kinase, map kinase kinase, mapkk, mek-1, extracellular-signal-regulated kinase, mapk/erk kinase, map2k4, erk 1, mitogen-activated protein kinase kinase 1, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
dual specificity protein kinase FUZ7
-
SYSTEMATIC NAME
IUBMB Comments
ATP:protein phosphotransferase (MAPKKK-activated)
This enzyme is a dual-specific protein kinase and requires mitogen-activated protein kinase kinase kinase (MAPKKK) for activation. It is required for activation of EC 2.7.11.24, mitogen-activated protein kinase. Phosphorylation of MEK1 by Raf involves phosphorylation of two serine residues [5]. Mitogen-activated protein kinase (MAPK) signal transduction pathways are among the most widespread mechanisms of cellular regulation. Mammalian MAPK pathways can be recruited by a wide variety of stimuli including hormones (e.g. insulin and growth hormone), mitogens (e.g. epidermal growth factor and platelet-derived growth factor), vasoactive peptides (e.g. angiotensin-II and endothelin), inflammatory cytokines of the tumour necrosis factor (TNF) family and environmental stresses such as osmotic shock, ionizing radiation and ischaemic injury.
CAS REGISTRY NUMBER
COMMENTARY hide
142805-58-1
-
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
ATP + protein
ADP + phosphoprotein
show the reaction diagram
the enzyme is required for locus-dependent and locus-independent steps in the fungal life cycle. Necessary for locus-dependent processes, such as conjugation tube formation, filament formation, and maintenance of filamentous growth, and for locus-independent processes, such as tumor induction and teliospore germination
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-
?
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 + protein
ADP + phosphoprotein
show the reaction diagram
the enzyme is required for locus-dependent and locus-independent steps in the fungal life cycle. Necessary for locus-dependent processes, such as conjugation tube formation, filament formation, and maintenance of filamentous growth, and for locus-independent processes, such as tumor induction and teliospore germination
-
-
?
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
-
SwissProt
Manually annotated by BRENDA team
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Banuett, F.; Herskowitz, I.
Identification of fuz7, a Ustilago maydis MEK/MAPKK homolog required for a-locus-dependent and -independent steps in the fungal life cycle
Genes Dev.
8
1367-1378
1994
Ustilago maydis (Q99078), Ustilago maydis
Manually annotated by BRENDA team