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Information on EC 2.7.11.13 - protein kinase C

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EC Tree
IUBMB Comments
A family of serine- and threonine-specific protein kinases that depend on lipids for activity. They can be activated by calcium but have a requirement for the second messenger diacylglycerol. Members of this group of enzymes phosphorylate a wide variety of protein targets and are known to be involved in diverse cell-signalling pathways. Members of the protein kinase C family also serve as major receptors for phorbol esters, a class of tumour promoters.
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This record set is specific for:
UNIPROT: P41743
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Word Map
The enzyme appears in viruses and cellular organisms
Reaction Schemes
+
a [protein]-(L-serine/L-threonine)
=
+
a [protein]-(L-serine/L-threonine) phosphate
Synonyms
protein kinase c, pkcalpha, pkc-alpha, pkc alpha, pkcepsilon, pkc-delta, pkczeta, pkc-epsilon, pkc delta, pkc-zeta, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
PKCiota/lambda
isozyme
protein kinase C, iota type
-
Calcium-dependent protein kinase C
-
-
-
-
epsilonPKC
-
-
-
-
PKC
-
-
-
-
protein kinase C
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-
-
-
protein kinase-C
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-
-
-
SYSTEMATIC NAME
IUBMB Comments
ATP:protein phosphotransferase (diacylglycerol-dependent)
A family of serine- and threonine-specific protein kinases that depend on lipids for activity. They can be activated by calcium but have a requirement for the second messenger diacylglycerol. Members of this group of enzymes phosphorylate a wide variety of protein targets and are known to be involved in diverse cell-signalling pathways. Members of the protein kinase C family also serve as major receptors for phorbol esters, a class of tumour promoters.
CAS REGISTRY NUMBER
COMMENTARY hide
141436-78-4
calcium-dependent protein kinase C
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
ATP + FKKQGSFAKKK
ADP + phosphorylated FKKQGSFAKKK
show the reaction diagram
highly specific substrate for isozyme PKCalpha relative to other isozymes, 60% phosphorylation rate with isozyme PKCalpha, less than 20% phosphorylation rate with other PKC isozymes
-
-
?
ATP + myelin basic protein
ADP + phosphorylated myelin basic protein
show the reaction diagram
-
-
-
?
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
additional information
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.0258
FKKQGSFAKKK
isozyme PKCiota/lambda, in 20 mM Tris-HCl, pH 7.5, 10 mM MgCl2, and 0.1 mM CaCl2, at 25°C
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
-
SwissProt
Manually annotated by BRENDA team
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
KPCI_HUMAN
596
0
68262
Swiss-Prot
other Location (Reliability: 3)
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
65000
x * 65000
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
?
x * 65000
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Mazzarella, R.; Ciccodicola, A.; Esposito, T.; Arcucci, A.; Migliaccio, C.; Jones, C.; Schlessinger, D.; D'Urso, M.; D'Esposito, M.
Human protein kinase C iota gene (PRKCI) is closely linked to the BTK gene in Xq21.3
Genomics
26
629-631
1995
Homo sapiens (P41743), Homo sapiens
Manually annotated by BRENDA team
Selbie, L.A.; Schmitz-Peiffer, C.; Sheng, Y.; Biden, T.J.
Molecular cloning and characterization of PKC iota, an atypical isoform of protein kinase C derived from insulin-secreting cells
J. Biol. Chem.
268
24296-24302
1993
Homo sapiens (P41743), Homo sapiens
Manually annotated by BRENDA team
Kang, J.H.; Asai, D.; Yamada, S.; Toita, R.; Oishi, J.; Mori, T.; Niidome, T.; Katayama, Y.
A short peptide is a protein kinase C (PKC) alpha-specific substrate
Proteomics
8
2006-2011
2008
Homo sapiens (P05129), Homo sapiens (P05771), Homo sapiens (P17252), Homo sapiens (P24723), Homo sapiens (P41743), Homo sapiens (Q02156), Homo sapiens (Q04759), Homo sapiens (Q05513), Homo sapiens (Q05655), Homo sapiens
Manually annotated by BRENDA team