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Information on EC 2.7.11.17 - Ca2+/calmodulin-dependent protein kinase

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EC Tree
IUBMB Comments
Requires calmodulin and Ca2+ for activity. A wide range of proteins can act as acceptor, including vimentin, synapsin, glycogen synthase, myosin light chains and the microtubule-associated tau protein. Not identical with EC 2.7.11.18 (myosin-light-chain kinase) or EC 2.7.11.26 (tau-protein kinase).
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This record set is specific for:
UNIPROT: Q9UQM7
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Word Map
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Reaction Schemes
+
a [protein]-(L-serine/L-threonine)
=
+
a [protein]-(L-serine/L-threonine) phosphate
Synonyms
caldesmon, cam kinase ii, camkiv, cam kinase, calcium/calmodulin-dependent protein kinase ii, calmodulin-dependent protein kinase, camkk2, calcium/calmodulin-dependent protein kinase, ca2+/calmodulin-dependent protein kinase, camk ii, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
calcium/calmodulin-dependent protein kinase type II alpha chain
-
CaMK IIalpha
-
CAKI
-
-
-
-
caldesmon
-
-
-
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Calspermin
-
-
-
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CAM kinase-GR
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-
-
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CMPK
-
-
-
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kinase, caldesmon (phosphorylating)
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-
-
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kinase, microtubule-associated protein 2 (phosphorylating)
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-
-
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MAP kinase
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-
-
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MAP-2 kinase
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-
-
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MAP-2 protein serine kinase
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-
-
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microtubule associated protein kinase
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-
-
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microtubule-associated protein 2 kinase
-
-
-
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peripheral plasma membrane protein CaMGUK
-
-
-
-
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
ATP + a [protein]-(L-serine/L-threonine) = ADP + a [protein]-(L-serine/L-threonine) phosphate
show the reaction diagram
sequential reaction mechanism in which all substrates bind to enzyme before any product is released. Binding of phospholamban to the enzyme decreases the affinity of the enzyme toward ATP
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
phospho group transfer
-
-
-
-
SYSTEMATIC NAME
IUBMB Comments
ATP:protein phosphotransferase (Ca2+/calmodulin-dependent)
Requires calmodulin and Ca2+ for activity. A wide range of proteins can act as acceptor, including vimentin, synapsin, glycogen synthase, myosin light chains and the microtubule-associated tau protein. Not identical with EC 2.7.11.18 (myosin-light-chain kinase) or EC 2.7.11.26 (tau-protein kinase).
CAS REGISTRY NUMBER
COMMENTARY hide
141467-21-2
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93229-57-3
-
97350-82-8
-
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
ATP + biotinylated Thr-Arg-Ser-Ala-Ile-Arg-Arg-Ala-Ser-Thr-Ile-Glu-Met-Pro-Gln-Gln-Ala-Arg-Gln
ADP + biotinylated Thr-Arg-Ser-Ala-Ile-Arg-Arg-Ala-Ser-phospho-Thr-Ile-Glu-Met-Pro-Gln-Gln-Ala-Arg-Gln
show the reaction diagram
biotinylated phospholamban Thr17 peptide substrate
-
-
?
ATP + phospholamban
ADP + phosphorylated phospholamban
show the reaction diagram
-
-
-
?
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 + phospholamban
ADP + phosphorylated phospholamban
show the reaction diagram
-
-
-
?
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Ca2+
Ca2+/calmodulin-dependent
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
ADP
product inhibition is best fit with an Ordered Bi Bi mechanism in which phospholamban is the first substrate to bind and ADP is the last product to be released. Competitive inhibition versus ATP, uncompetitive inhibition versus phospholamban, isoenzyme CaMK IIalpha
biotinylated Thr-Arg-Ser-Ala-Ile-Arg-Arg-Ala-Ser-Thr-Ile-Glu-Met-Pro-Gln-Gln-Ala-Arg-Gln
product inhibition is best fit with an Ordered Bi Bi mechanism in which phospholamban is the first substrate to bind and ADP is the last product to be released. Competitive inhibition versus phospholamban and ATP, isoenzyme CaMK IIalpha
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.0071
ATP
pH 7.6, 25°C, isoenzyme CaMK IIalpha
0.0097
biotinylated Thr-Arg-Ser-Ala-Ile-Arg-Arg-Ala-Ser-Thr-Ile-Glu-Met-Pro-Gln-Gln-Ala-Arg-Gln
pH 7.6, 25°C, isoenzyme CaMK IIalpha
TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
1.2
ATP
pH 7.6, 25°C, isoenzyme CaMK IIalpha
1.2
biotinylated Thr-Arg-Ser-Ala-Ile-Arg-Arg-Ala-Ser-Thr-Ile-Glu-Met-Pro-Gln-Gln-Ala-Arg-Gln
pH 7.6, 25°C, isoenzyme CaMK IIalpha
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
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?
KCC2A_HUMAN
478
0
54088
Swiss-Prot
other Location (Reliability: 2)
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Boeckmann, B.; Bairoch, A.; Apweiler, R.; Blatter, M.C.; Estreicher, A.; Gasteiger, E.; Martin M.J.; Michoud, K.; O'Donovan, C.; Phan, I.; Pilbout, S.; Schneider, M.
The SWISS-PROT protein knowledgebase and its supplement TrEMBL
Nucleic Acids Res.
31
365-370
2003
Homo sapiens (Q13554), Homo sapiens (Q9UQM7), Metarhizium anisopliae (O14408), Mus musculus (Q923T9)
Manually annotated by BRENDA team
Huynh, Q.K.; Pagratis, N.
Kinetic mechanisms of Ca++/calmodulin dependent protein kinases
Arch. Biochem. Biophys.
506
130-136
2011
Homo sapiens (Q13554), Homo sapiens (Q13555), Homo sapiens (Q13557), Homo sapiens (Q9UQM7)
Manually annotated by BRENDA team