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Information on EC 2.7.11.12 - cGMP-dependent protein kinase

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EC Tree
IUBMB Comments
CGMP is required to activate this enzyme. The enzyme occurs as a dimer in higher eukaryotes. The C-terminal region of each polypeptide chain contains the catalytic domain that includes the ATP and protein substrate binding sites. This domain catalyses the phosphorylation by ATP to specific serine or threonine residues in protein substrates . The enzyme also has two allosteric cGMP-binding sites (sites A and B). Binding of cGMP causes a conformational change that is associated with activation of the kinase .
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UNIPROT: Q13976
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Word Map
The expected taxonomic range for this enzyme is: Eukaryota, Archaea, Bacteria
Reaction Schemes
+
a [protein]-(L-serine/L-threonine)
=
+
a [protein]-(L-serine/L-threonine) phosphate
Synonyms
cgmp-dependent protein kinase, protein kinase g, cyclic gmp-dependent protein kinase, cgkii, pkg-i, cgmp kinase, prkg1, pkg ii, cgk ii, cgmp-dependent protein kinase i, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
cGKI alpha
isozyme
cGKI beta
isozyme
cGMP-dependent protein kinase 1, alpha isozyme
-
cGMP-dependent protein kinase 1, beta isozyme
-
cGMP-dependent protein kinase Ialpha
-
cGMP-dependent protein kinase Ib
-
cyclic GMP-dependent protein kinase
-
cyclic GMP-dependent protein kinase-1
-
PKG Ialpha
-
PKG Ibeta
-
type I beta isozyme of cGMP-dependent protein kinase
-
CGK
-
-
-
-
CGK 1 alpha
-
-
-
-
CGK 1 beta
-
-
-
-
CGKI-alpha
-
-
-
-
cGKI-beta
-
-
-
-
cGKII
-
-
-
-
cGMP-dependent protein kinase
-
-
-
-
Foraging protein
-
-
-
-
protein kinase G
-
-
-
-
Type II cGMP-dependent protein kinase
-
-
-
-
SYSTEMATIC NAME
IUBMB Comments
ATP:protein phosphotransferase (cGMP-dependent)
CGMP is required to activate this enzyme. The enzyme occurs as a dimer in higher eukaryotes. The C-terminal region of each polypeptide chain contains the catalytic domain that includes the ATP and protein substrate binding sites. This domain catalyses the phosphorylation by ATP to specific serine or threonine residues in protein substrates [3]. The enzyme also has two allosteric cGMP-binding sites (sites A and B). Binding of cGMP causes a conformational change that is associated with activation of the kinase [4].
CAS REGISTRY NUMBER
COMMENTARY hide
141588-27-4
-
141588-27-4
cGMP-dependent protein kinase
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
ATP + a protein
ADP + phosphorylated protein
show the reaction diagram
-
-
-
?
ATP + Kemptide
ADP + Kemptide 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 + a protein
ADP + phosphorylated protein
show the reaction diagram
-
-
-
?
ATP + Kemptide
ADP + Kemptide phosphate
show the reaction diagram
-
-
-
?
additional information
?
-
COFACTOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Mg2+
10 mM used in assay conditions
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
additional information
the R-diastereomer of the phosphorothioate analog of cGMP, Rp-cGMPS, inhibits enzyme isoform PKG I by stabilizing the inactive conformation of cyclic nucleotide-binding domain
-
ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
cGMP
activation constant (Ka) of 537 nM
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
KGP1_HUMAN
671
0
76364
Swiss-Prot
other Location (Reliability: 1)
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
76000
isozyme cGKI alpha, SDS-PAGE
77803
x * 77803, calculation from nucleotide sequence
78000
isozyme cGKI beta, SDS-PAGE
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
?
x * 77803, calculation from nucleotide sequence
homodimer
x-ray crystallography
CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
cGMP-dependent protein kinase Ib cyclic nucleotide-binding domain, hanging drop vapor diffusion method, using 0.8 M lithium sulfate monohydrate, 0.1 M sodium acetate trihydrate, pH 4.0, 4% (v/v) polyethylene glycol 200
hanging drop vapor diffusion method, using 40% (w/v) PEG 200, 200 mM lithium sulfate, and 0.1 mM tris base/hydrochloric acid (pH 8.5) at 22°C
PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
C42L
the mutant shows similar temperature factors, which are consistently lower than those of wild type dimers
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
nickel column chromatography and Superdex 75 gel filtration
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
characterization of the human gene encoding the type I alpha and type I beta cGMP-dependent protein kinase
expressed in Escherichia coli BL21(DE3) cells
APPLICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
medicine
downregulation of cyclic GMP-dependent protein kinase-1 alpha is linked to erectile dysfunction and diabetis mellitus
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Orstavik, S.; Natarajan, V.; Tasken, K.; Jahnsen, T.; Sandberg, M.
Characterization of the human gene encoding the type I alpha and type I beta cGMP-dependent protein kinase (PRKG1)
Genomics
42
311-318
1997
Homo sapiens (Q13976), Homo sapiens
Manually annotated by BRENDA team
Sandberg, M.; Natarajan, V.; Ronander, I.; Kalderon, D.; Walter, U.; Lohmann, S.M.; Jahnsen, T.
Molecular cloning and predicted full-length amino acid sequence of the type I beta isozyme of cGMP-dependent protein kinase from human placenta. Tissue distribution and developmental changes in rat
FEBS Lett.
255
321-329
1989
Homo sapiens (Q13976), Homo sapiens
Manually annotated by BRENDA team
Tamura, N.; Itoh, H.; Ogawa, Y.; Nakagawa, O.; Harada, M.; Chun, T.H.; Suga, S.; Yoshimasa, T.; Nakao, K.
cDNA cloning and gene expression of human type Ialpha cGMP-dependent protein kinase
Hypertension
27
552-557
1996
Homo sapiens (Q13976), Homo sapiens
Manually annotated by BRENDA team
Waldkirch, E.; Uckert, S.; Sigl, K.; Imkamp, F.; Langnaese, K.; Richter, K.; Jonas, U.; Sohn, M.; Stief, C.; Wolf, G.; Hedlund, P.
Expression and distribution of cyclic GMP-dependent protein kinase-1 isoforms in human penile erectile tissue
J. Sex Med.
5
536-543
2008
Homo sapiens (Q13976), Homo sapiens
Manually annotated by BRENDA team
Qin, L.; Reger, A.S.; Guo, E.; Yang, M.P.; Zwart, P.; Casteel, D.E.; Kim, C.
Structures of cGMP-dependent protein kinase (PKG) Ialpha leucine zippers reveal an interchain disulfide bond important for dimer stability
Biochemistry
54
4419-4422
2015
Homo sapiens (Q13976)
Manually annotated by BRENDA team
Campbell, J.C.; VanSchouwen, B.; Lorenz, R.; Sankaran, B.; Herberg, F.W.; Melacini, G.; Kim, C.
Crystal structure of cGMP-dependent protein kinase Ib cyclic nucleotide-binding-B domain Rp-cGMPS complex reveals an apo-like, inactive conformation
FEBS Lett.
591
221-230
2017
Homo sapiens (Q13976)
Manually annotated by BRENDA team