Identification
BMDB Protein ID BMDBP01179
Secondary Accession Numbers
  • BMDBP01196
Name cGMP-dependent protein kinase 1
Synonyms Not Available
Gene Name PRKG1
Protein Type Enzyme
Biological Properties
General Function Involved in ATP binding
Specific Function Serine/threonine protein kinase that acts as key mediator of the nitric oxide (NO)/cGMP signaling pathway. GMP binding activates PRKG1, which phosphorylates serines and threonines on many cellular proteins. Numerous protein targets for PRKG1 phosphorylation are implicated in modulating cellular calcium, but the contribution of each of these targets may vary substantially among cell types. Proteins that are phosphorylated by PRKG1 regulate platelet activation and adhesion, smooth muscle contraction, cardiac function, gene expression, feedback of the NO-signaling pathway, and other processes involved in several aspects of the CNS like axon guidance, hippocampal and cerebellar learning, circadian rhythm and nociception. Smooth muscle relaxation is mediated through lowering of intracellular free calcium, by desensitization of contractile proteins to calcium, and by decrease in the contractile state of smooth muscle or in platelet activation. Regulates intracellular calcium levels via several pathways: phosphorylates MRVI1/IRAG and inhibits IP3-induced Ca(2+) release from intracellular stores, phosphorylation of KCNMA1 (BKCa) channels decreases intracellular Ca(2+) levels, which leads to increased opening of this channel. PRKG1 phosphorylates the canonical transient receptor potential channel (TRPC) family which inactivates the associated inward calcium current. Another mode of action of NO/cGMP/PKGI signaling involves PKGI-mediated inactivation of the Ras homolog gene family member A (RhoA). Phosphorylation of RHOA by PRKG1 blocks the action of this protein in myriad processes: regulation of RHOA translocation; decreasing contraction; controlling vesicle trafficking, reduction of myosin light chain phosphorylation resulting in vasorelaxation. Activation of PRKG1 by NO signaling alters also gene expression in a number of tissues. In smooth muscle cells, increased cGMP and PRKG1 activity influence expression of smooth muscle-specific contractile proteins, levels of proteins in the NO/cGMP signaling pathway, down-regulation of the matrix proteins osteopontin and thrombospondin-1 to limit smooth muscle cell migration and phenotype. Regulates vasodilator-stimulated phosphoprotein (VASP) functions in platelets and smooth muscle (By similarity).
Pathways
  • Ion Channels and Their Functional Role in Vascular Endothelium
Reactions Not Available
GO Classification Not Available
Cellular Location Not Available
Gene Properties
Chromosome Location 26
Locus Not Available
SNPs PRKG1
Gene Sequence
>2016 bp
ATGAGCGAGCTGGAGGAAGACTTTGCCAAGATTCTCATGCTCAAGGAGGAGAGGATCAAA
GAGCTGGAGAAGCGGCTGTCAGAGAAGGAGGAAGAAATCCAGGAGCTGAAGAGGAAACTC
CATAAATGCCAGTCAGTGCTGCCCGTGCCCTCGACCCACATCGGCCCCCGGACCACCCGG
GCACAGGGCATCTCGGCCGAGCCGCAGACCTACAGGTCCTTCCACGACCTCCGACAGGCA
TTCCGGAAGTTCACCAAATCCGAAAGGTCCAAGGATCTCATAAAGGAGGCCATCCTTGAC
AATGACTTTATGAAGAACTTGGAGCTGTCACAGATCCAAGAGATTGTGGATTGTATGTAC
CCAGTGGAGTACGGCAAAGACAGCTGCATCATCAAAGAAGGAGATGTGGGGTCACTGGTG
TATGTCATGGAAGATGGTAAGGTTGAAGTTACAAAAGAAGGCGTGAAGCTGTGCACAATG
GGTCCTGGTAAAGTGTTTGGAGAGTTGGCTATCCTTTACAACTGTACCCGGACGGCGACC
GTCAAAACTCTTGTAAATGTGAAACTCTGGGCCATTGATCGACAATGTTTTCAGACGATA
ATGATGAGGACAGGACTTATCAAGCATACCGAGTATATGGAATTTTTAAAAAGCGTTCCA
ACATTCCAGAGCCTTCCTGAAGAGATCCTCAGTAAGCTTGCTGACGTCCTTGAAGAGACC
CACTATGAAAATGGGGAATATATCATCAGGCAAGGTGCAAGAGGGGACACCTTCTTTATC
ATCAGTAAAGGAAAGGTTAATGTCACTCGTGAAGACTCGCCCAATGAAGACCCAGTCTTT
CTTAGAACCTTAGGAAAAGGAGATTGGTTTGGAGAGAAAGCCTTGCAGGGGGAAGATGTG
AGAACAGCGAATGTAATTGCGGCAGAAGCTGTAACCTGCCTTGTGATCGACAGAGACTCT
TTCAAACATTTGATTGGAGGATTAGATGATGTTTCTAATAAAGCATATGAAGATGCAGAA
GCTAAGGCAAAATATGAAGCTGAAGCTGCTTTCTTCGCCAACCTGAAGCTGTCTGATTTC
AACATCATTGACACCCTTGGAGTTGGAGGTTTCGGACGCGTAGAACTGGTCCAGTTAAAA
AGTGAAGAATCCAAAACCTTTGCAATGAAGATTCTCAAGAAACGGCACATCGTGGATACA
AGACAGCAGGAACACATCCGCTCGGAGAAGCAGATCATGCAGGGGGCCCATTCGGACTTC
ATAGTGAGATTATACAGAACATTTAAGGACAGCAAATATTTGTATATGTTGATGGAAGCT
TGCCTAGGTGGAGAGCTCTGGACCATTCTCAGGGATCGGGGGTCATTTGAAGATTCTACA
ACCAGATTTTATACAGCATGTGTGGTAGAAGCTTTTGCCTATCTGCATTCCAAAGGAATC
ATTTACAGGGACCTCAAGCCTGAAAATCTCATCCTAGATCACCGAGGTTATGCCAAACTG
GTTGATTTTGGCTTTGCAAAGAAAATAGGATTTGGAAAGAAAACATGGACTTTTTGTGGG
ACTCCAGAATATGTAGCCCCAGAGATCATCCTGAACAAAGGCCATGACATTTCAGCCGAC
TATTGGTCACTGGGAATCCTCATGTATGAGCTTCTGACTGGCAGCCCACCTTTCTCAGGC
CCAGATCCTATGAAAACCTATAACATCATATTGAGGGGGATTGACATGATAGAGTTTCCA
AAGAAGATTGCCAAAAATGCTGCTAATTTAATTAAAAAACTATGCAGGGATAATCCATCA
GAAAGATTAGGGAATTTGAAAAACGGAGTGAAAGACATTCAAAAGCACAAATGGTTTGAG
GGCTTTAATTGGGAAGGCTTAAGAAAAGGCACCTTGACACCTCCTATAATACCAAGTGTT
GCATCACCCACAGACACAAGCAATTTTGACAGTTTCCCTGAGGACAATGATGAACCGCCA
CCTGATGACAACTCAGGATGGGACATAGACTTCTAA
Protein Properties
Number of Residues 671
Molecular Weight 76419.0
Theoretical pI 5.99
Pfam Domain Function Not Available
Signals
  • None
Transmembrane Regions Not Available
Protein Sequence
>cGMP-dependent protein kinase 1, alpha isozyme
MSELEEDFAKILMLKEERIKELEKRLSEKEEEIQELKRKLHKCQSVLPVPSTHIGPRTTR
AQGISAEPQTYRSFHDLRQAFRKFTKSERSKDLIKEAILDNDFMKNLELSQIQEIVDCMY
PVEYGKDSCIIKEGDVGSLVYVMEDGKVEVTKEGVKLCTMGPGKVFGELAILYNCTRTAT
VKTLVNVKLWAIDRQCFQTIMMRTGLIKHTEYMEFLKSVPTFQSLPEEILSKLADVLEET
HYENGEYIIRQGARGDTFFIISKGKVNVTREDSPNEDPVFLRTLGKGDWFGEKALQGEDV
RTANVIAAEAVTCLVIDRDSFKHLIGGLDDVSNKAYEDAEAKAKYEAEAAFFANLKLSDF
NIIDTLGVGGFGRVELVQLKSEESKTFAMKILKKRHIVDTRQQEHIRSEKQIMQGAHSDF
IVRLYRTFKDSKYLYMLMEACLGGELWTILRDRGSFEDSTTRFYTACVVEAFAYLHSKGI
IYRDLKPENLILDHRGYAKLVDFGFAKKIGFGKKTWTFCGTPEYVAPEIILNKGHDISAD
YWSLGILMYELLTGSPPFSGPDPMKTYNIILRGIDMIEFPKKIAKNAANLIKKLCRDNPS
ERLGNLKNGVKDIQKHKWFEGFNWEGLRKGTLTPPIIPSVASPTDTSNFDSFPEDNDEPP
PDDNSGWDIDF
GenBank ID Protein CAA34214.1
UniProtKB/Swiss-Prot ID P00516
UniProtKB/Swiss-Prot Entry Name KGP1_BOVIN
PDB IDs
GenBank Gene ID X16086
GeneCard ID PRKG1
GenAtlas ID Not Available
HGNC ID Not Available
References
General References Not Available