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NameProtein kinase C iota type
Synonyms
  • 2.7.11.13
  • aPKC-lambda/iota
  • Atypical protein kinase C-lambda/iota
  • DXS1179E
  • nPKC-iota
  • PRKC-lambda/iota
Gene NamePRKCI
OrganismHuman
Amino acid sequence
>lcl|BSEQ0007450|Protein kinase C iota type
MPTQRDSSTMSHTVAGGGSGDHSHQVRVKAYYRGDIMITHFEPSISFEGLCNEVRDMCSF
DNEQLFTMKWIDEEGDPCTVSSQLELEEAFRLYELNKDSELLIHVFPCVPERPGMPCPGE
DKSIYRRGARRWRKLYCANGHTFQAKRFNRRAHCAICTDRIWGLGRQGYKCINCKLLVHK
KCHKLVTIECGRHSLPQEPVMPMDQSSMHSDHAQTVIPYNPSSHESLDQVGEEKEAMNTR
ESGKASSSLGLQDFDLLRVIGRGSYAKVLLVRLKKTDRIYAMKVVKKELVNDDEDIDWVQ
TEKHVFEQASNHPFLVGLHSCFQTESRLFFVIEYVNGGDLMFHMQRQRKLPEEHARFYSA
EISLALNYLHERGIIYRDLKLDNVLLDSEGHIKLTDYGMCKEGLRPGDTTSTFCGTPNYI
APEILRGEDYGFSVDWWALGVLMFEMMAGRSPFDIVGSSDNPDQNTEDYLFQVILEKQIR
IPRSLSVKAASVLKSFLNKDPKERLGCHPQTGFADIQGHPFFRNVDWDMMEQKQVVPPFK
PNISGEFGLDNFDSQFTNEPVQLTPDDDDIVRKIDQSEFEGFEYINPLLMSAEECV
Number of residues596
Molecular Weight68261.855
Theoretical pI5.68
GO Classification
Functions
  • protein kinase activity
  • protein serine/threonine kinase activity
  • phospholipid binding
  • metal ion binding
  • protein kinase C activity
  • ATP binding
Processes
  • positive regulation of glial cell proliferation
  • membrane organization
  • intracellular signal transduction
  • cell junction assembly
  • cell-cell junction organization
  • cellular response to insulin stimulus
  • secretion
  • negative regulation of neuron apoptotic process
  • positive regulation of establishment of protein localization to plasma membrane
  • positive regulation of neuron projection development
  • protein targeting to membrane
  • actin filament organization
  • response to interleukin-1
  • vesicle-mediated transport
  • eye photoreceptor cell development
  • positive regulation of NF-kappaB transcription factor activity
  • positive regulation of endothelial cell apoptotic process
  • bicellular tight junction assembly
  • establishment of apical/basal cell polarity
  • cytoskeleton organization
  • establishment or maintenance of epithelial cell apical/basal polarity
  • Golgi vesicle budding
  • cell migration
  • positive regulation of glucose import
  • negative regulation of apoptotic process
  • neurotrophin TRK receptor signaling pathway
  • negative regulation of glial cell apoptotic process
  • protein phosphorylation
Components
  • Golgi membrane
  • Schmidt-Lanterman incisure
  • microtubule cytoskeleton
  • endosome
  • nucleus
  • apical plasma membrane
  • plasma membrane
  • intercellular bridge
  • cytosol
  • extracellular exosome
  • cell leading edge
  • cytoplasm
  • protein complex
  • bicellular tight junction
General FunctionProtein serine/threonine kinase activity
Specific FunctionCalcium- and diacylglycerol-independent serine/ threonine-protein kinase that plays a general protective role against apoptotic stimuli, is involved in NF-kappa-B activation, cell survival, differentiation and polarity, and contributes to the regulation of microtubule dynamics in the early secretory pathway. Is necessary for BCR-ABL oncogene-mediated resistance to apoptotic drug in leukemia cells, protecting leukemia cells against drug-induced apoptosis. In cultured neurons, prevents amyloid beta protein-induced apoptosis by interrupting cell death process at a very early step. In glioblastoma cells, may function downstream of phosphatidylinositol 3-kinase (PI(3)K) and PDPK1 in the promotion of cell survival by phosphorylating and inhibiting the pro-apoptotic factor BAD. Can form a protein complex in non-small cell lung cancer (NSCLC) cells with PARD6A and ECT2 and regulate ECT2 oncogenic activity by phosphorylation, which in turn promotes transformed growth and invasion. In response to nerve growth factor (NGF), acts downstream of SRC to phosphorylate and activate IRAK1, allowing the subsequent activation of NF-kappa-B and neuronal cell survival. Functions in the organization of the apical domain in epithelial cells by phosphorylating EZR. This step is crucial for activation and normal distribution of EZR at the early stages of intestinal epithelial cell differentiation. Forms a protein complex with LLGL1 and PARD6B independently of PARD3 to regulate epithelial cell polarity. Plays a role in microtubule dynamics in the early secretory pathway through interaction with RAB2A and GAPDH and recruitment to vesicular tubular clusters (VTCs). In human coronary artery endothelial cells (HCAEC), is activated by saturated fatty acids and mediates lipid-induced apoptosis.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID432274
UniProtKB IDP41743
UniProtKB Entry NameKPCI_HUMAN
Cellular LocationCytoplasm
Gene sequence
>lcl|BSEQ0017259|Protein kinase C iota type (PRKCI)
ATGCCGACCCAGAGGGACAGCAGCACCATGTCCCACACGGTCGCAGGCGGCGGCAGCGGG
GACCATTCCCACCAGGTCCGGGTGAAAGCCTACTACCGCGGGGATATCATGATAACACAT
TTTGAACCTTCCATCTCCTTTGAGGGCCTTTGCAATGAGGTTCGAGACATGTGTTCTTTT
GACAACGAACAGCTCTTCACCATGAAATGGATAGATGAGGAAGGAGACCCGTGTACAGTA
TCATCTCAGTTGGAGTTAGAAGAAGCCTTTAGACTTTATGAGCTAAACAAGGATTCTGAA
CTCTTGATTCATGTGTTCCCTTGTGTACCAGAACGTCCTGGGATGCCTTGTCCAGGAGAA
GATAAATCCATCTACCGTAGAGGTGCACGCCGCTGGAGAAAGCTTTATTGTGCCAATGGC
CACACTTTCCAAGCCAAGCGTTTCAACAGGCGTGCTCACTGTGCCATCTGCACAGACCGA
ATATGGGGACTTGGACGCCAAGGATATAAGTGCATCAACTGCAAACTCTTGGTTCATAAG
AAGTGCCATAAACTCGTCACAATTGAATGTGGGCGGCATTCTTTGCCACAGGAACCAGTG
ATGCCCATGGATCAGTCATCCATGCATTCTGACCATGCACAGACAGTAATTCCATATAAT
CCTTCAAGTCATGAGAGTTTGGATCAAGTTGGTGAAGAAAAAGAGGCAATGAACACCAGG
GAAAGTGGCAAAGCTTCATCCAGTCTAGGTCTTCAGGATTTTGATTTGCTCCGGGTAATA
GGAAGAGGAAGTTATGCCAAAGTACTGTTGGTTCGATTAAAAAAAACAGATCGTATTTAT
GCAATGAAAGTTGTGAAAAAAGAGCTTGTTAATGATGATGAGGATATTGATTGGGTACAG
ACAGAGAAGCATGTGTTTGAGCAGGCATCCAATCATCCTTTCCTTGTTGGGCTGCATTCT
TGCTTTCAGACAGAAAGCAGATTGTTCTTTGTTATAGAGTATGTAAATGGAGGAGACCTA
ATGTTTCATATGCAGCGACAAAGAAAACTTCCTGAAGAACATGCCAGATTTTACTCTGCA
GAAATCAGTCTAGCATTAAATTATCTTCATGAGCGAGGGATAATTTATAGAGATTTGAAA
CTGGACAATGTATTACTGGACTCTGAAGGCCACATTAAACTCACTGACTACGGCATGTGT
AAGGAAGGATTACGGCCAGGAGATACAACCAGCACTTTCTGTGGTACTCCTAATTACATT
GCTCCTGAAATTTTAAGAGGAGAAGATTATGGTTTCAGTGTTGACTGGTGGGCTCTTGGA
GTGCTCATGTTTGAGATGATGGCAGGAAGGTCTCCATTTGATATTGTTGGGAGCTCCGAT
AACCCTGACCAGAACACAGAGGATTATCTCTTCCAAGTTATTTTGGAAAAACAAATTCGC
ATACCACGTTCTCTGTCTGTAAAAGCTGCAAGTGTTCTGAAGAGTTTTCTTAATAAGGAC
CCTAAGGAACGATTGGGTTGTCATCCTCAAACAGGATTTGCTGATATTCAGGGACACCCG
TTCTTCCGAAATGTTGATTGGGATATGATGGAGCAAAAACAGGTGGTACCTCCCTTTAAA
CCAAATATTTCTGGGGAATTTGGTTTGGACAACTTTGATTCTCAGTTTACTAATGAACCT
GTCCAGCTCACTCCAGATGACGATGACATTGTGAGGAAGATTGATCAGTCTGAATTTGAA
GGTTTTGAGTATATCAATCCTCTTTTGATGTCTGCAGAAGAATGTGTCTGA
GenBank Gene IDL18964
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:9404
Chromosome Location3
Locus3q26.3
References
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