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  Domain Name: STKc_aPKC_iota
Catalytic domain of the Protein Serine/Threonine Kinase, Atypical Protein Kinase C iota. Serine/Threonine Kinases (STKs), Atypical Protein Kinase C (aPKC) subfamily, iota isoform, catalytic (c) domain. STKs catalyze the transfer of the gamma-phosphoryl group from ATP to serine/threonine residues on protein substrates. The aPKC subfamily is part of a larger superfamily that includes the catalytic domains of other protein STKs, protein tyrosine kinases, RIO kinases, aminoglycoside phosphotransferase, choline kinase, and phosphoinositide 3-kinase. PKCs are classified into three groups (classical, atypical, and novel) depending on their mode of activation and the structural characteristics of their regulatory domain. aPKCs only require phosphatidylserine (PS) for activation. There are two aPKC isoforms, zeta and iota. PKC-iota is directly implicated in carcinogenesis. It is critical to oncogenic signaling mediated by Ras and Bcr-Abl. The PKC-iota gene is the target of tumor-specific gene amplification in many human cancers, and has been identified as a human oncogene. In addition to its role in transformed growth, PKC-iota also promotes invasion, chemoresistance, and tumor cell survival. Expression profiling of PKC-iota is a prognostic marker of poor clinical outcome in several human cancers. PKC-iota also plays a role in establishing cell polarity, and has critical embryonic functions.
No pairwise interactions are available for this conserved domain.

Total Mutations Found: 262
Total Disease Mutations Found: 84
This domain occurred 254 times on human genes (566 proteins).



  AORTIC ANEURYSM, FAMILIAL THORACIC 7
  BREAST CANCER, SUSCEPTIBILITY TO
  CARDIOFACIOCUTANEOUS SYNDROME 3
  CARDIOFACIOCUTANEOUS SYNDROME 4
  CEREBRAL INFARCTION, SUSCEPTIBILITY TO
  CHRONIC MYELOID LEUKEMIA, RESISTANT TO IMATINIB
  COFFIN-LOWRY SYNDROME
  COFFIN-LOWRY SYNDROME, MILD
  COWDEN DISEASE 6
  DIABETES MELLITUS, TYPE II
  ENDOCRINE-CEREBROOSTEODYSPLASIA
  EPILEPTIC ENCEPHALOPATHY, EARLY INFANTILE, 2
  FG SYNDROME 4
  GLYCOGEN STORAGE DISEASE IXC
  LEUKEMIA, PHILADELPHIA CHROMOSOME-POSITIVE, RESISTANT TO IMATINIB
  MALFORMATIONS
  MEGALENCEPHALY-POLYMICROGYRIA-POLYDACTYLY-HYDROCEPHALUS SYNDROME
  MELANOMA, MALIGNANT, SOMATIC
  MENTAL RETARDATION AND MICROCEPHALY WITH PONTINE AND CEREBELLAR HYPOPLASIA
  MENTAL RETARDATION, X-LINKED 19
  MENTAL RETARDATION, X-LINKED 30
  MENTAL RETARDATION, X-LINKED, WITH NYSTAGMUS
  NEUROPATHY, HEREDITARY SENSORY, TYPE II
  OGUCHI DISEASE 2
  PEUTZ-JEGHERS SYNDROME
  RETINITIS PIGMENTOSA 62
  SHORT RIB-POLYDACTYLY SYNDROME, TYPE IIA
  SPERMATOGENIC FAILURE 5
  SPINOCEREBELLAR ATAXIA 14
  T-CELL IMMUNODEFICIENCY, RECURRENT INFECTIONS, AUTOIMMUNITY, AND CARDIAC
  TESTICULAR TUMOR, SOMATIC
  THROMBOCYTOPENIA 2
  VARIANT OF UNKNOWN SIGNIFICANCE


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Range on the Protein:  

   Protein ID            Protein Position

Domain Position:  


Feature Name:Total Found:
active site
ATP binding site
substrate binding site
activation loop (A-loop)
hydrophobic motif (HM)
turn motif phosphorylatio