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AKT3

Chr 1q43-q44

AKT serine/threonine kinase 3

Aliases:
PKBG, RAC-gamma, PRKBG
MANE:
ENST00000673466.1

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • DDG2P

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Early onset or syndromic epilepsy

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Fetal anomalies

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Hydrocephalus

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Intellectual disability

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Malformations of cortical development

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Mosaic skin disorders - deep sequencing

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Neurological segmental overgrowth

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

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Disease associations (Open Targets)

  • megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 2

    0.80
  • Megalencephaly - polymicrogyria - postaxial polydactyly - hydrocephalus

    0.67
  • breast cancer

    0.57
  • megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 1

    0.47
  • schizophrenia

    0.46
  • overgrowth syndrome and/or cerebral malformations due to abnormalities in MTOR pathway genes

    0.46
  • neoplasm

    0.45
  • glioma

    0.44
  • risk-taking behaviour

    0.41
  • cancer

    0.41

Score is the Open Targets composite evidence score (0-1). Higher = stronger gene-disease association.

Protein function (UniProt)

RAC-gamma serine/threonine-protein kinase

AKT3 is one of 3 closely related serine/threonine-protein kinases (AKT1, AKT2 and AKT3) called the AKT kinase, and which regulate many processes including metabolism, proliferation, cell survival, growth and angiogenesis. This is mediated through serine and/or threonine phosphorylation of a range of downstream substrates. Over 100 substrate candidates have been reported so far, but for most of them, no isoform specificity has been reported. AKT3 is the least studied AKT isoform. It plays an important role in brain development and is crucial for the viability of malignant glioma cells. AKT3 isoform may also be the key molecule in up-regulation and down-regulation of MMP13 via IL13. Required for the coordination of mitochondrial biogenesis with growth factor-induced increases in cellular energy demands. Down-regulation by RNA interference reduces the expression of the phosphorylated form of BAD, resulting in the induction of caspase-dependent apoptosis

Curated MONDO disease pages that list AKT3 among their top associated genes.

Data sources: HGNC (CC BY 4.0), AlphaFold (CC BY 4.0, Jumper et al. Nature 2021), Genomics England PanelApp (CC BY 4.0), ClinGen, Open Targets (CC0), UniProt.

Not for sole clinical decision-making. Always verify against primary sources.