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MAP2K2

Chr 19p13.3

mitogen-activated protein kinase kinase 2

Aliases:
MEK2, MKK2
MANE:
ENST00000262948.10

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Childhood solid tumours cancer susceptibility

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • DDG2P

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

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Fetal anomalies

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Fetal hydrops

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Intellectual disability

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • IUGR and IGF abnormalities

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Monogenic short stature

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

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Disease associations (Open Targets)

  • cardiofaciocutaneous syndrome

    0.86
  • melanoma

    0.69
  • cancer

    0.66
  • Noonan syndrome

    0.65
  • RASopathy

    0.58
  • neurofibromatosis type 1

    0.56
  • neoplasm

    0.56
  • metastatic melanoma

    0.53
  • hypertrophic cardiomyopathy

    0.53
  • plexiform neurofibroma

    0.51

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

Protein function (UniProt)

Dual specificity mitogen-activated protein kinase kinase 2

Catalyzes the concomitant phosphorylation of a threonine and a tyrosine residue in a Thr-Glu-Tyr sequence located in MAP kinases. Activates the ERK1 and ERK2 MAP kinases (By similarity). Activates BRAF in a KSR1 or KSR2-dependent manner; by binding to KSR1 or KSR2 releases the inhibitory intramolecular interaction between KSR1 or KSR2 protein kinase and N-terminal domains which promotes KSR1 or KSR2-BRAF dimerization and BRAF activation (PubMed:29433126)

Curated MONDO disease pages that list MAP2K2 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.