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SMS

Chr Xp22.11

spermine synthase

Aliases:
SPMSY, SpS, MRSR
MANE:
ENST00000404933.7

Annotations refreshed 9 hours ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Clefting

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • DDG2P

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Early onset or syndromic epilepsy

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Fetal anomalies

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Intellectual disability

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Monogenic hearing loss

Disease associations (Open Targets)

  • syndromic X-linked intellectual disability Snyder type

    0.81
  • X-linked intellectual disability, Snyder type

    0.77
  • hereditary disease

    0.48
  • Intellectual disability

    0.34
  • autoimmune disorder of central nervous system

    0.34
  • neurodegenerative disease

    0.33
  • Smith-Magenis syndrome

    0.27
  • developmental disability

    0.12
  • colorectal carcinoma

    0.08
  • pancreatic neoplasm

    0.08

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

Protein function (UniProt)

Spermine synthase

Catalyzes the production of spermine from spermidine and decarboxylated S-adenosylmethionine (dcSAM)

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.