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PDSS2

Chr 6q21

decaprenyl diphosphate synthase subunit 2

Aliases:
bA59I9.3, COQ1B
MANE:
ENST00000369037.9

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Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Intellectual disability

    BIALLELIC, autosomal or pseudoautosomal
  • Likely inborn error of metabolism

    BIALLELIC, autosomal or pseudoautosomal
  • Mitochondrial disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Possible mitochondrial disorder - nuclear genes

    BIALLELIC, autosomal or pseudoautosomal
  • Proteinuric renal disease

    BIALLELIC, autosomal or pseudoautosomal
  • Undiagnosed metabolic disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Early onset or syndromic epilepsy

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Disease associations (Open Targets)

  • coenzyme Q10 deficiency, primary, 3

    0.77
  • neurodegenerative disease

    0.53
  • Leigh syndrome

    0.42
  • coenzyme Q10 deficiency

    0.37
  • lymphoid leukemia

    0.37
  • prostate carcinoma

    0.32
  • alcohol drinking

    0.32
  • ovarian neoplasm

    0.29
  • nephrotic syndrome

    0.28
  • lysosomal storage disease

    0.20

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

Protein function (UniProt)

All trans-polyprenyl-diphosphate synthase PDSS2

Heterotetrameric enzyme that catalyzes the condensation of farnesyl diphosphate (FPP), which acts as a primer, and isopentenyl diphosphate (IPP) to produce prenyl diphosphates of varying chain lengths and participates in the determination of the side chain of ubiquinone (PubMed:16262699). Supplies nona and decaprenyl diphosphate, the precursors for the side chain of the isoprenoid quinones ubiquinone-9 (Q9) and ubiquinone-10 (Q10) respectively (PubMed:16262699). The enzyme adds isopentenyl diphosphate molecules sequentially to farnesyl diphosphate with trans stereochemistry (PubMed:16262699). May play a role during cerebellar development (By similarity). May regulate mitochondrial respiratory chain function (By similarity)

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.