Biologically Active Substance
protein S
Brand Names:
Kcentra
Definitions related to protein s:
  • The vitamin K-dependent cofactor of activated PROTEIN C. Together with protein C, it inhibits the action of factors VIIIa and Va. A deficiency in protein S; (PROTEIN S DEFICIENCY); can lead to recurrent venous and arterial thrombosis.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Vitamin K-dependent cofactor of activated protein C; a deficiency can lead to recurrent venous and arterial thrombosis.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Protein S, a vitamin K-dependent plasma glycoprotein, is synthesized in the endothelium. The 2 forms of protein S are a free form and a complex form.
    Medscape
    WebMD, 2025
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