C639Y (p.Cys639Tyr) variant of PROS1 (Vitamin K-dependent protein S)

C639Y (p.Cys639Tyr) in PROS1 (Vitamin K-dependent protein S) is a missense change. Clinical records from ClinVar, EBI, and UniProt describe it as pathogenic/likely pathogenic in the context of Protein S deficiency disease; Thrombophilia due to protein S deficiency, autosom. The available variant effect predictions contribute to a CATVariant prioritization score of 0.83 / 1. The record also includes published literature and structural context.

C639Y (p.Cys639Tyr) variant details