F55L (p.Phe55Leu) variant of F9 (Coagulation factor IX)

F55L (p.Phe55Leu) in F9 (Coagulation factor IX) is a missense change. Clinical records from ClinVar, EBI, and UniProt describe it as uncertain significance in the context of Thrombophilia, X-linked, due to factor 9 defect; Hereditary factor IX deficiency. The available variant effect predictions contribute to a CATVariant prioritization score of 0.60 / 1. The record also includes published literature and structural context.

F55L (p.Phe55Leu) variant details