Thrombophilia Due to Protein S Deficiency, Autosomal Recessive, also known as thph6, is related to thrombophilia due to protein s deficiency, autosomal dominant. An important gene associated with Thrombophilia Due to Protein S Deficiency, Autosomal Recessive is PROS1 (Protein S). Affiliated tissues include bone and skin, and related phenotypes are purpura and retinopathy