Factor V and Factor Viii, Combined Deficiency of, 1, also known as factor v and factor viii, combined deficiency of, type 1, is related to factor v and factor viii, combined deficiency of, 2 and factor viii deficiency. An important gene associated with Factor V and Factor Viii, Combined Deficiency of, 1 is LMAN1 (Lectin, Mannose Binding 1), and among its related pathways/superpathways are Transport to the Golgi and subsequent modification and COPII-mediated vesicle transport. Affiliated tissues include bone marrow and bone.