IGHG1 (Immunoglobulin Heavy Constant Gamma 1 (G1m Marker)) is a Protein Coding gene. Diseases associated with IGHG1 include Leukemia, Chronic Lymphocytic and Heavy Chain Deposition Disease. Among its related pathways are Creation of C4 and C2 activators and Role of phospholipids in phagocytosis. Gene Ontology (GO) annotations related to this gene include antigen binding. An important paralog of this gene is IGHG3.