Polypeptide reacting: MLDP = myocardial lipid droplet protein (also described as OXPAT/PAT-1). MLDP pertains to the PAT-family proteins, covering the surface of cytoplasmic lipid droplets and sharing a homologuous domain called PAT. Additional PAT proteins include adipophilin (ADRP), perilipin, and TIP47 which are expressed in differentiation-related stages of lipid metabolism.