Polypeptidereacting:MLDP=myocardiallipiddropletprotein(alsodescribedasOXPAT/PAT-1/Perilipin5).MLDPpertainstothePAT-familyproteins,coveringthesurfaceofcytoplasmiclipiddropletsandsharingahomologuousdomaincalledPAT.AdditionalPATproteins(perilipins1-5)including
ADIpophilin(ADRP/perilipin2),perilipin(perilipin1),andTIP47(perilipin3)areexpressedindifferentiation-relatedstagesoflipidmetabolism.