Muscle-specific protein that plays a central role in cell membrane repair by nucleating the assembly of the repair machinery at injury sites. Specifically binds phosphatidylserine. Acts as a sensor of oxidation: upon membrane damage, entry of extracellular oxidative environment results in disulfide bond formation and homooligomerization at the injury site. This oligomerization acts as a nucleation site for recruitment of TRIM72-containing vesicles to the injury site, leading to membrane patch formation. Probably acts upstream of the Ca(2+)-dependent membrane resealing process. Required for transport of DYSF to sites of cell injury during repair patch formation. Regulates membrane budding and exocytosis. May be involved in the regulation of the mobility of KCNB1-containing endocytic vesicles.
Specificity
Natural and recombinant Mouse Tripartite motif-containing protein 72
Subcellular Location
Cell membrane sarcolemma Cytoplasmic vesicle membrane Tethered to plasma membrane and cytoplasmic vesicles via its interaction with phosphatidylserine.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s) Cited for: NUCLEOTIDE SEQUENCE [MRNA];FUNCTION;SUBCELLULAR LOCATION;SUBUNIT;PHOSPHATIDYLSERINE-BINDING;DISRUPTION PHENOTYPE;TISSUE SPECIFICITY;DISULFIDE BOND AT CYS-242;MUTAGENESIS OF CYS-14; CYS-17; CYS-29; CYS-34; CYS-37; CYS-53; CYS-55; CYS-56; CYS-86; CYS-97; CYS-105; CYS-108; CYS-144; CYS-242; CYS-313 AND CYS-456