Function
Promotes phosphatidylserine exposure on apoptotic cell surface, possibly by mediating phospholipid scrambling. Phosphatidylserine is a specific marker only present at the surface of apoptotic cells and acts as a specific signal for engulfment. Has no effect on calcium-induced exposure of phosphatidylserine. Activated upon caspase cleavage, suggesting that it does not act prior the onset of apoptosis.
Sequence
MPLSVHHHVALDVVVGLVSILSFLLDLVADLWAVVQYVLLGRYLWAALVLVLLGQASVLLQLFSWLWLTADPTELHHSQLSRPFLALLHLLQLGYLYRCLHGMHQGLSMCYQEMPSECDLAYADFLSLDISMLKLFESFLEATPQLTLVLAIVLQNGQAEYYQWFGISSSFLGISWALLDYHRSLRTCLPSKPRLGRSSSAIYFLWNLLLLGPRICAIALFSAVFPYYVALHFFSLWLVLLFWIWLQGTNFMPDSKGEWLYRVTMALILYFSWFNVSGGRTRGRAVIHLIFIFSDSVLLVTTSWVTHGTWLPSGISLLMWVTIGGACFFLGLALRVIYYLWLHPSCSWDPDLVDGTLGLLSPHRPPKLIYNRRATLLAENFFAKAKARAVLTEEVQLNGVL