FUNCTION : CALCIUM-REGULATED MEMBRANE-BINDING PROTEIN WHOSE AFFINITY FOR CALCIUM IS GREATLY ENHANCED BY ANIONIC PHOSPHOLIPIDS. IT BINDS TWO CALCIUM IONS WITH HIGH AFFINITY. SUBUNIT : TETRAMER OF 2 LIGHT CHAINS (P10 PROTEINS) AND 2 HEAVY CHAINS (P36 PROTEINS). SUBCELLULAR LOCATION : IN THE LAMINA BENEATH THE PLASMA MEMBRANE. DOMAIN : A pair of annexin repeats may form one binding site for calcium and phospholipid. MISCELLANEOUS : IT MAY CROSS-LINK PLASMA MEMBRANE PHOSPHOLIPIDS WITH ACTIN AND THE CYTOSKELETON AND BE INVOLVED WITH EXOCYTOSIS. SIMILARITY : BELONGS TO THE ANNEXIN FAMILY. SIMILARITY : Contains 4 annexin repeats. |
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27-Feb-03
Last Update 13-Mar-03