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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06-DEC-00
Last Update 13-Mar-03