FUNCTION: REQUIRED FOR MANNOSE 6-PHOSPHATE RECEPTORS (MPR) TRANSPORT FROM ENDOSOMES TO THE TRANS-GOLGI NETWORK. * SUBUNIT: INTERACTS WITH CYTOPLASMIC DOMAINS OF BOTH CATION-INDEPENDENT 300 KDA AND CATION DEPENDENT 46 KDA MANNOSE 6-PHOSPHATE RECEPTORS. ISOFORM A ALSO EXISTS AS A HOMODIMER (KNOWN AS PP17C). * SUBCELLULAR LOCATION: CYTOPLASMIC AND ON ENDOSOMES. * ALTERNATIVE PRODUCTS: 2 isoforms; A and B (shown here); are produced by alternative splicing. * SIMILARITY: BELONGS TO THE PERIPILIN FAMILY. |
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06-JAN-01
Last Update 13-Mar-03