| proteolytic processing of cmpp36, a protein from the cytochrome b(5) reductase family, is required for entry into the phloem translocation pathway. | cucurbita maxima (pumpkin) phloem sap contains a 31 kda protein that cross-reacts with antibodies directed against the red clover necrotic mosaic virus movement protein (rcnmv mp). microsequence data from phloem-purified 31 kda protein were used to isolate a complementary dna: the open reading frame encodes a 36 kda protein belonging to the cytochrome b(5) reductase (cb5r) family; the gene was termed cmpp36. western analyses established that cmpp36, rcnmv mp and cmpp16 (xoconostle-cázares et al. ... | 2000 | 11135108 |