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Pof | Protein painting of fourth; Probable RNA-binding protein that specifically binds to the fourth chromosome and may bind an RNA that spreads the fourth chromosome. May be a reminiscence of X chromosome dosage compensation of ancestral Drosophila species in which the X and the fourth chromosomes are one single chromosome. (495 aa) | ||||
Ccz1 | Caffeine, calcium, zinc sensitivity 1 (Ccz1) encodes a protein that forms a complex with the product of Mon1 and acts as an exchange factor of the small G-protein encoded by Rab7. The Ccz1/Mon1 complex activates and recruits the product of Rab7 to the maturing endosome, where it organizes the fusion of the matured endosome with the lysosome. Ccz1/Mon1 complex loss of function results in Rab7 phenotypes. (485 aa) |