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BigH1 | Histone H1 variant BigH1 (BigH1) encodes a germline linker histone H1 variant that is retained in the early embryo until cellularization. It is required for gametogenesis and to maintain silencing of the zygotic genome during early embryogenesis. (353 aa) | ||||
Papss | PAPS synthetase (Papss) encodes an enzyme that catalyzes the synthesis of 3'-phosphoadenosine 5'-phosphosulfate (PAPS), the sulfate donor compound in all sulfotransferase reactions. Maternally provided Papss product is required for the formation of the embryonic dorsal-ventral axis mediated by the sulfotransferase encoded by pip. (657 aa) |