UniProt ID: Q66I14 |
FUNCTION: Synthesizes selenophosphate from selenide and ATP. {ECO:0000250|UniProtKB:P49903}. CATALYTIC ACTIVITY: Reaction=ATP + H2O + hydrogenselenide = AMP + 2 H(+) + phosphate + selenophosphate; Xref=Rhea:RHEA:18737, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:16144, ChEBI:CHEBI:29317, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:456215; EC=2.7.9.3; Evidence={ECO:0000250|UniProtKB:P49903}; COFACTOR: Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250|UniProtKB:P49903}; Note=Binds 1 Mg(2+) ion per monomer. {ECO:0000250|UniProtKB:P49903}; SUBUNIT: Homodimer. {ECO:0000250|UniProtKB:P49903}. TISSUE SPECIFICITY: In the embryo, expressed in retina, olfactory vesicles, tectum, pronephros ducts and myotomes at 24 hours post- fertilization and in retina, tectum, liver and intestinal bulb 3 days after fertilization. {ECO:0000269|PubMed:12915322}. SIMILARITY: Belongs to the selenophosphate synthase 1 family. {ECO:0000305}. SEQUENCE CAUTION: Sequence=AAH81590.1; Type=Erroneous termination; Note=Truncated C-terminus.; Evidence={ECO:0000305}; |
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