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- Table of Contents
Facts about Phosphorylated adapter RNA export protein.
Its phosphorylation in the nucleus is needed for U snRNA export complex assembly and export, while its dephosphorylation in the cytoplasm causes export complex disassembly. It's recycled back into the nucleus through the importin alpha/beta heterodimeric import receptor.
Human | |
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Gene Name: | PHAX |
Uniprot: | Q9H814 |
Entrez: | 51808 |
Belongs to: |
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PHAX family |
FLJ13193; phosphorylated adapter RNA export protein; phosphorylated adaptor for RNA export; RNA U small nuclear RNA export adapter protein; RNA U, small nuclear RNA export adapter (phosphorylation regulated); RNA U, small nuclear RNA export adaptor (phosphorylation regulated); RNUXA
Mass (kDA):
44.403 kDA
Human | |
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Location: | 5q23.2 |
Sequence: | 5; NC_000005.10 (126600947..126627252) |
Nucleus, nucleoplasm. Nucleus, Cajal body. Cytoplasm. Located in the nucleoplasm and Cajal bodies. Shuttles between the nucleus and the cytoplasm. Shuttles between the nucleoplasm and Cajal bodies.
PMID: 15574332 by Boulon S., et al. PHAX and CRM1 are required sequentially to transport U3 snoRNA to nucleoli.
PMID: 11333016 by Segref A., et al. The evolutionarily conserved region of the U snRNA export mediator PHAX is a novel RNA-binding domain that is essential for U snRNA export.