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Rabbit Anti-NOL5A/NOP56 antibody
NOL5A is similar in sequence to Nop56p, a yeast nucleolar protein that is part of a complex with the nucleolar proteins Nop58p and fibrillarin. Like Nop56p, NOL5A is found in the nucleolus and is though to be required for 60S ribosomal subunit biogenesis. Multiple transcript variants encoding several isoforms have been identified for this gene, but the full-length nature of most of them is not yet determined.
Function:
Involved in the early to middle stages of 60S ribosomal subunit biogenesis. Core component of box C/D small nucleolar ribonucleoprotein (snoRNP) particles. Required for the biogenesis of box C/D snoRNAs such U3, U8 and U14 snoRNAs.
Subcellular Location:
Nuclear; nucleolus
DISEASE:
Spinocerebellar ataxia 36 (SCA36) [MIM:614153]: A form of spinocerebellar ataxia, a clinically and genetically heterogeneous group of cerebellar disorders. Patients show progressive incoordination of gait and often poor coordination of hands, speech and eye movements, due to degeneration of the cerebellum with variable involvement of the brainstem and spinal cord. SCA36 is characterized by complicated clinical features, with ataxia as the first symptom, followed by characteristic late-onset involvement of the motor neuron system. Ataxic symptoms, such as gait and truncal instability, ataxic dysarthria, and uncoordinated limbs, start in late forties to fifties. Characteristically, affected individuals exhibit tongue atrophy with fasciculation. Progression of motor neuron involvement is typically limited to the tongue and main proximal skeletal muscles in both upper and lower extremities.
Note: The disease is caused by mutations affecting the gene represented in this entry. Caused by large hexanucleotide CGCCTG repeat expansions within intron 1. These expansions induce RNA foci and sequester the RNA-binding protein SRSF2. In addition, the transcription of MIR1292, a microRNA gene located just 19 bp 3' of the GGCCTG repeat, is significantly decreased.
Similarity:
Belongs to the NOP5/NOP56 family. {ECO:0000305}.
Contains 1 Nop domain.
SWISS:
O00567
Gene ID:
10528
Database links:
Entrez Gene: 10528 Human
Entrez Gene: 67134 Mouse
Entrez Gene: 362214 Rat
Omim: 614154 Human
SwissProt: O00567 Human
SwissProt: Q9D6Z1 Mouse
Unigene: 145204 Rat
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