SnRNP70

1

snRNP70 also known as U1 small nuclear ribonucleoprotein 70 kDa is a protein that in humans is encoded by the SNRNP70 gene. snRNP70 is a small nuclear ribonucleoprotein that associates with U1 spliceosomal RNA, forming the U1snRNP a core component of the spliceosome. The U1-70K protein and other components of the spliceosome complex form detergent-insoluble aggregates in both sporadic and familial human cases of Alzheimer's disease. U1-70K co-localizes with Tau in neurofibrillary tangles in Alzheimer's disease.

Interactions

snRNP70 has been shown to interact with ASF/SF2, SRPK1, and ZRANB2.

Role in autoimmunity

Antibodies towards snRNP70 are associated with mixed connective tissue disease.

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