Plasma proteins
Intracellular
Low cell type specificity
Low immune cell specificity
Low cell line specificity
U1 snRNP is composed of the 7 core Sm proteins SNRPB, SNRPD1, SNRPD2, SNRPD3, SNRPE, SNRPF and SNRPG that assemble in a heptameric protein ring on the Sm site of the small nuclear RNA to form the core snRNP, and at least three U1 snRNP-specific proteins SNRNP70/U1-70K, SNRPA/U1-A and SNRPC/U1-C. Interacts with SFPQ; component of a snRNP-free complex with SFPQ.
Ribonucleoprotein, RNA-binding
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For Research Use Only. Not For Clinical Use.