U1 snRNP
A ribonucleoprotein complex that contains small nuclear RNA U1, a heptameric ring of Sm proteins, as well as several proteins that are unique to the U1 snRNP, most of which remain associated with the U1 snRNA both while the U1 snRNP is free or assembled into a series of spliceosomal complexes.
GO:0097525
spliceosomal snRNP complex
is_a
snRNP U1
exact
SPCC16A11.13 SPBC11G11.06c SPAC4D7.13 SPBC19C2.14 SPAC26A3.08 SPSNRNA.01 SPBC839.10 SPBC3E7.14 SPBC1289.12 SPAC27D7.07c SPAC19A8.13 SPBC4B4.07c SPBC4B4.05 SPAC2C4.03c SPAC23D3.08 SPBC23E6.01c SPBP35G2.09 SPBC4B4.09