Category:SO:0000393 ! U4 snRNA
id: SO:0000393
name: U4_snRNA
def: "U4 small nuclear RNA (U4 snRNA) is a component of the major U2-dependent spliceosome. It forms a duplex with U6, and with each splicing round, it is displaced from U6 (and the spliceosome) in an ATP-dependent manner, allowing U6 to refold and create the active site for splicing catalysis. A recycling process involving protein Prp24 re-anneals U4 and U6." [1]
subset: SOFA
synonym: "small nuclear RNA U4" EXACT [RSC:cb]
synonym: "snRNA U4" EXACT [RSC:cb]
synonym: "U4 small nuclear RNA" EXACT [RSC:cb]
synonym: "U4 snRNA" EXACT []
xref: http://en.wikipedia.org/wiki/U4_snRNA "wiki"
is_a: SO:0000274 ! snRNA
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