Necessary for the ATP-dependent first step of spliceosome assembly. Binds to the intron branch point sequence (BPS) 5′-UACUAAC-3′ of the pre-mRNA. May act as transcription repressor.
Necessary for the ATP-dependent first step of spliceosome assembly. Binds to the intron branch point sequence (BPS) 5′-UACUAAC-3′ of the pre-mRNA. May act as transcription repressor.
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