Term Name:	mRNA 5'-splice site recognition
Synonyms:	nuclear mRNA 5' splice site recognition, nuclear mRNA 5'-splice site recognition, spliceosomal CC complex biosynthesis, spliceosomal CC complex formation, spliceosomal commitment complex biosynthesis, spliceosomal commitment complex formation, spliceosomal E complex biosynthesis, spliceosomal E complex formation, U12-type nuclear mRNA 5' splice site recognition, U12-type nuclear mRNA 5'-splice site recognition, U2-type nuclear mRNA 5' splice site recognition, U2-type nuclear mRNA 5'-splice site recognition
Definition:	Recognition of the intron 5'-splice site by components of the assembling spliceosome.
Ontology:	GO: Biological Process [GO:0000395]    QuickGO    AmiGO