GO_term: GO:0000341   

GO:0000341	Definition	Interacting selectively with the trimethylguanosine (m(3)(2,2,7)-GTP) moiety located at the 5' end of some RNA molecules. Such trimethylated cap structures, generally produced by posttranscriptional modification of a 7-methylguanosine cap, are often found on snRNAs and snoRNAs transcribed by RNA polymerase II, but have also be found on snRNAs transcribed by RNA polymerase III. They have also been found on a subset of the mRNA population in some species, e. g. C. elegans.
		Interacting selectively with the trimethylguanosine (m(3)(2,2,7)-GTP) moiety located at the 5' end of some RNA molecules. Such trimethylated cap structures, generally produced by posttranscriptional modification of a 7-methylguanosine cap, are often found on snRNAs and snoRNAs transcribed by RNA polymerase II, but have also be found on snRNAs transcribed by RNA polymerase III. They have also been found on a subset of the mRNA population in some species, e.g. C. elegans.
	Term	RNA trimethylguanosine cap binding
	Type	Molecular_function
	Parent	Instance_of	GO:0000339
	Attributes_of	Index	Ancestor (9)
			Descendent	GO:0000341
				GO:0003724
				GO:0030555

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