generation of mature 3'-end of 5S rRNA generated by RNA polymerase III
The removal of extra uridine residues from the 3' end of a 5S pre-rRNA generated by transcription by RNA polymerase III to generate the mature 3'-end.
GO:0000481
maturation of 5S rRNA
is_a
GO:0031125
rRNA 3'-end processing
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