Here's mine at 310 strokes - a whole tournament an still over par!

sub RNA {
@_{'UAAUAGUGAGCUGCCGCAGCGUGUUGCGAUGACGAAGAGUUUUUCGGUGGCGGAGGGCAUCACAUU
+AUCAUAAAAAAGCUUCUCCUACUGUUAUUGAUGAAUAACCCUCCCCCACCGCAACAGCGUCGCCGACGG
+AGAAGGUCUUCCUCAUCGAGUAGCACUACCACAACGGUUGUCGUAGUGUGGUAUUAC'=~/(...)/g}
+=split//,'...AAAACCDDEEFFGGGGHHIIIKKLLLLLLMNNPPPPQQRRRRRRSSSSSSTTTTVV
+VVWYY';$_=pop;s/..?.?/$_{$&}/g;$_
}
[download]

cheers

tachyon

s&&rsenoyhcatreve&&&s&n.+t&"$'$`$\"$\&"&ee&&y&srve&&d&&print