I m woking on protein coding problem . one amoni acid code for more than codon.suppose 
%CodonMap = (
'GCA'=>'A', 'GCC'=>'A', 'GCG'=>'A', 'GCU'=>'A')
%reverse=reverse(%CodonMap);
for($i=0;$i<4;$i++)
{
$value.=$reverse{'A'};
print "$value\n";
}

[download]
how to get all different codon for A.

In reply to how extract values of hash via key by sahusonu

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