[Bioperl-l] How to access an array of codons

[manni122]

thanks for helping me. I understand!
Cheers, Markus.



manni122 wrote:
> 
> Hi there, if I want to access my hash of arrays %aa2cod I can print out
> the array key and the first value by 
> 
> for my $key (keys %aa2cod) {
> print "$key => $aa2cod{$key}[0]\n";
> }
> 
> How can I find a specific codon within this hash of arrays and extract the
> corresponding array. For instance I am looking for GCA and want to get the
> whole array [GCA GCC GCG GCT].
> 
> I appreciate any comment!!
> 
> 
> my %aa2cod = (
> 	'A' => ['GCA', 'GCC', 'GCG', 'GCT'], # Alanine
> 	'C' => ['TGC', 'TGT'], # Cysteine
> 	'D' => ['GAC', 'GAT'], # Aspartic Acid
> 	'E' => ['GAA', 'GAG'], # Glutamic Acid
> 	'F' => ['TTC', 'TTT'], # Phenylalanine
> 	'G' => ['GGA', 'GGC', 'GGG', 'GGT'], # Glycine
> 	'H' => ['CAC', 'CAT'], # Histidine
> 	'I' => ['ATA', 'ATC', 'ATT'], # Isoleucine
> 	'K' => ['AAA', 'AAG'], # Lysine
> 	'L' => ['TTA', 'TTG', 'CTA', 'CTC', 'CTG', 'CTT'], # Leucine
> 	'M' => ['ATG'], # Methionine
> 	'N' => ['AAC', 'AAT'], # Asparagine
> 	'P' => ['CCA', 'CCC', 'CCG', 'CCT'], # Proline
> 	'Q' => ['CAA', 'CAG'], # Glutamine
> 	'R' => ['CGA', 'CGC', 'CGG', 'CGT', 'AGA', 'AGG'], # Arginine
> 	'S' => ['TCA', 'TCC', 'TCG', 'TCT', 'AGC', 'AGT'], # Serine
> 	'T' => ['ACA', 'ACC', 'ACG', 'ACT'], # Threonine
> 	'V' => ['GTA', 'GTC', 'GTG', 'GTT'], # Valine
> 	'W' => ['TGG'], # Tryptophan
> 	'Y' => ['TAC', 'TAT'], # Tyrosine
> 	'_' => ['TAA', 'TAG', 'TGA'] # Stop
> 	);
> 
> 

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