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<p>#!/usr/bin/perl<br /> # Translate DNA into protein</p> <p>my $dna = &#39;ATGGCAGTGCCCTTTGTGGAAGACTGGGACTTGGTGCAAACCCTGGGAGAAGGTGCCTATGGAGAAGTTCAACTTGCTGTGAATAGAGTAACTGAAGAAGCAGTCGCAGTGAAGATTGTAGATATGAAGCGTGCCGTAGACTGTCCAGAAAATATTAAGAAAGAGATCTGTATCAATAAAATGCTAAATCATGAAAATGTAGTAAAATTCTATGGTCACAGGAGAGAAGGCAATATCCAATATTTATTTCTGGAGTACTGTAGTGGAGGAGAGCTTTTTGACAGAATAGAGCCAGACATAGGCATGCCTGAACCAGATGCTCAGAGATTCTTCCATCAACTCATGGCAGGGGTGGTTTATCTGCATGGTATTGGAATAACTCACAGGGATATTAAACCAGAAAATCTTCTGTTGGATGAAAGGGATAACCTCAAAATCTCAGACTTTGGCTTGGCAACAGTATTTCGGTATAATAATCGTGAGCGTTTGTTGAACAAGATGTGTGGTACTTTACCATATGTTGCTCCAGAACTTCTGAAGAGAAGAGAATTTCATGCAGAACCAGTTGATGTTTGGTCCTGTGGAATAGTACTTACTGCAATGCTCGCTGGAGAATTGCCATGGGACCAACCCAGTGACAGCTGTCAGGAGTATTCTGACTGGAAAGAAAAAAAAACATACCTCAACCCTTGGAAAAAAATCGATTCTGCTCCTCTAGCTCTGCTGCATAAAATCTTAGTTGAGAATCCATCAGCAAGAATTACCATTCCAGACATCAAAAAAGATAGATGGTACAACAAACCCCTCAAGAAAGGGGCAAAAAGGCCCCGAGTCACTTCAGGTGGTGTGTCAGAGTCTCCCAGTGGATTTTCTAAGCACATTCAATCCAATTTGGACTTCTCTCCAGTAAACAGTGCTTCTAGTGAAGAAAATGTGAAGTACTCCAGTTCTCAGCCAGAACCCCGCACAGGTCTTTCCTTATGGGATACCAGCCCCTCATACATTGATAAATTGGTACAAGGGATCAGCTTTTCCCAGCCCACATGTCCTGATCATATGCTTTTGAATAGTCAGTTACTTGGCACCCCAGGATCCTCACAGAACCCCTGGCAGCGGTTGGTCAAAAGAATGACACGATTCTTTACCAAATTGGATGCAGACAAATCTTATCAATGCCTGAAAGAGACTTGTGAGAAGTTGGGCTATCAATGGAAGAAAAGTTGTATGAATCAGGTTACTATATCAACAACTGATAGGAGAAACAATAAACTCATTTTCAAAGTGAATTTGTTAGAAATGGATGATAAAATATTGGTTGACTTCCGGCTTTCTAAGGGTGATGGATTGGAGTTCAAGAGACACTTCCTGAAGATTAAAGGGAAGCTGATTGATATTGTGAGCAGCCAGAAGGTTTGGCTTCCTGCCACATGA&#39;;<br /> my $protein = &#39;&#39;;<br /> my $codon;</p> <p>&nbsp;sub Codon_table {<br /> &nbsp; &nbsp; &nbsp;my($codon) = @_;<br /> &nbsp; &nbsp; &nbsp; &nbsp; if( $codon =~ /TCA/i ){ return &#39;S&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TCC/i ){ return &#39;S&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TCG/i ){ return &#39;S&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TCT/i ){ return &#39;S&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TTC/i ){ return &#39;F&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TTT/i ){ return &#39;F&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TTA/i ){ return &#39;L&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TTG/i ){ return &#39;L&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TAC/i ){ return &#39;Y&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TAT/i ){ return &#39;Y&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TAA/i ){ return &#39;*&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TAG/i ){ return &#39;*&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TGC/i ){ return &#39;C&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TGT/i ){ return &#39;C&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TGA/i ){ return &#39;*&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /TGG/i ){ return &#39;W&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CTA/i ){ return &#39;L&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CTC/i ){ return &#39;L&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CTG/i ){ return &#39;L&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CTT/i ){ return &#39;L&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CCA/i ){ return &#39;P&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CCC/i ){ return &#39;P&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CCG/i ){ return &#39;P&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CCT/i ){ return &#39;P&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CAC/i ){ return &#39;H&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CAT/i ){ return &#39;H&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CAA/i ){ return &#39;Q&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CAG/i ){ return &#39;Q&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CGA/i ){ return &#39;R&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CGC/i ){ return &#39;R&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CGG/i ){ return &#39;R&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /CGT/i ){ return &#39;R&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /ATA/i ){ return &#39;I&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /ATC/i ){ return &#39;I&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /ATT/i ){ return &#39;I&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /ATG/i ){ return &#39;M&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /ACA/i ){ return &#39;T&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /ACC/i ){ return &#39;T&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /ACG/i ){ return &#39;T&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /ACT/i ){ return &#39;T&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /AAC/i ){ return &#39;N&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /AAT/i ){ return &#39;N&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /AAA/i ){ return &#39;K&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /AAG/i ){ return &#39;K&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /AGC/i ){ return &#39;S&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /AGT/i ){ return &#39;S&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /AGA/i ){ return &#39;R&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /AGG/i ){ return &#39;R&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GTA/i ){ return &#39;V&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GTC/i ){ return &#39;V&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GTG/i ){ return &#39;V&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GTT/i ){ return &#39;V&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GCA/i ){ return &#39;A&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GCC/i ){ return &#39;A&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GCG/i ){ return &#39;A&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GCT/i ){ return &#39;A&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GAC/i ){ return &#39;D&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GAT/i ){ return &#39;D&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GAA/i ){ return &#39;E&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GAG/i ){ return &#39;E&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GGA/i ){ return &#39;G&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GGC/i ){ return &#39;G&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GGG/i ){ return &#39;G&#39; }<br /> &nbsp; &nbsp; &nbsp;elsif( $codon =~ /GGT/i ){ return &#39;G&#39; }<br /> &nbsp; &nbsp; &nbsp;else{print STDERR &quot;Wrong!!\nPlease check your sequence\n\n&quot;;<br /> &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;exit;}<br /> }</p> <p>for(my $i=0; $i &lt; (length($dna) - 2) ; $i += 3) {<br /> &nbsp; &nbsp; $codon = substr($dna,$i,3);<br /> &nbsp; &nbsp; $protein .= Codon_table($codon);<br /> }</p> <p>print &quot;\n &nbsp;&lt;DNA&gt;\n\n$dna\n\n &nbsp;&lt;Protein&gt;\n\n$protein\n\n&quot;;</p> <p>exit;</p> <p>________________________________________________________________________________________________________________________________________________________________________________________________________</p> <p>[[Homo sapiens Checkpoint kinase CHK1]]</p>

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