Test Google App Script

translate.js

/** class GeneticCode */
function GeneticCode(name,ncbiString)
   {
   this.name=name;
   this.ncbiString=ncbiString;
   };
/** std genetic code */
GeneticCode.STANDARD=new GeneticCode(
   "standard",
   "FFLLSSSSYY**CC*WLLLLPPPPHHQQRRRRIIIMTTTTNNKKSSRRVVVVAAAADDEEGGGG"
   );

GeneticCode.prototype.base2index=function(c)
   {
   switch(c)
         {
         case 'T':case 't': return 0;
         case 'C':case 'c': return 1;
         case 'A':case 'a': return 2;
         case 'G':case 'g': return 3;
         default: return -1;
         }
   };

GeneticCode.prototype.translate=function( b1, b2, b3)
   {
   if(arguments.length==1)
      {
      var prot="";
      for(var i=0;i+2 < b1.length;i+=3)
         {
         prot+= this.translate(b1[i],b1[i+1],b1[i+2]);
         }
      return prot;
      }
    
   var base1= this.base2index(b1);
   var base2= this.base2index(b2);
   var base3= this.base2index(b3);
   if(base1==-1 || base2==-1 || base3==-1)
         {
         return '?';
         }
   else
         {
         return this.ncbiString[base1*16+base2*4+base3];
         }
   }



function translateDna(dna)
{
return GeneticCode.STANDARD.translate(dna);  
}