+ int i=0, iSize = seqs.length, j, jSize;\r
+ while(isNucleotide && i<iSize)\r
+ {\r
+ jSize = seqs[i].getLength();\r
+ for(j=0; j<jSize; j++)\r
+ {\r
+ if(!jalview.schemes.ResidueProperties.nucleotideHash.containsKey(seqs[i].getSequence(j, j+1))\r
+ && !jalview.util.Comparison.isGap(seqs[i].getSequence().charAt(j)))\r
+ {\r
+ isNucleotide = false;\r
+ break;\r
+ }\r
+ }\r
+ i++;\r
+ }\r
+\r