tokens: The missing 5 ' sequences were obtained by 5 ' - rapid amplification of cDNA ends and by analysis of an NHE5 genomic clone , and the missing 3 ' sequences were obtained by 3 ' - rapid amplification of cDNA ends .
folded_tokens: the miss 5 ' sequence be obtain by 5 ' - rapid amplification of cdna end and by analysis of a nhe5 genomic clone , and the miss 3 ' sequence be obtain by 3 ' - rapid amplification of cdna end .