Nucleotide sequence and deduced amino acid sequence of K31 gene. The accession no. was AY885255 at Genbank. K31 cDNA was 1106 bp. Its ORF has 342 nucleotides, which codes 113 aa. The nucleotides (lower row) and deduced amino acids (upper row) are numbered at the right side of the sequences, respectively. Poly (A) signal (in the 3' UTR) is underlined. The start codon (ATG) is in bold and the stop codon (TAA) is indicated by an asterisk. An unstable motif (ATTTA) is doubly underlined.