A gene containing a DNA having the nucleotide sequence encoding any one of the amino acid sequences of the following (a) to (e): (a) an amino acid sequence set out in SEQ ID NO: 1; (b) an amino acid sequence having the sequence homology of 80% or more with (a); (c) an amino acid sequence having the sequence homology of 90% or more with (a); (d) an amino acid sequence encoded by a DNA having the nucleotide sequence set out in SEQ ID NO: 2; (e) an amino acid sequence encoded by a DNA having the nucleotide sequence having the sequence homology of 80% or more with (d).