Patent ID: 8394940

Claim:
An isolated polynucleotide selected from the group consisting of the following (a) to (d): (a) a polynucleotide encoding a protein comprising the amino acid sequence of SEQ ID NO:2; (b) a polynucleotide encoding a protein which consists of an amino acid sequence comprising a substitution, deletion and/or insertion of one to ten amino acids in the amino acid sequence of SEQ ID NO:2 and has an L-Trp deaminase activity; (c) a polynucleotide encoding a protein which consists of an amino acid sequence having 95% or more homology to the amino acid sequence of SEQ ID NO:2 and has an L-Trp deaminase activity; and (d) a polynucleotide comprising the nucleotide sequence of nucleotide positions 61 to 1476 in the nucleotide sequence of SEQ ID NO:1.