| 摘要 |
A DNA encoding the following protein (A) or (B) which participates in a temperature sensitivity to a surfactant of coryneform bacteria: (A) a protein which has an amino acid sequence shown in SEQ ID NO: 2, or an amino acid sequence shown in SEQ ID NO: 2 in which a leucine residue at position 139 is changed to an amino acid residue other than a proline residue, said protein having a temperature-sensitive DTSR activity, or (B) a protein which has an amino acid sequence comprising substitution, deletion, insertion, addition or inversion of one or several amino acids other than the amino acid residue at the position 139 in the amino acid sequence shown in SEQ ID NO: 2, or the amino acid sequence shown in SEQ ID NO: 2 in which the leucine residue at the position 139 is changed to the amino acid residue other than the proline residue, said protein having a temperature-sensitive DTSR activity.
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