Wilmar (shanghai) Biotechnology Research & Development Center Co., Ltd.

Sitian Gu

Wei Wu

Qiwen Niu

Yaoji Xuan

Sha Liu

Yueyi Bao

Provided is a mutant of the wild type phosphatidylcholine-specific phospholipase C of. The mutations involved comprise the amino acid residue at position 63 being mutated from asparagine to aspartic acid, the amino acid residue at position 131 being mutated from asparagine to serine, and the amino acid residue at position 134 being mutated from asparagine to aspartic acid, and may comprise the amino acid residue at position 56 being mutated from tyrosine to alanine, lysine, asparagine, glutamine, histidine or tryptophan, and further, may also comprise the amino acid residue at position 106 being mutated from methionine to valine. Also provided are a polynucleotide molecule encoding the mutant, a nucleic acid construct and a host cell comprising the polynucleotide molecule, a composition comprising the mutant, and the use of the mutant, the polynucleotide molecule, the nucleic acid construct and the host cell.

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Shanghai, China

Sitian Gu