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  • FAQ: What K. lactis protease deletion strains does NEB sell?

    NEB sells four protease deletion strains:

    NEB #C1003S: strain YCT569 (ΔKLLA0D01507g)
    NEB #C1004S: strain YCT389 (Δyps1)
    NEB #C1005S: strain YCT390 (Δyps7)
    NEB #C1006S: strain YCT598 (Δbar1)

    Each strain is sold in a frozen competent cell format and is ready to be transformed by any pKLAC-series or pKLMF-series vector. Additionally, NEB sells a sampler pack that combines one competent cell transformation reaction for each strain (NEB #C1007S).