PUCHHEIM, Germany--(BUSINESS WIRE)--In addition to its gene synthesis service, Sloning BioTechnology now provides a custom mutant library (SlonoMaxTM) construction service. SlonoMaxTM libraries are comprised exclusively of the desired mutant proteins in precisely defined proportions. Libraries of such high quality are a novel development, and Sloning is the first company to offer this service, which will open new possibilities and expand the potential of the field of directed evolution.