TY - RPRT TI - Peptide mapping of subtilisins as a practical tool for locating protein sequence errors during extensive protein engineering projects. AU - T Christianson AU - C Paech PY - 1994 DO - 10.1006/abio.1994.1556 UR - https://pubmed.ncbi.nlm.nih.gov/7695086/ ID - 7695086 ER -