TY - RPRT TI - Combinatorial protein engineering by incremental truncation. AU - M Ostermeier AU - A E Nixon AU - J H Shim AU - S J Benkovic PY - 1999 DO - 10.1073/pnas.96.7.3562 UR - https://pubmed.ncbi.nlm.nih.gov/10097076/ ID - 10097076 ER -