TY - RPRT TI - Structural, functional, and evolutionary relationships between lambda-exonuclease and the type II restriction endonucleases. AU - R A Kovall AU - B W Matthews PY - 1998 DO - 10.1073/pnas.95.14.7893 UR - https://pubmed.ncbi.nlm.nih.gov/9653111/ ID - 9653111 ER -