Bibliografisk träff 2006-03-20 Alternative mutations of a positively selected residue elicit gain or loss of functionalities in enzyme evolution. Norrgård MA, Ivarsson Y, Tars K, Mannervik B. Proc Natl Acad Sci U S A · research support, non-u.s. gov't; research-article; journal article · DOI 10.1073/pnas.0600849103