Functional changes associated with mutations found in this studya.

aMutations from literature were aligned to and listed by the codon numbers used in our study.bFunctions attributed to mutations in the literature.cAmino acid substitutions occurring at the same position in our study with the number of occurrences shown in parenthesis. Mutations that occurred more frequently are listed in top rows.dYes = positive selection occurring in our study; No = no positive selection.eLiterature describing mutations in column a.