>2vl3A (A:) observed residues (from ATOM records) sapikvgdaipavevfegepgnkvnlaelfkgkkgvlfgvpgaftpgcskthlpgfveqa ealkakgvqvvaclsvndafvtgewgrahkaegkvrlladptgafgketdlllddslvsi fgnrrlkrfsmvvqdgivkalnvepdgtgltcslapniisql