4z59 A 2.3 BS01 dna B 0 R21 T27 Q28 Q39 S43 N47 R18 T24 Q25 Q36 S40 N44 ? 0003677 P23873 1 ~ 20 FQKIYSPTQLANAMKLVRQQNGWTQSELAKKIGIKQATISNFENNPDNTTLTTFFKILQSLELSMTLCDAK