4u3n D5 3.2 BS01 rna 2 0 G73 S74 R77 R81 K94 H95 G38 S39 R42 R46 K59 H60 ? 0002181,0003735,0005737,0005829,0005840,0022627,1990904 Q3E792 25209664 1 ~ 1798 AQHAVILDQEKYDRILKEVPTYRYVSVSVLVDRLKIGGSLARIALRHLEKEGIIKPISKHSKQAIYTRAT