4v7v AU 3.2891 BS01 rna AA 0 Y37 E38 K48 A49 Y35 E36 K46 A47 ? 0003735,0005840,0006412 P68679 20876128 2 ~ 1534 IKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVK