6gxp u 4.4 BS01 rna a 0 Y37 E38 R44 K45 K48 A49 R66 Y35 E36 R42 K43 K46 A47 R64 ? 0000028,0002181,0003735,0005737,0005829,0005840,0006412,0019843,0022627,1990904 P68679 30076302 2 ~ 1540 IKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKLARENARRT