7uvz u 2.21 BS01 rna a 0 P41 T42 R45 K46 K49 V53 R55 Y56 P40 T41 R44 K45 K48 V52 R54 Y55 ? 0003735,0005840,0006412 A0A0Q7FMS9 37192172 3 ~ 1530 PQVKLKEGEPVDVAIRRFKRSCEKAGVLADVRKREFYEKPTQERKRKKAAAVKRYQKKLARES