4bts B1 3.703 BS01 rna BA 0 K17 S20 R21 G22 K15 S18 R19 G20 ? 0000028,0003735,0005840,0006412,0022627,0030490 E6PBU6 23851459 1 ~ 1753 TEETTKARIMDVLGKTGSRGGITQVRVVLISGKEEGRQLIRNVKGACRVGDVLELMECEREARRLR