4u3n N2 3.2 BS01 rna 1 0 K42 V43 E44 K70 S72 G73 K74 Y75 K77 Y78 K81 K82 K85 R94 V96 S97 N101 Y103 K34 V35 E36 K62 S64 G65 K66 Y67 K69 Y70 K73 K74 K77 R86 V88 S89 N93 Y95 ? 0002181,0003723,0003735,0005737,0005829,0005840,0006412,0022625,1990904 P05749 25209664 3 ~ 3396 QKIAKTFTVDVSSPTENGVFDPASYAKYLIDHIKVEGAVGNLGNAVTVTEDGTVVTVVSTAKFSGKYLKYLTKKYLKKNQLRDWIRFVSTKTNEYRLAFY