4u20 AK 2.9 BS01 rna AA 0 H22 N28 N29 I31 T33 G39 N40 A41 W44 T46 R53 G54 S55 K57 K87 I116 H118 N119 G120 C121 R122 K125 K126 R127 R128 H10 N16 N17 I19 T21 G27 N28 A29 W32 T34 R41 G42 S43 K45 K75 I104 H106 N107 G108 C109 R110 K113 K114 R115 R116 ? 0002181,0003735,0005515,0005737,0005829,0005840,0006412,0019843,0022627,0070181,1990904 P0A7R9 24957822 2 ~ 1539 RKQVSDGVAHIHASFNNTIVTITDRQGNALGWATAGGSGFRGSRKSTPFAAQVAAERCADAVKEYGIKNLEVMVKGPGPGRESTIRALNAAGFRITNITDVTPIPHNGCRPPKKRRV 4u20 AK 2.9 BS02 rna BA 0 R13 R69 K75 E76 Y77 R1 R57 K63 E64 Y65 ? 0002181,0003735,0005515,0005737,0005829,0005840,0006412,0019843,0022627,0070181,1990904 P0A7R9 24957822 1 ~ 2903 RKQVSDGVAHIHASFNNTIVTITDRQGNALGWATAGGSGFRGSRKSTPFAAQVAAERCADAVKEYGIKNLEVMVKGPGPGRESTIRALNAAGFRITNITDVTPIPHNGCRPPKKRRV