4u20 BG 2.9 BS01 rna BA 0 S2 R3 V4 N38 A63 Q64 T67 A70 L71 F109 S110 H111 K138 Q139 G142 Q143 Y157 K158 K160 K172 A174 K175 S1 R2 V3 N37 A62 Q63 T66 A69 L70 F108 S109 H110 K137 Q138 G141 Q142 Y156 K157 K159 K171 A173 K174 ? 0000027,0002181,0003735,0005737,0005829,0005840,0006412,0019843,0022625,0046677,0070180,1990904 P0AG55 24957822 1 ~ 2903 SRVAKAPVVVPAGVDVKINGQVITIKGKNGELTRTLNDAVEVKHADNTLTFGPRDGYADGWAQAGTARALLNSMVIGVTEGFTKKLQLVGVGYRAAVKGNVINLSLGFSHPVDHQLPAGITAECPTQTEIVLKGADKQVIGQVAADLRAYRRPEPYKGKGVRYADEVVRTKEAKKK