1b8i B 2.4 BS01 dna C 0 R205 Y228 R256 I257 R1 Y24 R52 I53 ? 0000981,0003677,0006355 P40427 10067897 1 ~ 15 RRNFSKQASEILNEYFYSHLSNPYPSEEAKEELARKCGITVSQVSNWFGNKRIRYKKN 1b8i B 2.4 BS02 dna D 0 R205 N207 F208 Q247 N250 N254 R258 R1 N3 F4 Q43 N46 N50 R54 ? 0000981,0003677,0006355 P40427 10067897 16 ~ 30 RRNFSKQASEILNEYFYSHLSNPYPSEEAKEELARKCGITVSQVSNWFGNKRIRYKKN