4x3i A 1.8 BS01 peptide B 0 D210 T211 Q212 I213 F214 E215 F220 H223 L224 Y227 H245 N247 F271 D5 T6 Q7 I8 F9 E10 F15 H18 L19 Y22 H40 N42 F66 ? 0003729,0050804,2000969 Q63053 25864631 309 ~ 315 FPGLDTQIFEDPREFLSHLEEYLRQVGGSEEYWLSQIQNHMNGPAKKWWEFKQGSVKNWVEFKKEFLQYSEG