4dx9 a 2.99 BS01 peptide b 0 R140 M141 C143 Q181 F191 R54 M55 C57 Q87 F97 ? O14713 23317506 784 ~ 793 CAEFRIKYVGAIEKGLEGPLDLINYIDVAKLPFVPIMGVSKYGIKRHALYLIIRMVCYDDGGKSLLALKTTEYSLWVYQCNSLEQAQAICKVLSTAFDS