8i0q M 4.45 BS01 peptide U 0 S31 R67 S31 R67 37209686 343 ~ 351 SDIQMTQSPSSLSASVGDRVTITCRASQSVSSAVAWYQQKPGKAPKLLIYSASSLYSGVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQYKYVPVTFGQGTKVE