8i0q L 4.45 BS01 peptide V 0 S31 R67 S31 R67 37209686 343 ~ 351 SDIQMTQSPSSLSASVGDRVTITCRASQSVSSAVAWYQQKPGKAPKLLIYSASSLYSGVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQYKYVPVTFGQGTKVE