6fnz A 2.23 BS01 peptide F 0 S268 G269 R273 S11 G12 R16 ? 0035556 O43602 29717716 0 ~ 5 VRPKLVTIIRSGVKPRKAVRVLLNKKTAHSFEQVLTDITEAIKLETGVVKKLYTLDGKQVTCLHDFFGDDDVFIACGP