6fnz D 2.23 BS01 peptide G 0 S268 G269 R273 S12 G13 R17 ? 0035556 O43602 29717716 0 ~ 5 FVRPKLVTIIRSGVKPRKAVRVLLNKKTAHSFEQVLTDITEAIKLETGVVKKLYTLDGKQVTCLHDFFGDDDVFIACGP