4z0x A 2.0 BS01 peptide C 0 D29 K30 Y31 D50 W90 S93 D28 K29 Y30 D49 W89 S92 27641232 435 ~ 446 YVLTQPPSVSVAPGQTASITCSGDKLGDKYVSWYQQRPGQSPVLVLYQDSKRPSGIPERFSGSNSGNTATLTISGTQAMDEADYYCQAWDSSALVFGGGTKLTVL