2n8t A -1.00 BS01 peptide B 0 D15 Y21 V23 H25 S27 T29 T30 T31 D15 Y21 V23 H25 S27 T29 T30 T31 2.3.2.26 Q62940 26841867 40 ~ 53 GSSSGLPPGWEEKQDDRGRSYYVDHNSKTTTWSKPTMQD