6hks B 2.19441 BS01 peptide H 0 K520 F521 F523 N524 L525 K526 Q531 S538 H572 D573 V576 K17 F18 F20 N21 L22 K23 Q28 S35 H69 D70 V73 3.1.3.48 P26045 31092861 2 ~ 7 GDSYLVLIRITPDEDGKFGFNLKGGVDQKMPLVVSRINPESPADTCIPKLNEGDQIVLINGRDISEHTHDQVVMFIKASRESHSRELALVIRRR