2hos B 1.9 BS01 dna C 0 Y25 R31 K46 K50 R53 K57 Y24 R30 K45 K49 R52 K56 ? 0003677 Kd=5.8nM P02836 17240973 1 ~ 21 KRPRTAFSSEQLARLKREFNENRYLTERRRQQLSSELGLNEAQVKGWFKNMRAKIKKS 2hos B 1.9 BS02 dna D 0 R3 N51 R2 N50 ? 0003677 Kd=5.8nM P02836 17240973 22 ~ 42 KRPRTAFSSEQLARLKREFNENRYLTERRRQQLSSELGLNEAQVKGWFKNMRAKIKKS