4usg B 1.973 BS01 dna C 0 R70 R75 F77 K80 L82 R86 Y89 P98 G99 R100 S104 Q109 Q112 R9 R14 F16 K19 L21 R25 Y28 P37 G38 R39 S43 Q48 Q51 ? 0003677,0003713,0006355,0060261 P53999 25739870 5 ~ 22 AMFQIGKMRYVSVRDFKGKVLIDIREYYMDPEGEMKPGRKGISLNPEQWSQLKEQISDIDDAVRKL