>3by9_A   260   2     
# si pdb  3by9_A      99.62   259     1.70  SCOP 3by9_A
# si pdb  3by9_B      99.23   258     1.70  SCOP 3by9_B
XRFQYQALLNEHQSQLDRFSSHIVATLDKYAHIPHLISKDKELVDALLSA  
QNSAQIDITNRYLEQVNEVIQAADTYLIDRFGNTIASSNWNLDRSFIGRN  
FAWRPYFYLSIAGQKSQYFALGSTSGQRGYYYAYPVIYAAEILGVIVVKX  
DLSAIEQGWQNKSSYFVATDDHQVVFXSSQPAWLFHSVADLSPAQLNDIR  
QSQQYLDSPIPSLGWQGDLQAEQSEWRKPEKHWLQDDYIVSSRPLPELAL  
TIRVLSPKIE