>3tkyB (B:) observed residues (from ATOM records)
iqiipthssdeeanlfamqlasaavlpmalkaaieldvleimaksvgyispaeiaaqlpt
tnpeapvmldrvlrllasysvvtytlrerlyglapvckfltknedgvslapflllatdkv
llepwfylkdaileggipfnkaygmnifdyhgtdhrinkvfnkgmssnstitmkkilemy
ngfeglttivdvgggtgavasmivakypsinainfdlphviqdapafsgvehlggdmfdg
vpkgdaifikwichdwsdehclkllkncyaalpdhgkvivaeyilppspdpsiatkvvih
tdalmlaynpggkertekefqalamasgfrgfkvascafntyvmeflkt