>1ktkB (B:) observed residues (from ATOM records)
kkdisnvksdllyaytitpydykdcrvnfstthtlnidtqkyrgkdyyissemsyeasqk
fkrddhvdvfglfyilnshtgeyiyggitpaqnnkvnhkllgnlfiqnlnnkiilekdiv
tfqeidfkirkylmdnykiydatspyvsgrieigtkdgkheqidlfdspnegtrsdifak
ykdnriinmknfshfdiyle