>5k0zA (A:) observed residues (from ATOM records)
atlkeklitpvtvpsnkitvvgvgqvgmacaisilgkglcdelalvdvledklkgemmdl
qhgslflqthkivadkdyavtanskivvvtagvlvqrnvnvfkfiipqivkyspnctilv
vsnpvdiltyvtwklsglpkhrvigsgcnldtarfrylmaerlgihptschgwilgehgd
ssvavwsgvnvagvslqelnpamgtdkdsenwkevhkqvvesayevirlkgytnwaigls
vaelcetmlknlyrvhsvstlvkgtygiendvflslpcvlsasgltsvinqklkddevaq
lkksadtlwsiqkdlkd