>1rz9D (D:) observed residues (from ATOM records)
matfyevivrvpfdveehlpgisdsfvdwvtgqiwelppesdlnltlveqpqltvadrir
rvflyewnkfskqeskffvqfekgseyfhlhtlvetsgissmvlgryvsqiraqlvkvvf
qgiepqindwvaitkvkkggankvvdsgyipayllpkvqpelqwawtnldeyklaalnle
erkrlvaqflaes