>2ck3F (F:) observed residues (from ATOM records)
ttgrivavigavvdvqfdeglppilnalevqgretrlvlevaqhlgestvrtiamdgteg
lvrgqkvldsgapiripvgpetlgrimnvigepidergpiktkqfaaihaeapefvemsv
eqeilvtgikvvdllapyakggkiglfggagvgktvlimelinnvakahggysvfagvge
rtregndlyhemiesgvinlkdatskvalvygqmneppgararvaltgltvaeyfrdqeg
qdvllfidnifrftqagsevsallgripsavgyqptlatdmgtmqeritttkkgsitsvq
aiyvpaddltdpapattfahldattvlsraiaelgiypavdpldstsrimdpnivgsehy
dvargvqkilqdykslqdiiailgmdelseedkltvsrarkiqrflsqpfqvaevftghl
gklvplketikgfqqilageydhlpeqafymvgpieeavakadkla