>1kxgF (F:) observed residues (from ATOM records) vtqdclqliadsetptiqkgsytfvpwllsfkrgsaleekenkilvketgyffiygqvly tdktyamghliqrkkvhvfgdelslvtlfrciqnmpetlpnnscysagiakleegdelql aiprenaqisldgdvtffgalkll