>1osgB (B:) observed residues (from ATOM records) vtqdclqliadsetptiqkgsytfvpwllsfkrgsaleekenkilvketgyffiygqvly tdktyamghliqrkkvhvfgdelslvtlfrciqnmpetlpnnscysagiakleegdelql aiprenaqisldgdvtffgalkll