>6fxnA (A:) observed residues (from ATOM records)
vtqdclqliadsetptiqkgsytfvpwllsfkrgsaleekenkilvketgyffiygqvly
tdktyamghliqrkkvavfgdelslvtlfrciqnmpetlpnnscysagiakleegdelql
aiprenaqisldgdvtffgalkll