>3hx2W (W:) observed residues (from ATOM records)
ssqirqnystdveaavnslvnlylqasytylslgfyfdrddvalegvshffrelaeekre
gyerllkmqnqrggralfqdikkpaedewgktpdamkaamalekklnqalldlhalgsar
tdphlcdflethfldeevklikkmgdhltnlhrlggpe