>3hx7D (D:) observed residues (from ATOM records)
rmssqirqnystdveaavnslvnlylqasytylslgfyfdrddvalegvshffrelaeek
regyerllkmqnqrggralfqdikkpaedewgktpdamkaamalekklnqalldlhalgs
artdphlcdflethfldeevklikkmgdhltnlhrlggpea