>3hx7K (K:) observed residues (from ATOM records)
mssqirqnystdveaavnslvnlylqasytylslgfyfdrddvalegvshffrelaeekr
egyerllkmqnqrggralfqdikkpaedewgktpdamkaamalekklnqalldlhalgsa
rtdphlcdflethfldeevklikkmgdhltnlhrlggpea