>3hx7N (N:) observed residues (from ATOM records)
mssqirqnystdveaavnslvnlylqasytylslgfyfdrddvalegvshffrelaeekr
egyerllkmqnqrggralfqdikkpaedewgktpdamkaamalekklnqalldlhalgsa
rtdphlcdflethfldeevklikkmgdhltnlhrlggpeag