>3hx7P (P:) observed residues (from ATOM records)
mssqirqnystdveaavnslvnlylqasytylslgfyfdrddvalegvshffrelaeekr
egyerllkmqnqrggralfqdikkpaedewgktpdamkaamalekklnqalldlhalgsa
rtdphlcdflethfldeevklikkmgdhltnlhrlggp