>3hx7W (W:) observed residues (from ATOM records)
mssqirqnystdveaavnslvnlylqasytylslgfyfdrddvalegvshffrelaeekr
egyerllkmqnqrggralfqdikkpaedewgktpdamkaamalekklnqalldlhalgsa
rtdphlcdflethfldeevklikkmgdhltnlhrl