>4druB (B:) observed residues (from ATOM records)
smsytwtgalitpcaaeesklpinplsnsllrhhnmvyattsrsaslrqkkvtfdrlqvl
ddhyrdvlkemkakastvkakllsieeackltpphsakskfgygakdvrnlssravnhir
svwedlledtetpidttimaksevfcvqgrkparlivfpdlgvrvcekmalydvvstlpq
avmgssygfqyspkqrveflvntwkskkcpmgfsydtrcfdstvtesdirveesiyqccd
lapearqairslterlyiggpltnskgqncgyrrcrasgvlttscgntltcylkataacr
aaklqdctmlvngddlvvicesagtqedaaalrafteamtrysappgdppqpeydlelit
scssnvsvahdasgkrvyyltrdpttplaraawetarhtpinswlgniimyaptlwarmi
lmthffsillaqeqlekaldcqiygacysiepldlpqiierlhglsaftlhsyspgeinr
vasclrklgvpplrtwrhrarsvrakllsqggraatcgrylfnwavrtklkltpipaasq
ldlsgwfvagysggdiyhs