>4x7uB (B:) observed residues (from ATOM records)
pstgvelyldllkrtvsnfiyqdathvagliteaafveearesgedyptvahtmigmkrl
nnlqhcvesalrdgvpgdvletgvwrggacifargilkaydvrdrtvwvadsfqgfpkit
dddhpmdaemnlhqyneavdlptslatvqrnfsrygllddqvrflpgwfkdtmptapfer
lavlrmdgdsygatmdvlthayprlspggfaiiddycipacreavheyrdrhgisdeive
idrqgvywrrsa