>4d09B (B:) observed residues (from ATOM records)
deytkllhdgiqpvaaidsnfasftytprslpeddtsmailsmlqdmnfinnykidcptl
arfclmvkkgyrdppyhnwmhafsvshfcyllyknleltnyledieifalfiscmchdld
hrgtnnsfqvasksvlaalyssegsvmerhhfaqaiailnthgcnifdhfsrkdyqrmld
lmrdiilatdlahhlrifkdlqkmaevgydrnnkqhhrlllcllmtscdlsdqtkgwktt
rkiaeliykeffsqgdlekamgnrpmemmdrekayipelqisfmehiampiykllqdlfp
kaaelyervasnrehwtkvshkftirglpsnnsldfld