>3unbb (b:) observed residues (from ATOM records)
ttimavqfnggvvlgadsrtttgsyianrvtdkltpihdhifccrsgsaadtqavadavt
yqlgfhsielnepplvhtaaslfkemcyryredlmagiiiagwdpqeggqvysvpmggmm
vrqsfaiggsgssyiygyvdatyregmtkdeclqftanalalamerdgssggvirlaaiq
esgverqvllgdqipkftiatl