>4f66B (B:) observed residues (from ATOM records)
amsklpenflwggavaahqleggwqeggkgisvadvmtagrhgvareitagvlegkyypn
heaidfyhhykedvklfaemgfkcfrtsiawtrifpkgdeaepneaglqfyddlfdeclk
ygiepvvtlshfelpyhlvteyggftnrkvidffvhfaevcfrrykdkvkywmtfneinn
qanyqedfapftnsgivykegddreaimyqaahyelvasaravkighainpnlnigcmva
mcpiypatcnpkdilmaqkamqkryyfadvhvhgfypehifkywerkaikvdfterdkkd
lfegtvdyigfsyymsfvidahrennpyydyletedlvknpyvkasdwdwqidpqglrya
lnwftdmyhlplfivengfgaidqveadgmvhddyridylgahikemikavdedgvelmg
ytpwgcidlvsagtgemrkrygfiyvdkddegkgtlkrspklsfnwykeviasngddi