>3dufB (B:) observed residues (from ATOM records)
aqmtmvqaitdalrielkndpnvlifgedvgvnggvfrateglqaefgedrvfdtplaes
gigglaiglalqgfrpvpeiqffgfvyevmdsicgqmariryrtggryhmpitirspfgg
gvhtpelhsdsleglvaqqpglkvvipstpydakgllisairdndpviflehlklyrsfr
qevpegeytipigkadikregkditiiaygamvheslkaaaelekegisaevvdlrtvqp
ldietiigsvektgraivvqeaqrqagiaanvvaeinerailsleapvlrvaapdtvypf
aqaesvwlpnfkdvietakkvmnf