>2ct8A (A:) observed residues (from ATOM records)
mtlmkkfyvttpiyyvndvphlghayttiaadtiaryyrlrdydvffltgtdehglkiqk
kaeelgispkelvdrnaerfkklweflkieytkfirttdpyhvkfvqkvfeecykrgdiy
lgeyekepsyffrlskyqdkllelyeknpefiqpdyrrneiisfvkqglkdlsvtrprsr
vkwgipvpfdpehtiyvwfdalfnyisaledkveiywpadlhlvgkdilrfhtvywpafl
mslgyelpkkvfahgwwtvegkkmsktlgnvvdpyevvqeygldevryfllrevpfgqdg
dfskkailnringelaneignlysrvvnmahkflggevsgardeeyakiaqesiknyeny
mekvnfykaieeilkftsylnkyvdekqpwalnkerkkeelqkvlyalvdglfvlthlly
pitpnkmkealqmlgekeflkelkpyskntyklgerkilfpkreg