>4x1yC (C:) observed residues (from ATOM records)
mrecisihvgqagvqignacwelyclehgiqpdgqmpddsfntffsetgagkhvpravfv
dleptvidevrtgtyrqlfhpeqlitgkedaannyarghytigkeiidlvldrirkladq
ctglqgflvfhsfgggtgsgftsllmerlsvdygkksklefsiypapqvstavvepynsi
ltthttlehsdcafmvdneaiydicrrnldierptytnlnrligqivssitaslrfdgal
nvdltefqtnlvpyprihfplatyapvisaekayheqlsvaeitnacfepanqmvkcdpr
hgkymaccllyrgdvvpkdvnaaiatiktkrtiqfvdwcptgfkvginyqpptvvpggdl
akvqravcmlsnttaiaeawarldhkfdlmyakrafvhwyvgegmeegefsearedmaal
ekdyeevgvd