>4x2nA (A:) observed residues (from ATOM records)
gtiartivlqesigkgrfgevwrgkwrgeevavkifssreerswfreaeiyqtvmlrhen
ilgfiaadnkdngtwtqlwlvsdyhehgslfdylnrytvtvegmiklalstasglahlhm
eivgtqgkpaiahrdlksknilvkkngtcciadlglavrhdsatdtidiapnhrvgtkry
mapevlddsinmkhfesfkradiyamglvfweiarrcsiggihedyqlpyydlvpsdpsv
eemrkvvceqklrpnipnrwqscealrvmakimrecwyangaarltalrikktlsqlsqq
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