>3gxlA (A:) observed residues (from ATOM records)
iartivlqesigkgrfgevwrgkwevavkifssreerswfreaeiyqtvmlrhenilgfi
aadnkdngtwtqlwlvsdyhehgslfdylnrytvtvegmiklalstasglahlhmeivgt
qgkpaiahrdlksknilvkkngtcciadlglavrhdsatdtidrvgtkrymapevlddsi
nmkhfesfkradiyamglvfweiarrcsihedyqlpyydlvpsdpsveemrkvvceqklr
pnipnrscealrvmakimrecwyangaarltalrikktlsqlsqq