>3zxrE (E:) observed residues (from ATOM records)
ktpddvfklakdekveyvdvrfcdlpgimqhftipasafdksvfddglafdgssirgfqs
ihesdmlllpdpetaridpfraaktlninffvhdpftlepysrdprniarkaenylistg
iadtayfgaeaefyifdsvsfdsrangsfyevdaisgwwntgaateadgspnrgykvrhk
ggyfpvapndqyvdlrdkmltnlinsgfilekghhevgsggqaeinyqfnsllhaaddmq
lykyiikntawqngktvtfmpkplfgdngsgmhchqslwkdgaplmydetgyaglsdtar
hyiggllhhapsllaftnptvnsykrlvpgyeapinlvysqrnrsacvripitgsnpkak
rlefrspdssgnpylafsamlmagldgiknkiepqapvdkdlyelppeeaasipqtptql
sdvidrleadheylteggvftndlietwisfkreneiepvnirphpyefalyydv