>3mfeR (R:) observed residues (from ATOM records)
xtivalkypggvvmagdrrstqgnmisgrdvrkvyitddytatgiagtaavavefarlya
velehyeklegvpltfagkinrlaimvrgnlaaamqgllalpllagydihasdpqsagri
vsfdaaggwnieeegyqavgsgslfakssmkklysqvtdgdsglrvavealydaadddsa
tggpdlvrgifptaviidadgavdvpesriaelaraiiesrs