>5trrK (K:) observed residues (from ATOM records)
ttivalkypggvvmagdrrstqgnmisgrdvrkvyitddytatgiagtaavavefarlya
velehyeklegvpltfagkinrlaimvrgnlaaamqgllalpllagydihasdpqsagri
vsfdaaggwnieeegyqavgsgslfakssmkklysqvtdgdsglrvavealydaadddsa
tggpdlvrgifptaviidadgavdvpesriaelaraiiesrsg