>5tryY (Y:) observed residues (from ATOM records) ttivalkypggvvmagdrrstqgnmisgrdvrkvyitddytatgiagtaavavefarlya velehyeklegvpltfagkinrlaimvrgnlaaamqgllalpllagydihasdpqsagri vsfdaaggwnieeegyqavgsgslfakssmkklysqvtdgdsglrvavealydaadddsa tggpdlvrgifptaviidadgavdvpesriaelaraiiesrsg