>4nfwA (A:) observed residues (from ATOM records) mfkphvtvacvvhaegkflvveetingkalwnqpaghleadetlveaaarelweetgisa qpqhfirmhqwiapdktpflrflfaieleqicptqphdsdidccrwvsaeeilqasnlrs plvaesircyqsgqryplemigdfnwpftk