>3ludA (A:) observed residues (from ATOM records) kqfhtgieikvwaiacfapqrqctevhlksfteqlrkisrdagmpiqgqpcfckyaqgad svepmfrhlkntyaglqlvvvilpgktpvyaevkrvgdtvlgmatqcvqmknvqrttpqt lsnlclkinvklg