>3qx9A (A:) observed residues (from ATOM records) kqfhtgieikvwaiacfapqrqctevhlksfteqlrkisrdagmpiqgqpcfckyaqgad svepmfrhlkntyaglqlvvvilpgktpvyaevkrvgdtvlgmatqcvqmknvqrttpqt lsnlclkinvklggv