>4lf1A (A:) observed residues (from ATOM records)
mdqsnryanlnlkeseliaggrhvlcayimkpkagfgnfiqtaahfaaesstgtnvevst
tddftrgvdalvyevdeanslmkiaypielfdrnvidgramiasfltltignnqgmgdve
yakmydfyvppaylklfdgpsttikdlwrvlgrpvinggfivgtiikpklglrpqpfana
cydfwlggdfikndepqgnqvfapfkdtvravadamrraqdktgeaklfsfnitaddhye
mlargefiletfadnadhiaflvdgyvagpaavttarrafpkqylhyhraghgavtspqs
krgytafvlskmarlqgasgihtgtmgfgkmegeaadraiaymitedaadgpyfhqewlg
mnpttpiisggmnalrmpgffdnlghsnlimtagggafghvdggaagakslrqaeqcwkq
gadpvefakdhrefarafesfpqdadklypnwraklk