>5q4rA (A:) observed residues (from ATOM records)
tcpfykkipgtgftvdafqygvvegctayflthfhsdhyaglskhftfpvycseitgnll
knklhvqeqyihplpldtecivngvkvvlldanhcpgavmilfylpngtvilhtgdfrad
psmerslladqkvhmlyldttycspeytfpsqqevirfaintafeavtlnphalvvcgty
sigkekvflaiadvlgskvgmsqekyktlqclnipeinslittdmcsslvhllpmmqinf
kglqshlkkcggkynqilafrptgwthsnkftriadvipqtkgnisiygipysehssyle
mkrfvqwlkpqkiiptvnvgtwksrstmekyfrewkleagy