>4r1tA (A:) observed residues (from ATOM records)
rsvsgqvvcvtgaggfiaswlvkillekgytvrgtvrnpddpknghlrelegakerltlc
kadlldyqslreaingcdgvfhtaspvpeqmvepavigtknvinaaaeanvrrvvftssi
gavymdpnrdpetvvdetcwsdpdfckntknwycygkmvaeqaaweeakekgvdlvvinp
vlvqgpllqttvnasvlhilkyltgsaktyansvqayvdvkdvalahillyetpeasgry
lcaesvlhrgdvveilskffpeypiptkcsdvtkprvkpykfsnqklkdlgleftpvkqc
lyetvkslqekghlpip