Chains and heterogens:
PDB Chain Sequences:
>4r1sA (A:) gshgmrsvsgqvvcvtgaggfiaswlvkillekgytvrgtvrnpddpknghlrelegake rltlckadlldyqslreaingcdgvfhtaspvtddpeqmvepavigtknvinaaaeanvr rvvftssigavymdpnrdpetvvdetcwsdpdfckntknwycygkmvaeqaaweeakekg vdlvvinpvlvqgpllqttvnasvlhilkyltgsaktyansvqayvdvkdvalahillye tpeasgrylcaesvlhrgdvveilskffpeypiptkcsdvtkprvkpykfsnqklkdlgl eftpvkqclyetvkslqekghlpiptqkdepiiriqp
>4r1sA (A:) vsgqvvcvtgaggfiaswlvkillekgytvrgtvrnpddpknghlrelegakerltlcka dlldyqslreaingcdgvfhtaspvtddpeqmvepavigtknvinaaaeanvrrvvftss igavymdpnrdpetvvdetcwsdpdfckntknwycygkmvaeqaaweeakekgvdlvvin pvlvqgpllqttvnasvlhilkyltgsaktyansvqayvdvkdvalahillyetpeasgr ylcaesvlhrgdvveilskffpeypiptkcsdvtkprvkpykfsnqklkdlgleftpvkq clyetvkslqekghlpipt
>4r1sB (B:) gshgmrsvsgqvvcvtgaggfiaswlvkillekgytvrgtvrnpddpknghlrelegake rltlckadlldyqslreaingcdgvfhtaspvtddpeqmvepavigtknvinaaaeanvr rvvftssigavymdpnrdpetvvdetcwsdpdfckntknwycygkmvaeqaaweeakekg vdlvvinpvlvqgpllqttvnasvlhilkyltgsaktyansvqayvdvkdvalahillye tpeasgrylcaesvlhrgdvveilskffpeypiptkcsdvtkprvkpykfsnqklkdlgl eftpvkqclyetvkslqekghlpiptqkdepiiriqp
>4r1sB (B:) vsgqvvcvtgaggfiaswlvkillekgytvrgtvrnpddpknghlrelegakerltlcka dlldyqslreaingcdgvfhtaspvtddpeqmvepavigtknvinaaaeanvrrvvftss igavymdpnrdpetvvdetcwsdpdfckntknwycygkmvaeqaaweeakekgvdlvvin pvlvqgpllqttvnasvlhilkyltgsaktyansvqayvdvkdvalahillyetpeasgr ylcaesvlhrgdvveilskffpeypiptkcsdvtkprvkpykfsnqklkdlgleftpvkq clyetvkslqekghlpip