Chains and heterogens:
PDB Chain Sequences:
>1sfrA (A:) afsrpglpveylqvpspsmgrdikvqfqsgganspalylldglraqddfsgwdintpafe wydqsglsvvmpvggqssfysdwyqpacgkagcqtykwetfltselpgwlqanrhvkptg savvglsmaassaltlaiyhpqqfvyagamsglldpsqamgptliglamgdaggykasdm wgpkedpawqrndpllnvgklianntrvwvycgngkpsdlggnnlpakflegfvrtsnik fqdaynaggghngvfdfpdsgthsweywgaqlnamkpdlqralgatpntgpapqgalghh hhhh
>1sfrA (A:) afsrpglpveylqvpspsmgrdikvqfqsgganspalylldglraqddfsgwdintpafe wydqsglsvvmpvggqssfysdwyqpacgkagcqtykwetfltselpgwlqanrhvkptg savvglsmaassaltlaiyhpqqfvyagamsglldpsqamgptliglamgdaggykasdm wgpkedpawqrndpllnvgklianntrvwvycgngkpsdlggnnlpakflegfvrtsnik fqdaynaggghngvfdfpdsgthsweywgaqlnamkpdlqralgatpn
>1sfrB (B:) afsrpglpveylqvpspsmgrdikvqfqsgganspalylldglraqddfsgwdintpafe wydqsglsvvmpvggqssfysdwyqpacgkagcqtykwetfltselpgwlqanrhvkptg savvglsmaassaltlaiyhpqqfvyagamsglldpsqamgptliglamgdaggykasdm wgpkedpawqrndpllnvgklianntrvwvycgngkpsdlggnnlpakflegfvrtsnik fqdaynaggghngvfdfpdsgthsweywgaqlnamkpdlqralgatpntgpapqgalghh hhhh
>1sfrB (B:) afsrpglpveylqvpspsmgrdikvqfqsgganspalylldglraqddfsgwdintpafe wydqsglsvvmpvggqssfysdwyqpacgkagcqtykwetfltselpgwlqanrhvkptg savvglsmaassaltlaiyhpqqfvyagamsglldpsqamgptliglamgdaggykasdm wgpkedpawqrndpllnvgklianntrvwvycgngkpsdlggnnlpakflegfvrtsnik fqdaynaggghngvfdfpdsgthsweywgaqlnamkpdlqralgatpn
>1sfrC (C:) afsrpglpveylqvpspsmgrdikvqfqsgganspalylldglraqddfsgwdintpafe wydqsglsvvmpvggqssfysdwyqpacgkagcqtykwetfltselpgwlqanrhvkptg savvglsmaassaltlaiyhpqqfvyagamsglldpsqamgptliglamgdaggykasdm wgpkedpawqrndpllnvgklianntrvwvycgngkpsdlggnnlpakflegfvrtsnik fqdaynaggghngvfdfpdsgthsweywgaqlnamkpdlqralgatpntgpapqgalghh hhhh
>1sfrC (C:) veylqvpspsmgrdikvqfqsgganspalylldglraqddfsgwdintpafewydqsgls vvmpvggqssfysdwyqpacgkagcqtykwetfltselpgwlqanrhvkptgsavvglsm aassaltlaiyhpqqfvyagamsglldpsqamgptliglamgdaggykasdmwgpkedpa wqrndpllnvgklianntrvwvycgngkpsdlggnnlpakflegfvrtsnikfqdaynag gghngvfdfpdsgthsweywgaqlnamkpdlqralgat