Chains and heterogens:
PDB Chain Sequences:
>1epfA (A:) lqvdivpsqgeisvgeskfflcqvagdakdkdiswfspngeklspnqqrisvvwndddss tltiynaniddagiykcvvtaedgtqseatvnvkifqklmfknaptpqefkegedavivc dvvsslpptiiwkhkgrdvilkkdvrfivlsnnylqirgikktdegtyrcegrilargei nfkdiqviv
>1epfB (B:) rvlqvdivpsqgeisvgeskfflcqvagdakdkdiswfspngeklspnqqrisvvwnddd sstltiynaniddagiykcvvtaedgtqseatvnvkifqklmfknaptpqefkegedavi vcdvvsslpptiiwkhkgrdvilkkdvrfivlsnnylqirgikktdegtyrcegrilarg einfkdiqviv
>1epfC (C:) vlqvdivpsqgeisvgeskfflcqvagdakdkdiswfspngeklspnqqrisvvwnddds stltiynaniddagiykcvvtaedgtqseatvnvkifqklmfknaptpqefkegedaviv cdvvsslpptiiwkhkgrdvilkkdvrfivlsnnylqirgikktdegtyrcegrilarge infkdiqviv
>1epfD (D:) rvlqvdivpsqgeisvgeskfflcqvagdakdkdiswfspngeklspnqqrisvvwnddd sstltiynaniddagiykcvvtaedgtqseatvnvkifqklmfknaptpqefkegedavi vcdvvsslpptiiwkhkgrdvilkkdvrfivlsnnylqirgikktdegtyrcegrilarg einfkdiqviv