Chains and heterogens:
PDB Chain Sequences:
>3ppkA (A:) mdrgshhhhhhgsedrnrmktlgrrdssddweipdgqitvgqrigsgsfgtvykgkwhgd vavkmlnvtaptpqqlqafknevgvlrktrhvnillfmgystkpqlaivtqwcegsslyh hlhiietkfemiklidiarqtaqgmdylhaksiihrdlksnniflhedltvkigdfglat vksrwsgshqfeqlsgsilwmapevirmqdknpysfqsdvyafgivlyelmtgqlpysni nnrdqiifmvgrgylspdlskvrsncpkamkrlmaeclkkkrderplfpqilasiellar slpkihr
>3ppkA (A:) ddweipdgqitvgqrigsgsfgtvykgkwhgdvavkmlnvtaptpqqlqafknevgvlrk trhvnillfmgystkpqlaivtqwcegsslyhhlhiietkfemiklidiarqtaqgmdyl haksiihrdlksnniflhedltvkigdfglatvgsilwmapevirmqdknpysfqsdvya fgivlyelmtgqlpysninnrdqiifmvgrgylspdlskvrsncpkamkrlmaeclkkkr derplfpqilasiellarslpk
>3ppkB (B:) mdrgshhhhhhgsedrnrmktlgrrdssddweipdgqitvgqrigsgsfgtvykgkwhgd vavkmlnvtaptpqqlqafknevgvlrktrhvnillfmgystkpqlaivtqwcegsslyh hlhiietkfemiklidiarqtaqgmdylhaksiihrdlksnniflhedltvkigdfglat vksrwsgshqfeqlsgsilwmapevirmqdknpysfqsdvyafgivlyelmtgqlpysni nnrdqiifmvgrgylspdlskvrsncpkamkrlmaeclkkkrderplfpqilasiellar slpkihr
>3ppkB (B:) ddweipdgqitvgqrigsgsfgtvykgkwhgdvavkmlnvtaptpqqlqafknevgvlrk trhvnillfmgystkpqlaivtqwcegsslyhhlhiietkfemiklidiarqtaqgmdyl haksiihrdlksnniflhedltvkigdfglatvlsgsilwmapevirmqdknpysfqsdv yafgivlyelmtgqlpysninnrdqiifmvgrgylspdlskvrsncpkamkrlmaeclkk krderplfpqilasiellarslpk