Chains and heterogens:
PDB Chain Sequences:
>1anfA (A:) kieegklviwingdkgynglaevgkkfekdtgikvtvehpdkleekfpqvaatgdgpdii fwahdrfggyaqsgllaeitpdkafqdklypftwdavryngkliaypiavealsliynkd llpnppktweeipaldkelkakgksalmfnlqepyftwpliaadggyafkyengkydikd vgvdnagakagltflvdliknkhmnadtdysiaeaafnkgetamtingpwawsnidtskv nygvtvlptfkgqpskpfvgvlsaginaaspnkelakeflenylltdegleavnkdkplg avalksyeeelakdpriaatmenaqkgeimpnipqmsafwyavrtavinaasgrqtvdea lkdaqtritk