Chains and heterogens:
PDB Chain Sequences:
>1mh3A (A:) kieegklviwingdkgynglaevgkkfekdtgikvtvehpdkleekfpqvaatgdgpdii fwahdrfggyaqsgllaeitpdkafqdklypftwdavryngkliaypiavealsliynkd llpnppktweeipaldkelkakgksalmfnlqepyftwpliaadggyafkyengkydikd vgvdnagakagltflvdliknkhmnadtdysiaeaafnkgetamtingpwawsnidtskv nygvtvlptfkgqpskpfvgvlsaginaaspnkelakeflenylltdegleavnkdkplg avalksyeeelakdpriaatmenaqkgeimpnipqmsafwyavrtavinaasgrqtvdaa laaaqtaaaaaispqarafleqvfrrkqslnskekeevakkcgitplqvrvwfinkrmrs k