Chains and heterogens:
PDB Chain Sequences:
>4c7zA (A:) miqkvitvngieqnlfvdaeallsdvlrqqlgltgvkvgceqgqcgacsvildgkvvrac vtkmkrvadgaqittiegvgqpenlhplqkawvlhggaqcgfcspgfivsakglldtnad psredvrdwfqkhrnacrctgykplvdavmdaaavingkkpetdlefkmpadgriwgsky prptavakvtgtldygadlglkmpagtlhlamvqakvshanikgidtsealtmpgvhsvi thkdvkgknritglitfptnkgdgwdrpilcdekvfqygdcialvcadseanaraaaekv kvdleelpaymsgpaaaaedaieihpgtpnvyfeqpivkgedtgpifasadvtvegdfyv grqphmpiepdvafaymgddgkcyihsksigvhlhlymiapgvglepdqlvlvanpmggt fgykfsptsealvavaamatgrpvhlrynyqqqqqytgkrspwemnvkfaakkdgtllam esdwlvdhgpysefgdlltlrgaqfigagynipnirglgrtvatnhvwgsafrgygapqs mfaseclmdmlaeklgmdplelryknayrpgdtnptgqepevfslpdmidqlrpkyqaal ekaqkestathkkgvgisigvygsgldgpdaseawaelnadgtitvhtawedhgqgadig cvgtahealrpmgvapekikftwpntattpnsgpsggsrqqvmtgnairvacenllkace kpgggyytydelkaadkptkitgnwtasgathcdavtglgkpfvvymygvfmaevtvdva tgqttvdgmtlmadlgslcnqlatdgqiygglaqgiglalsedfedikkhatlvgagfpf ikqipdkldivyvnhprpdgpfgasgvgelpltsphaaiinaiksatgvriyrlpaypek vlealka