Chains and heterogens:
PDB Chain Sequences:
>1pudA (A:) mveataqetdrprfsfsiaaregkartgtiemkrgvirtpafmpvgtaatvkalkpetvr atgadiilgntyhlmlrpgaeriaklgglhsfmgwdrpiltdsggyqvmslssltkqsee gvtfkshldgsrhmlspersieiqhllgsdivmafdectpypatpsraassmersmrwak rsrdafdsrkeqaenaalfgiqqgsvfenlrqqsadalaeigfdgyavgglavgegqdem frvldfsvpmlpddkphylmgvgkpddivgavergidmfdcvlptrsgrngqaftwdgpi nirnarfsedlkpldsechcavcqkwsrayihhlirageilgamlmtehniafyqqlmqk irdsisegrfsqfaqdfraryfarns
>1pudA (A:) rprfsfsiaaregkartgtiemkrgvirtpafmpvgtaatvkalkpetvratgadiilgn tyhlmlrpgaeriaklgglhsfmgwdrpiltdsggyqvmslssltkqseegvtfkshldg srhmlspersieiqhllgsdivmafdectpypatpsraassmersmrwakrsrdafdsrk eqaenaalfgiqqgsvfenlrqqsadalaeigfdgyavgglavgegqdemfrvldfsvpm lpddkphylmgvgkpddivgavergidmfdcvlptrsgrngqaftwdgpinirnarfsed lkpldsechcavcqkwsrayihhlirageilgamlmtehniafyqqlmqkirdsisegrf sqfaqdfraryf