Chains and heterogens:
PDB Chain Sequences:
>1q66A (A:) mveataqetdrprfsfsiaaregkartgtiemkrgvirtpafmpvgtaatvkalkpetvr atgadiilgntyhlmlrpgaeriaklgglhsfmgwdrpiltdsggyqvmslssltkqsee gvtfkshldgsrhmlspersieiqhllgsdivmafdectpypatpsraassmersmrwak rsrdafdsrkeqaenaalfgiqqgsvfenlrqqsadalaeigfdgyavgglavgegqdem frvldfsvpmlpddkphylmgvgkpddivgavergidmfdcvlptrsgrngqaftwdgpi nirnarfsedlkpldsechcavcqkwsrayihhlirageilgamlmtehniafyqqlmqk irdsisegrfsqfaqdfraryfarns
>1q66A (A:) rprfsfsiaaregkartgtiemkrgvirtpafmpvgtaatvkalkpetvratgadiilgn tyhlmlrpgaeriaklgglhsfmgwdrpiltdsggyqvmsltkqseegvtfkshlsrhml spersieiqhllgsdivmafdectpypatpsraassmersmrwakrsrdafdsrkeqaen aalfgiqqgsvfenlrqqsadalaeigfdgyavgglavgegqdemfrvldfsvpmlpddk phylmgvgkpddivgavergidmfdcvlptrngqaftwdgpinirnarfsedlkpldsec hcavcqkwsrayihhlirageilgamlmtehniafyqqlmqkirdsisegrfsqfaqdfr aryf