Chains and heterogens:
PDB Chain Sequences:
>1gnzA (A:) svsftfpnfwsdvedsiifqgdanttagtlqlcktnqygtplqwsagralysdpvqlwdn ktesvasfyteftfflkitgngpadglafflappdsdvkdageylglfnkstatqpsknq vvavefdtwtnpnfpepsyrhiginvnsivsvatkrwedsdifsgkiatarisydgsaei ltvvlsypdgsdyilshsvdmrqnlpesvrvgisastgnnqfltvyilswrfssnl