Chains and heterogens:
PDB Chain Sequences:
>1zdzA (A:) mepgpdgpaasgpaairegwfretcslwpgqalslqveqllhhrrsryqdilvfrsktyg nvlvldgviqcterdefsyqemianlplcshpnprkvliigggdggvlrevvkhpsvesv vqceidedviqvskkflpgmaigyssskltlhvgdgfefmkqnqdafdviitdssdpmgp aeslfkesyyqlmktalkedgvlccqgecqwlhldlikemrqfcqslfpvvayayctipt ypsgqigfmlcsknpstnfqepvqpltqqqvaqmqlkyynsdvhraafvlpefarkalnd vs
>1zdzA (A:) airegwfretcslwpgqalslqveqllhhrrsryqdilvfrsktygnvlvldgviqcter defsyqemianlplcshpnprkvliigggdggvlrevvkhpsvesvvqceidedviqvsk kflpgmaigyssskltlhvgdgfefmkqnqdafdviitdssdpmgpaeslfkesyyqlmk talkedgvlccqgecqwlhldlikemrqfcqslfpvvayayctiptypsgqigfmlcskn pstnfqepvqpltqqqvaqmqlkyynsdvhraafvlpefarkalnd
>1zdzB (B:) mepgpdgpaasgpaairegwfretcslwpgqalslqveqllhhrrsryqdilvfrsktyg nvlvldgviqcterdefsyqemianlplcshpnprkvliigggdggvlrevvkhpsvesv vqceidedviqvskkflpgmaigyssskltlhvgdgfefmkqnqdafdviitdssdpmgp aeslfkesyyqlmktalkedgvlccqgecqwlhldlikemrqfcqslfpvvayayctipt ypsgqigfmlcsknpstnfqepvqpltqqqvaqmqlkyynsdvhraafvlpefarkalnd vs
>1zdzB (B:) airegwfretcslwpgqalslqveqllhhrrsryqdilvfrsktygnvlvldgviqcter defsyqemianlplcshpnprkvliigggdggvlrevvkhpsvesvvqceidedviqvsk kflpgmaigyssskltlhvgdgfefmkqnqdafdviitdssdpmgpaeslfkesyyqlmk talkedgvlccqgecqwlhldlikemrqfcqslfpvvayayctiptypsgqigfmlcskn pstnfqepvqpltqqqvaqmqlkyynsdvhraafvlpefarkalnd