Chains and heterogens:
PDB Chain Sequences:
>2zynA (A:) cgpkrdpyakagksegkpdklvvwenaddgvqlnntkkwageftkktgiqvevvpvallk qqekltldgpagkgadlvtwphdrlgeavtkgllqpiqvdnsvknqfddvamkaltyggk lyglpkaiesvaliynkklmgqvpatydelfqyakannkpdeqkygvlfeannfyytyfl faakgaavfkeqdgtldpneiglnspeavqgmnevqkwftearlpqslkadtvnglfksg kvaavingpwaikdyqaaginvgvaplpkidgkdaqtfigvkgwylsayskypkyatelm qfltskealasrfketgeippqkellndpmiknnpvvngfakqaskgvpmpsipemgvvw epinnahtfvaqgkqtpeqalndavkimkekiqtmkq
>2zynA (A:) egkpdklvvwenaddgvqlnntkkwageftkktgiqvevvpvallkqqekltldgpagkg adlvtwphdrlgeavtkgllqpiqvdnsvknqfddvamkaltyggklyglpkaiesvali ynkklmgqvpatydelfqyakannkpdeqkygvlfeannfyytyflfaakgaavfkeqdg tldpneiglnspeavqgmnevqkwftearlpqslkadtvnglfksgkvaavingpwaikd yqaaginvgvaplpkidgkdaqtfigvkgwylsayskypkyatelmqfltskealasrfk etgeippqkellndpmiknnpvvngfakqaskgvpmpsipemgvvwepinnahtfvaqgk qtpeqalndavkimkekiqtmkq