Chains and heterogens:
PDB Chain Sequences:
>2puaA (A:) atikdvakranvstttvshvinktrfvaeetrnavwaaikelhyspsavarslkvnhtks igllatsseaayfaeiieavekncfqkgytlilgnawnnlekqraylsmmaqkrvdgllv mcseypepllamleeyrhipmvvmdwgeakadftdavidnafeggymagrylierghrei gvipgpleantgagrlagfmkameeamikvpeswivqgdfepesgyramqqilsqphrpt avfcggdimamgalcaademglrvpqdvsligydnvrnaryftpalttihqpkdslgeta fnmlldrivnkreepqsievhprlierrsvadgpfrdyr