Chains and heterogens:
PDB Chain Sequences:
>1qqaA (A:) tikdvakranvstttvshvinktrfvaeetrnavwaaikelhyspsavarslavnhtksi gllatsseaayfaeiieavekncfqkgytlilgnawnnlekqraylsmmaqkrvdgllvm cseypepllamleeyrhipmvvmdwgeakadftdavidnafeggymagrylierghreig vipgplerntgagrlagfmkameeamikvpeswivqgdfepesgyramqqilsqphrpta vfcggdimamgalcaademglrvpqdvsligydnvrnaryftpalttihqpkdslgetaf nmlldrivnkreepqsievhprlierrsvadgpfrdyr