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