Chains and heterogens:
PDB Chain Sequences:
>1ql6A (A:) sthgfyenyepkeilgrgvssvvrrcihkptckeyavkiidvtgggsfsaeevqelreat lkevdilrkvsghpniiqlkdtyetntffflvfdlmkkgelfdyltekvtlseketrkim rallevicalhklnivhrdlkpenilldddmnikltdfgfscqldpgeklrsvcgtpsyl apeiiecsmndnhpgygkevdmwstgvimytllagsppfwhrkqmlmlrmimsgnyqfgs pewddysdtvkdlvsrflvvqpqkrytaeealahpffqqyv