Chains and heterogens:
PDB Chain Sequences:
>1qm9A (A:) mgnsvllvsnlnpervtpqslfilfgvygdvqrvkilfnkkenalvqmadgnqaqlamsh lnghklhgkpiritlskhqnvqlpregqedqgltkdygnsplhrfkkpgsknfqnifpps atlhlsnippsvseedlkvlfssnggvvkgfkffqkdrkmaliqmgsveeavqalidlhn hdlgenhhlrvsfsksti