>1df0B (B:) observed residues (from ATOM records) neseeerqfrklfvqlagddmevsatelmnilnkvvtrhpdlktdgfgidtcrsmvavmd sdttgklgfeefkylwnnikkwqgiykrfdtdrsgtigsnelpgafeaagfhlnqhiysm iirrysdetgnmdfdnfisclvrldamfrafrsldkngtgqiqvniqewlqltmys