>5n15D (D:) observed residues (from ATOM records) agapkppqepdmnnlpenpipqhqakfvlntikavkrnreavpflhpvdtvklnvpfyyn yiprpmdlstierkinlkayedvsqvvddfnlmvknckkfngeaagiskmatniqaqfek lmvkvppkel