>1yl3K (K:) observed residues (from ATOM records) mkviflkdvkgkgkkgeiknvadgyannflfkqglaieatpanlkaleaqkqkeqrqaae elanakklkeqlekltvtipakagegrlfgsitskqiaeslqaqhglkldkrkieladai ralgytnvpvklhpevtatlkvhvteqk