>6fk5A (A:) observed residues (from ATOM records)
amkittwnvnslnvrlpqvqnlladnppdilvlqelkldqdkfpaaalqmmgwhcvwsgq
ktyngvaivsrsvpqdvhfglpalpddpqrrviaatvsgvrvinvycvngealdspkfky
keqwfaaltefvrdemtrhgklvllgnfniapadadcydpekwhekihcssverqwfqnl
ldlgltdslrqvhpegafytwfdyrgamfqrklglridhilvspamaaalkdvrvdletr
alerpsdhapvtaefdw