>2v15A (A:) observed residues (from ATOM records)
ladskavlnqavadlsvahsilhqvhwymrgrgfmiwhpkmdeymeeidgyldemserli
tlggapfstlkefsensqlkevlgdynvtieeqlarvvevfrylaalfqkgfdvsdeegd
svtndifnvakasiekhiwmlqaelgqapkl