>2w3aA (A:) observed residues (from ATOM records) vgslncivavsqnmgigkngdlpwpplrnefryfqrmtttssvegkqnlvimgkktwfsi peknrplkgrinlvlsrelkeppqgahflsrslddalklteqpelankvdmvwivggssv ykeamnhpghlklfvtrimqdfesdtffpeidlekykllpeypgvlsdvqeekgikykfe vyeknd