>4c2aA (A:) observed residues (from ATOM records)
plhdfycsrlldlvflldgssrlseaefevlkafvvdmmeqlrvsqkwvrvavveyhdgs
hayiglkdrkrpselrriasqvkyagsqvastsevlkytlfqifskidrpeasrialllm
asqepqrmsrnfvryvqglkkkkvivipvgigphanlkqirliekqapenkafvlssvde
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