>4c2bA (A:) observed residues (from ATOM records)
lhdfcrsrlldlvflldgssrlseaefevlkafvvdmmerlrisqkwvrvavveyhdgsh
ayiglkdrkrpselrriasqvkyagsqvastsevlkytlfqifskidrpeasrialllma
sqepqrmsrnfvryvqglkkkkvivipvgigphanlkqirliekqapenkafvlssvdel
eqqrdeivsylcdlapeap