The N-terminal sequence protein of L7/L 12 is responsible for its dimerization.

Ultracentrifuge studies of intact protein L7/L12, of its fragments 27--120, 1--74 and 74--120 and of protein L7/L12 with oxidized methionine residues, indicate that the N-terminal sequence of the protein L7/L12 is responsible for its dimerization. The symmetry model of the dimer is discussed.

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