Primary Structure of the DNA-Binding Protein HRm from Rhizobium meliloti

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Abstract
The amino acid sequence of protein HRm, a DNA-binding HU-type protein of 90 residues (Mr 9303), isolated from Rhizobium meliloti, has been established from automated sequence analysis of the protein and from structural data provided by peptides derived from cleavage of the protein at arginine and aspartic acid residues. The comparison of the primary structure of protein HRm with that of other HU-type proteins shows that two short sequences, of 7 and 6 residues respectively, located in the median part of the molecule, appear highly conserved and may be important in the function of the protein.