noun Biochemistry.
- any of a group of five small basic proteins, occurring in the nucleus of eukaryotic cells, that organize DNA strands into nucleosomes by forming molecular complexes around which the DNA winds.
noun
- any of a group of basic proteins present in cell nuclei and implicated in the spatial organization of DNA
n.
- Any of several small simple proteins that are most commonly found in association with the DNA in chromatin and contain a high proportion of basic amino acids.
- Any of several proteins that, together with DNA, make up most of the chromatin in a cell nucleus.