Primary organization of nucleosome core particle of chromatin: sequence of histone arrangement along DNA. 1978

A D Mirzabekov, and V V Shick, and A V Belyavsky, and S G Bavykin

A high-resolution map for the arrangement of histones along DNA in the nucleosome core particle has been determined by a sequencing procedure based on crosslinking histones to the 5'-terminal DNA fragments produced by scission of one DNA strand at the point of crosslinking. The position of histones on DNA has been identified by measuring the length of crosslinked DNA fragments. The results demonstrate that each of the histones is arranged within several adjacent or dispersed DNA segments of a little less than 10 nucleotides in length. Histone-free intervals are located between these segments at the regular distances of about (10)n nucleotides from the 5' end of the DNA and are likely to face one side of the DNA helix. Histones appear to be arranged in a similar manner on both DNA strands and do not form "locks" around DNA. A linearized model of the core particle is proposed.

UI MeSH Term Description Entries
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D011485 Protein Binding The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. Plasma Protein Binding Capacity,Binding, Protein
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D002843 Chromatin The material of CHROMOSOMES. It is a complex of DNA; HISTONES; and nonhistone proteins (CHROMOSOMAL PROTEINS, NON-HISTONE) found within the nucleus of a cell. Chromatins
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D006657 Histones Small chromosomal proteins (approx 12-20 kD) possessing an open, unfolded structure and attached to the DNA in cell nuclei by ionic linkages. Classification into the various types (designated histone I, histone II, etc.) is based on the relative amounts of arginine and lysine in each. Histone,Histone H1,Histone H1(s),Histone H2a,Histone H2b,Histone H3,Histone H3.3,Histone H4,Histone H5,Histone H7
D001665 Binding Sites The parts of a macromolecule that directly participate in its specific combination with another molecule. Combining Site,Binding Site,Combining Sites,Site, Binding,Site, Combining,Sites, Binding,Sites, Combining

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