Comparative Study
[Homology of histones H2B from calf thymus and P4B from slime mold Physarum polycephalum]
[Article in
Russian]
- PMID: 560880
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Comparative Study
[Homology of histones H2B from calf thymus and P4B from slime mold Physarum polycephalum]
[Article in
Russian]
Biokhimiia.
1977 Jun.
Abstract
A comparative study of the amino acid composition of histone fractions P4b from slime mold Physarum polycephalum and H2B from calf thymus was carried out using peptide mapping. It was shown that 75% of peptides are common for both proteins. The slime mold histones contain two fractions (P4B and P3), which are homologous to the H2B histone fraction of calf thymus. The data of amino acid analysis, peptide mapping and some physico-chemical properties of the histones revealed the following correlation of the two types of histone fractions: P1--H1, P4a--H3, P4b and P3--H2B, P5-H2A, P6--H4.
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