DNA nucleosome. Computer model based on X-ray diffraction data of the structure of a nucleosome. A nucleosome is a complex of DNA (deoxyribonucleic acid, red, orange and yellow) and proteins called histones (blue and green helices). The nucleosomes form insbeads on a stringins of DNA, which are coiled in turn to form a fibre of chromatin, the form in which DNA is stored inside cell nuclei. The structure of chromatin allows huge lengths of DNA to be stored in a very small volume. During DNA replication or the expression of genes in the DNA, the chromatin unwinds into a form that allows regulatory proteins and RNA complexes access to the genes.
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Details
Creative#:
TOP03210352
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
N/A
Right to Privacy:
No
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