i-motif DNA structure, illustration. The intercalated motif (i-motif) structure is a four stranded knot of DNA (deoxyribonucleic acid) that forms in cytosine-rich regions of a DNA molecule. Cytosine is one of the four nucleotide bases of DNA. When forming a double helix, cytosine bonds only with guanine. However, in i-motif structures two cytosine bases bond to each other. i-motif structures are thought to have a regulatory role in the genome. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / FRANCISCO J. ENGUITA |
Bildgröße: | 4700 px × 4769 px |
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