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The narrow width of Z-DNA features a zigzagging backbone, which sets it apart from the smooth helical structure of A-DNA and B-DNA. Predominantly left-handed, this structure of Z-DNA arises from the syn conformation of its glycosidic bonds. With a helical diameter of around 18 angstroms, Z-DNA has a helical turn of 9 for pyrimidine base pairs and 10 for purine base pairs.

Comparison of Z-DNA Structure to A-DNA and B-DNA

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Question: paraphrase.This narrow diameter is associated with a zigzag backbone, unlike the smooth helices of A-DNA and B-DNA. The Z-DNA helix is primarily left-handed due to the syn conformation of the glycosidic bonds. The helical width of Z-DNA is approximately 18 angstroms, and the helical turn per base pair in Z-DNA is 9 for pyrimidine and 10 for purine

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This small diameter correlates with a zigzag backbone, which is distinct from the smooth helices observed in A-DNA and B-DNA. Z-DNA helix is mainly left-handed because of the syn conformation of the glycosidic bonds. The width of the Z-DNA helix is roughly 18 angstroms, and each helical turn in Z-DNA spans 9 base pairs for pyrimidines and 10 base pairs for purines.

Answered by gpt-4o

July 30, 2024, 11:01 p.m.

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This article was generated in part by one of OpenAI’s large-scale language-generation model, answering user mahlatsi's question. Images were generated with OpenAI's AI model, DALL·E 3. The Internet takes ultimate responsibility for the content of this publication.
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Published: Tuesday, July 30, 2024

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