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In B-DNA, the separation between bases is roughly 3.4 angstroms per base pair, and there are about 10.4 base pairs per helical turn. The rise and twist of the helix determine its pitch and direction, with B-DNA showing a right-handed twist. The entire helix makes a complete turn every 35.4 angstroms, fitting in 10.5 base pairs per turn. Base pairs are slightly tilted at an angle of about 1 degree relative to the helix's axis. The anti-conformation of glycosidic bonds helps maintain B-DNA’s right

Key Parameters Defining B-DNA Helix Structure

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Question: paraphrase.The distance between the bases (rise) is approximately 3.4 angstroms per base pair. B-DNA has 10.4 base pairs per turn of the helix. The rise and twist parameters determine the handedness and pitch of the helix The pitch per turn for B-DNA is about 35.4 Å with 10.5 base pairs per turn; hence, in every 35.4 Å length, a helix will make one complete turn. Base pairs are tilted with respect to the helical axis by about 1 degree. B-DNA contain anti-conformation of the glycosidic bonds, which account for the right-handed, double-helical structure of B-DNA

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The spacing between the bases (rise) is roughly 3.4 angstroms per base pair. B-DNA features 10.4 base pairs per helical turn. The parameters of rise and twist determine the handedness and pitch of the helix. For B-DNA, the pitch per turn is approximately 35.4 Å with 10.5 base pairs per turn, resulting in one complete helical turn every 35.4 Å. The base pairs are tilted about 1 degree relative to the helical axis. B-DNA has anti-conformation of glycosidic bonds, contributing to its right-handed, double-helical structure.

Answered by gpt-4o

July 30, 2024, 10:55 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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