{"id":39590,"date":"2020-09-09T06:25:14","date_gmt":"2020-09-09T06:25:14","guid":{"rendered":"https:\/\/www.healthbenefitstimes.com\/glossary\/?p=39590"},"modified":"2020-09-09T06:25:14","modified_gmt":"2020-09-09T06:25:14","slug":"z-dna","status":"publish","type":"post","link":"https:\/\/www.healthbenefitstimes.com\/glossary\/z-dna\/","title":{"rendered":"Z-DNA"},"content":{"rendered":"

A left-handed helix (molecular structure) of DNA, in contrast to A-DNA and B-DNA which are right-handed helix structures. The difference is in the direction of the double-helix twist. Z-DNA has the most base pairs per turn (in the helix), and so has the least twisted structure; it is very “skinny” and its name is taken from the zigzag path that the sugar-phosphate “backbone” follows along the helix. This is quite different from the smoothly curving path of the backbone of B-DNA. The Z-form of DNA has been found in polymers that have an alternating purine-pyrimidine sequence. The possible biological importance of Z-DNA is that it is much more stable at lower salt concentrations.<\/p>\n

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 <\/p>\n","protected":false},"excerpt":{"rendered":"

A left-handed helix (molecular structure) of DNA, in contrast to A-DNA and B-DNA which are right-handed helix structures. The difference is in the direction of the double-helix twist. Z-DNA has the most base pairs per turn (in the helix), and so has the least twisted structure; it is very “skinny” and its name is taken […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-39590","post","type-post","status-publish","format-standard","hentry","category-z"],"yoast_head":"\nZ-DNA - Definition of Z-DNA<\/title>\n<meta name=\"description\" content=\"A left-handed helix (molecular structure) of DNA, in contrast to A-DNA and B-DNA which are right-handed helix structures. The difference is in the direction of the double-helix twist. Z-DNA has the most base pairs per turn (in the helix), and so has the least twisted structure; it is very "skinny" and its name is taken from the zigzag path that the sugar-phosphate "backbone" follows along the helix. This is quite different from the smoothly curving path of the backbone of B-DNA. The Z-form of DNA has been found in polymers that have an alternating purine-pyrimidine sequence. The possible biological importance of Z-DNA is that it is much more stable at lower salt concentrations.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.healthbenefitstimes.com\/glossary\/z-dna\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Z-DNA - Definition of Z-DNA\" \/>\n<meta property=\"og:description\" content=\"A left-handed helix (molecular structure) of DNA, in contrast to A-DNA and B-DNA which are right-handed helix structures. The difference is in the direction of the double-helix twist. Z-DNA has the most base pairs per turn (in the helix), and so has the least twisted structure; it is very "skinny" and its name is taken from the zigzag path that the sugar-phosphate "backbone" follows along the helix. This is quite different from the smoothly curving path of the backbone of B-DNA. The Z-form of DNA has been found in polymers that have an alternating purine-pyrimidine sequence. The possible biological importance of Z-DNA is that it is much more stable at lower salt concentrations.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.healthbenefitstimes.com\/glossary\/z-dna\/\" \/>\n<meta property=\"og:site_name\" content=\"Glossary\" \/>\n<meta property=\"article:published_time\" content=\"2020-09-09T06:25:14+00:00\" \/>\n<meta name=\"author\" content=\"Glossary\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Glossary\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/z-dna\/\",\"url\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/z-dna\/\",\"name\":\"Z-DNA - Definition of Z-DNA\",\"isPartOf\":{\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/#website\"},\"datePublished\":\"2020-09-09T06:25:14+00:00\",\"dateModified\":\"2020-09-09T06:25:14+00:00\",\"author\":{\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/#\/schema\/person\/ccfef987a4882e6356ae6d77d33e74c5\"},\"description\":\"A left-handed helix (molecular structure) of DNA, in contrast to A-DNA and B-DNA which are right-handed helix structures. 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