{"id":1936,"date":"2020-08-19T13:30:17","date_gmt":"2020-08-19T13:30:17","guid":{"rendered":"https:\/\/meddists.com\/learn\/pre-clinical\/biochemistry\/biochemistry-of-the-metabolism\/amino-acid-metabolism\/fate-of-the-skeletons-of-amino-acids\/"},"modified":"2021-12-12T10:27:36","modified_gmt":"2021-12-12T08:27:36","slug":"fate-of-the-skeletons-of-amino-acids","status":"publish","type":"page","link":"https:\/\/meddists.com\/learn\/pre-clinical\/biochemistry\/biochemistry-of-the-metabolism\/amino-acid-metabolism\/fate-of-the-skeletons-of-amino-acids\/","title":{"rendered":"Fate of the Skeletons of Amino Acids"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><div class=\"intro\">The fate of the amino acid skeleton is to change into a molecule that can be used in ATP production later on via the TCA cycle incorporation<\/div><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<p class=\"wp-block-paragraph\">The carbon skeletons of the 20 amino acids are funnelled into seven molecules which later on take place in the TCA cycle:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>pyruvate,<\/strong><\/li><li><strong>Ac-CoA,<\/strong><\/li><li><strong>AcAc-CoA,<\/strong><\/li><li><strong>\u03b1-KG,<\/strong><\/li><li><strong>Suc-CoA,<\/strong><\/li><li><strong>fumarate<\/strong><\/li><li><strong>oxaloacetate.<\/strong><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The end products define the amino acid degradation pathways.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ketogenic amino acids are directly converted to Acetyl-CoA or Acetoacetyl-CoA.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">They cannot be utilised for anaplerosis and gluconeogenesis. Purely ketogenic are only two amino acids: Leu, Lys.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Degradation of glucogenic amino acids yields pyruvate or citric acid intermediate<\/strong>. Therefore they can be precursors for gluconeogenesis.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/meddists.com\/learn\/wp-content\/uploads\/2021\/12\/AA22.png\" target=\"_blank\" title=\"Fate of the Skeletons of Amino Acids\"><img loading=\"lazy\" decoding=\"async\" width=\"1013\" height=\"1024\" src=\"https:\/\/meddists.com\/learn\/wp-content\/uploads\/2021\/12\/AA22-1013x1024.png\" alt=\"\" class=\"wp-image-9095\" srcset=\"https:\/\/meddists.com\/learn\/wp-content\/uploads\/2021\/12\/AA22-1013x1024.png 1013w, https:\/\/meddists.com\/learn\/wp-content\/uploads\/2021\/12\/AA22-297x300.png 297w, https:\/\/meddists.com\/learn\/wp-content\/uploads\/2021\/12\/AA22-768x776.png 768w, https:\/\/meddists.com\/learn\/wp-content\/uploads\/2021\/12\/AA22-1520x1536.png 1520w, https:\/\/meddists.com\/learn\/wp-content\/uploads\/2021\/12\/AA22-2026x2048.png 2026w\" sizes=\"auto, (max-width: 1013px) 100vw, 1013px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n<\/div>\n\n\n<span class=\"block-heading\" id=\"header_1\">\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" class=\"title_collection title1\">References<\/h2>\n<\/span><span class=\"block-content\" id=\"contents_1\">\n\n\n<p class=\"wp-block-paragraph\">S<span style=\"font-size: revert; color: initial;\">nider MDS. Devlin\u2019s <strong>Textbook of Biochemistry with Clinical Correlations<\/strong>, the 8th Edition. John Wiley &amp; Sons, Incorporated, 2020; 2019.<\/span>  <\/p>\n<\/span><div id=\"the_titles\" style=\"display:none;\"><h2 class=\"wp-block-heading\" class=\"wp-block-heading\">References<\/h2><\/div>","protected":false},"excerpt":{"rendered":"<p>The carbon skeletons of the 20 amino acids are funnelled into seven molecules which later on take place in the TCA cycle: pyruvate, Ac-CoA, AcAc-CoA, \u03b1-KG, Suc-CoA, fumarate oxaloacetate. The end products define the amino acid degradation pathways. Ketogenic amino acids are directly converted to Acetyl-CoA or Acetoacetyl-CoA. They cannot be utilised for anaplerosis and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1714,"menu_order":22,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1936","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fate of the Skeletons of Amino Acids &#8211; Meddists<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/meddists.com\/learn\/pre-clinical\/biochemistry\/biochemistry-of-the-metabolism\/amino-acid-metabolism\/fate-of-the-skeletons-of-amino-acids\/\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/meddists.com\\\/learn\\\/pre-clinical\\\/biochemistry\\\/biochemistry-of-the-metabolism\\\/amino-acid-metabolism\\\/fate-of-the-skeletons-of-amino-acids\\\/\",\"url\":\"https:\\\/\\\/meddists.com\\\/learn\\\/pre-clinical\\\/biochemistry\\\/biochemistry-of-the-metabolism\\\/amino-acid-metabolism\\\/fate-of-the-skeletons-of-amino-acids\\\/\",\"name\":\"Fate of the Skeletons of Amino Acids &#8211; 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