{"id":6486,"date":"2021-01-12T15:09:08","date_gmt":"2021-01-12T15:09:08","guid":{"rendered":"https:\/\/www.blopig.com\/blog\/?p=6486"},"modified":"2021-01-19T15:17:50","modified_gmt":"2021-01-19T15:17:50","slug":"fragment-to-lead-successes-in-2019","status":"publish","type":"post","link":"https:\/\/www.blopig.com\/blog\/2021\/01\/fragment-to-lead-successes-in-2019\/","title":{"rendered":"Fragment-to-Lead Successes in 2019"},"content":{"rendered":"\n<p>In this blogpost, I want to highlight the excellent work by Jahnke and collaborators. For the past 5 years, they have published an annual perspective covering fragment-to-lead success stories from the previous year. Very helpfully, their work includes a table detailing the hit fragment(s) and lead molecule, together with key experimental results and parameters.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>In addition to providing an exhaustive list of fragment-to-lead developments, advances in technologies and trends in fragment elaboration are discussed. This year, they highlighted increased interest in covalent fragments (<a href=\"https:\/\/www.nature.com\/articles\/s41467-020-18709-w\">a recent topical example of the use of covalent fragments<\/a>), the use of FBDD to modulate protein-protein interactions (<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0223523419301096\">further reading on FBDD for PPIs<\/a>), as well new technologies such as <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359644619300017\">MiniFrags<\/a> (ultrasmall fragments) and <a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acs.jmedchem.9b00304\">FragLites<\/a> (halogenated compounds containing paired hydrogen-bonding motifs).<\/p>\n\n\n\n<p>If you&#8217;re interested in FBDD, <a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acs.jmedchem.0c01608\">take a look!<\/a><\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_start.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"625\" height=\"469\" loading=\"lazy\" src=\"https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_start.png?resize=625%2C469&#038;ssl=1\" alt=\"\" data-id=\"6487\" class=\"wp-image-6487\" srcset=\"https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_start.png?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_start.png?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_start.png?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_start.png?resize=624%2C468&amp;ssl=1 624w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">Fragment hit (PDB ID 6OOY)<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_end.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"625\" height=\"469\" loading=\"lazy\" src=\"https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_end.png?resize=625%2C469&#038;ssl=1\" alt=\"\" data-id=\"6488\" data-full-url=\"https:\/\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_end.png\" data-link=\"https:\/\/www.blopig.com\/blog\/?attachment_id=6488\" class=\"wp-image-6488\" srcset=\"https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_end.png?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_end.png?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_end.png?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.blopig.com\/blog\/wp-content\/uploads\/2021\/01\/fragment_blogpost_end.png?resize=624%2C468&amp;ssl=1 624w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">Lead molecule (PDB ID 6OP0)<\/figcaption><\/figure><\/li><\/ul><figcaption class=\"blocks-gallery-caption\">Example of a successful fragment-to-lead  optimisation (Entry 18 in Table 1, Jahnke et al., 2020).  <a href=\"https:\/\/www.nature.com\/articles\/s41467-019-13616-1\">O&#8217;Connell et al., 2019<\/a> developed a potent inhibitor of tumour necrosis factor (TNF) improving the potency over 1000-fold from a Kd of 22\u03bcM to 0.013\u03bcM with no impact on ligand efficiency.<\/figcaption><\/figure>\n\n\n\n<p>Citation:<br>Jahnke W., Erlanson D. A., de Esch I. J. P., Johnson C. N., Mortenson P. N., Ochi Y., and Urushima T., Fragment-to-Lead Medicinal Chemistry Publications in 2019, J. Med. Chem.&nbsp;<strong>2020 <\/strong><em>63<\/em>&nbsp;(24), 15494-15507, DOI: <a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acs.jmedchem.0c01608\">10.1021\/acs.jmedchem.0c01608<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this blogpost, I want to highlight the excellent work by Jahnke and collaborators. For the past 5 years, they have published an annual perspective covering fragment-to-lead success stories from the previous year. Very helpfully, their work includes a table detailing the hit fragment(s) and lead molecule, together with key experimental results and parameters.<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","wikipediapreview_detectlinks":true,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"ngg_post_thumbnail":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[187,48,201],"tags":[118,357,102],"ppma_author":[535],"class_list":["post-6486","post","type-post","status-publish","format-standard","hentry","category-cheminformatics","category-publication","category-small-molecules","tag-drug-discovery","tag-fbdd","tag-fragments"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"authors":[{"term_id":535,"user_id":50,"is_guest":0,"slug":"fergus2","display_name":"Fergus Imrie","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/19c18fa7f4d0a2aecc5f69760c6a9f2fc9b493dfe45b1fd333ccb447db9d6a90?s=96&d=mm&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/posts\/6486","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/comments?post=6486"}],"version-history":[{"count":4,"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/posts\/6486\/revisions"}],"predecessor-version":[{"id":6551,"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/posts\/6486\/revisions\/6551"}],"wp:attachment":[{"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/media?parent=6486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/categories?post=6486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/tags?post=6486"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.blopig.com\/blog\/wp-json\/wp\/v2\/ppma_author?post=6486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}