{"id":11392,"date":"2023-05-16T11:30:52","date_gmt":"2023-05-16T15:30:52","guid":{"rendered":"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/?p=11392"},"modified":"2023-05-16T11:57:39","modified_gmt":"2023-05-16T15:57:39","slug":"split-nucleotide-databases","status":"publish","type":"post","link":"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/2023\/05\/16\/split-nucleotide-databases\/","title":{"rendered":"Now Available! Faster BLAST Searches with New Nucleotide Databases"},"content":{"rendered":"<p><span class=\"TextRun SCXW173460011 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW173460011 BCX0\">NEW in BLAST! <\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">We<\/span><span class=\"NormalTextRun SCXW173460011 BCX0\"> made smaller nucleotide databases to help you find the sequences you need faster and easier. <\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">You can now find<\/span><span class=\"NormalTextRun SCXW173460011 BCX0\"> these databases <\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">on the <\/span><\/span><a class=\"Hyperlink SCXW173460011 BCX0\" href=\"https:\/\/blast.ncbi.nlm.nih.gov\/Blast.cgi?PROGRAM=blastn%20&amp;PAGE_TYPE=BlastSearch&amp;utm_source=ncbi_insights&amp;utm_medium=referral&amp;utm_campaign=blast-split-nt-download-20230516\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW173460011 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW173460011 BCX0\" data-ccp-charstyle=\"Hyperlink\">main nucleotide BLAST search page<\/span><\/span><\/a><span class=\"TextRun SCXW173460011 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW173460011 BCX0\"> (Figure 1) and even <\/span><\/span><a class=\"Hyperlink SCXW173460011 BCX0\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK569850\/?utm_source=ncbi_insights&amp;utm_medium=referral&amp;utm_campaign=blast-split-nt-download-20230516\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW173460011 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW173460011 BCX0\" data-ccp-charstyle=\"Hyperlink\">download them<\/span><\/span><\/a><span class=\"TextRun SCXW173460011 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW173460011 BCX0\"> (<\/span><\/span><span class=\"TextRun SCXW173460011 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW173460011 BCX0\">D<\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">atabases: <\/span><span class=\"SpellingError SCXW173460011 BCX0\">nt_euk<\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">, <\/span><span class=\"SpellingError SCXW173460011 BCX0\">nt_prok<\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">, <\/span><span class=\"SpellingError SCXW173460011 BCX0\">nt_viruses<\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">, <\/span><span class=\"SpellingError SCXW173460011 BCX0\">nt_others<\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">)<\/span><\/span><span class=\"TextRun SCXW173460011 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW173460011 BCX0\">.<\/span> <span class=\"NormalTextRun SCXW173460011 BCX0\">The<\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">y<\/span><span class=\"NormalTextRun SCXW173460011 BCX0\"> are separated by <\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">organism type<\/span><span class=\"NormalTextRun SCXW173460011 BCX0\">, such as eukaryotes, prokaryotes, viruses, and others (including synthetic sequences). <\/span><\/span><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"11396\" data-permalink=\"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/2023\/05\/16\/split-nucleotide-databases\/database_selection\/\" data-orig-file=\"https:\/\/i0.wp.com\/ncbiinsights.ncbi.nlm.nih.gov\/wp-content\/uploads\/2023\/05\/Database_selection.png?fit=1121%2C273&amp;ssl=1\" data-orig-size=\"1121,273\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Database_selection\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/ncbiinsights.ncbi.nlm.nih.gov\/wp-content\/uploads\/2023\/05\/Database_selection.png?fit=300%2C73&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/ncbiinsights.ncbi.nlm.nih.gov\/wp-content\/uploads\/2023\/05\/Database_selection.png?fit=1024%2C249&amp;ssl=1\" class=\"alignright wp-image-11396\" src=\"https:\/\/i0.wp.com\/ncbiinsights.ncbi.nlm.nih.gov\/wp-content\/uploads\/2023\/05\/Database_selection.png?resize=728%2C177&#038;ssl=1\" alt=\"\" width=\"728\" height=\"177\" srcset=\"https:\/\/i0.wp.com\/ncbiinsights.ncbi.nlm.nih.gov\/wp-content\/uploads\/2023\/05\/Database_selection.png?w=1121&amp;ssl=1 1121w, https:\/\/i0.wp.com\/ncbiinsights.ncbi.nlm.nih.gov\/wp-content\/uploads\/2023\/05\/Database_selection.png?resize=300%2C73&amp;ssl=1 300w, https:\/\/i0.wp.com\/ncbiinsights.ncbi.nlm.nih.gov\/wp-content\/uploads\/2023\/05\/Database_selection.png?resize=1024%2C249&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ncbiinsights.ncbi.nlm.nih.gov\/wp-content\/uploads\/2023\/05\/Database_selection.png?resize=150%2C37&amp;ssl=1 150w, https:\/\/i0.wp.com\/ncbiinsights.ncbi.nlm.nih.gov\/wp-content\/uploads\/2023\/05\/Database_selection.png?resize=768%2C187&amp;ssl=1 768w, https:\/\/i0.wp.com\/ncbiinsights.ncbi.nlm.nih.gov\/wp-content\/uploads\/2023\/05\/Database_selection.png?resize=270%2C66&amp;ssl=1 270w\" sizes=\"auto, (max-width: 728px) 100vw, 728px\" \/><\/p>\n<p><em>Figure 1. The database selection section of the main nucleotide BLAST page with the &#8216;Experimental databases&#8217; radio button selected. You can choose one or more of the organism database subsets for your search.\u00a0<\/em><!--more--><\/p>\n<h5>Features &amp; Benefits<\/h5>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Focus your search on relevant sequences<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Download these smaller databases faster<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Search for nucleotide sequences quickly<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\">Search two or more of these databases at the same time<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<h5>Stay up to date<\/h5>\n<p><span data-contrast=\"none\">BLAST is a part of the <\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/comparative-genomics-resource\/?utm_source=ncbi_insights&amp;utm_medium=referral&amp;utm_campaign=blast-split-nt-download-20230516\"><span data-contrast=\"none\">NIH Comparative Genomics Resource (CGR)<\/span><\/a><span data-contrast=\"none\">. CGR facilitates reliable comparative genomics analyses\u202ffor all eukaryotic organisms through an NCBI Toolkit and community collaboration.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Follow us on Twitter\u202f<\/span><a href=\"https:\/\/twitter.com\/ncbi\"><span data-contrast=\"none\">@NCBI<\/span><\/a><span data-contrast=\"none\">\u202fand<\/span><span data-contrast=\"none\"> j<\/span><a href=\"https:\/\/public.govdelivery.com\/accounts\/USNLMOCPL\/subscriber\/new?topic_id=USNLMOCPL_50%22\"><span data-contrast=\"none\">oin our mailing list<\/span><\/a><span data-contrast=\"none\"> to keep up to date with BLAST and other CGR news.<\/span><span data-contrast=\"none\">\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h5>We want to hear from you!<\/h5>\n<p><span data-contrast=\"auto\">Thank you to those who tried out the <\/span><a href=\"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/2022\/11\/17\/re-evaluating-blast-nucleotide-nt\/?utm_source=ncbi_insights&amp;utm_medium=referral&amp;utm_campaign=blast-split-nt-download-20230516\"><span data-contrast=\"none\">test page<\/span><\/a><span data-contrast=\"auto\"> and provided feedback.<\/span><span data-contrast=\"none\">\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">If you haven\u2019t already, try out our new databases and let us know what you think. If you have questions or would like to provide feedback, please reach out to us at <\/span><a href=\"mailto:info@ncbi.nlm.nih.gov\"><span data-contrast=\"none\">info@ncbi.nlm.nih.gov<\/span><\/a><span data-contrast=\"none\">.\u00a0\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>NEW in BLAST! We made smaller nucleotide databases to help you find the sequences you need faster and easier. You can now find these databases on the main nucleotide BLAST search page (Figure 1) and even download them (Databases: nt_euk, nt_prok, nt_viruses, nt_others). They are separated by organism type, such as eukaryotes, prokaryotes, viruses, and &hellip; <a href=\"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/2023\/05\/16\/split-nucleotide-databases\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Now Available! Faster BLAST Searches with New Nucleotide Databases<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":42204617,"featured_media":11398,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[2248],"tags":[77187,677164602,693060768,53114734],"table_tags":[],"class_list":["post-11392","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-whats-new","tag-blast","tag-blastdbv5","tag-comparative-genomics-resource-cgr","tag-blastn"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Now Available! Faster BLAST Searches with New Nucleotide Databases - NCBI Insights<\/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:\/\/ncbiinsights.ncbi.nlm.nih.gov\/2023\/05\/16\/split-nucleotide-databases\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Now Available! Faster BLAST Searches with New Nucleotide Databases - NCBI Insights\" \/>\n<meta property=\"og:description\" content=\"NEW in BLAST! We made smaller nucleotide databases to help you find the sequences you need faster and easier. You can now find these databases on the main nucleotide BLAST search page (Figure 1) and even download them (Databases: nt_euk, nt_prok, nt_viruses, nt_others). They are separated by organism type, such as eukaryotes, prokaryotes, viruses, and &hellip; Continue reading Now Available! 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