{"id":6657,"date":"2021-09-02T14:50:00","date_gmt":"2021-09-02T18:50:00","guid":{"rendered":"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/?p=6657"},"modified":"2021-09-07T11:48:44","modified_gmt":"2021-09-07T15:48:44","slug":"64-bit-gis","status":"publish","type":"post","link":"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/2021\/09\/02\/64-bit-gis\/","title":{"rendered":"NCBI&#8217;s GI sequence identifiers will soon exceed 32-bit numbers. Are you and your software ready?"},"content":{"rendered":"<p>In 2016, NCBI\u00a0<a class=\"external-link\" title=\"Follow link\" href=\"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/2016\/07\/15\/ncbi-is-phasing-out-sequence-gis-heres-what-you-need-to-know\/#more-891\" target=\"_blank\" rel=\"nofollow noopener\">announced<\/a> that it was curtailing its display of its numeric &#8216;GI&#8217; in popular sequence data formats such as FASTA and GenBank flatfiles. Due to the continued growth of GenBank, NCBI will soon begin assigning GIs exceeding the signed 32-bit threshold of 2,147,483,647 for those remaining sequence types that still receive these identifiers.<\/p>\n<p>NCBI has updated products including\u00a0<a class=\"external-link\" title=\"Follow link\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/search\/all\/?term=all%5Bsb%5D&amp;utm_source=blog&amp;utm_medium=referral&amp;utm_campaign=GI-sequence-identifiers&amp;utm_term=Entrez&amp;utm_content=20210902link1\" target=\"_blank\" rel=\"nofollow noopener\">Entrez system<\/a>,\u00a0<a class=\"external-link\" title=\"Follow link\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/genbank\/?utm_source=blog&amp;utm_medium=referral&amp;utm_campaign=GI-sequence-identifiers&amp;utm_term=Genbank&amp;utm_content=20210902link2\" target=\"_blank\" rel=\"nofollow noopener\">GenBank<\/a>\u00a0(<a class=\"external-link\" title=\"Follow link\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/nuccore\/?utm_source=blog&amp;utm_medium=referral&amp;utm_campaign=GI-sequence-identifiers&amp;utm_term=Nucleotide&amp;utm_content=20210902link3\" target=\"_blank\" rel=\"nofollow noopener\">Nucleotide<\/a>),\u00a0<a class=\"external-link\" title=\"Follow link\" href=\"https:\/\/blast.ncbi.nlm.nih.gov\/Blast.cgi?utm_source=blog&amp;utm_medium=referral&amp;utm_campaign=GI-sequence-identifiers&amp;utm_term=Blast&amp;utm_content=20210902link4\" target=\"_blank\" rel=\"nofollow noopener\">BLAST\u2122<\/a>\u00a0and the\u00a0<a class=\"external-link\" title=\"Follow link\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/toolkit\/?utm_source=blog&amp;utm_medium=referral&amp;utm_campaign=GI-sequence-identifiers&amp;utm_term=Toolkit&amp;utm_content=20210902link5\" target=\"_blank\" rel=\"nofollow noopener\">C++ Toolkit<\/a> to prepare for that moment by upgrading GI-related code and APIs to accept 64-bit integers. This change over is projected for late 2021. Stay tuned for additional communications from NCBI and take note of the following information if you think you may be impacted.<\/p>\n<p>For a seamless transition, all organizations and developers using our products should review software for any remaining reliance on GIs and compatibility with these larger identifiers.<em>\u00a0Note that this update requires no changes to submission procedures or assignment of accessions.<\/em>\u00a0<!--more--><\/p>\n<p>Software developers and organizations with specialty software built to interface with NCBI data and consume a sequence database UID (i.e. GI), process the GI from an ASN1 or XML product, or process the GI from\u00a0<em>any<\/em>\u00a0tabular product on\u00a0<a class=\"external-link\" title=\"Follow link\" href=\"https:\/\/ftp.ncbi.nlm.nih.gov\/\" target=\"_blank\" rel=\"nofollow noopener\">FTP<\/a>, should review all code to ensure that the new, longer GIs will be handled properly. Alternatively, software developers can make updates to use accession.version identifiers instead of GIs as described in a\u00a0<a class=\"external-link\" title=\"Follow link\" href=\"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/2016\/12\/23\/converting-lots-of-gi-numbers-to-accession-version\/\" target=\"_blank\" rel=\"nofollow noopener\">previous post<\/a>. We also recommend checking any JSONs in libraries if you have large numeric IDs converted to strings.<\/p>\n<p>We encourage all our customers to update to the latest versions of a variety of NCBI-provided programmatic and command line tools and also check certain web tools as described below.<\/p>\n<ul>\n<li>Programmatic, command line customers &amp; software developers\n<ul>\n<li>\u2192 Review any and all NCBI binaries in use. Upgrade to the latest versions of all binaries although all NCBI tool versions since 2018 support the larger 64-bit GIs.<\/li>\n<\/ul>\n<\/li>\n<li>Web customers\n<ul>\n<li>\u2192\u00a0<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK25501\/?utm_source=blog&amp;utm_medium=referral&amp;utm_campaign=GI-sequence-identifiers&amp;utm_term=E-Utilities+&amp;utm_content=20210902link6\">E-Utilities<\/a>\u00a0&#8211; you can request links that include the UID with the new, longer GI.\n<ul>\n<li><b>Tip:<\/b>\u00a0Any UID greater than 2147483647 is an updated 64-bit identifier<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>NCBI is here to help and welcomes all your feedback! Stay tuned here or on\u00a0<a class=\"external-link\" title=\"Follow link\" href=\"https:\/\/twitter.com\/NCBI\" target=\"_blank\" rel=\"nofollow noopener\">NCBI Twitter<\/a>\u00a0where we will share updates and additional information.<\/p>\n<p>Please contact\u00a0<span class=\"nobr\"><a class=\"external-link\" title=\"Follow link\" href=\"mailto:info@ncbi.nlm.nih.gov?subject=%2264bit%20GIs%20NCBI%20Insights%2020210901\" target=\"_blank\" rel=\"nofollow noopener\">info@ncbi.nlm.nih.gov<sup><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"rendericon\" src=\"https:\/\/i0.wp.com\/jira.ncbi.nlm.nih.gov\/images\/icons\/mail_small.gif?resize=13%2C12&#038;ssl=1\" alt=\"\" width=\"13\" height=\"12\" align=\"absmiddle\" border=\"0\" \/><\/sup><\/a><\/span> with any questions about this change or to determine if any software you are using is affected.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In 2016, NCBI\u00a0announced that it was curtailing its display of its numeric &#8216;GI&#8217; in popular sequence data formats such as FASTA and GenBank flatfiles. Due to the continued growth of GenBank, NCBI will soon begin assigning GIs exceeding the signed 32-bit threshold of 2,147,483,647 for those remaining sequence types that still receive these identifiers. NCBI &hellip; <a href=\"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/2021\/09\/02\/64-bit-gis\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">NCBI&#8217;s GI sequence identifiers will soon exceed 32-bit numbers. Are you and your software ready?<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":42204617,"featured_media":0,"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":[515974269,302416,40069,929142],"table_tags":[],"class_list":["post-6657","post","type-post","status-publish","format-standard","hentry","category-whats-new","tag-accession-version","tag-gi","tag-records","tag-sequences"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCBI&#039;s GI sequence identifiers will soon exceed 32-bit numbers. 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