UCSC Genome Bioinformatics
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  About the UCSC Genome Bioinformatics Site

Welcome to the UCSC Genome Browser website. This site contains the reference sequence and working draft assemblies for a large collection of genomes. It also provides portals to ENCODE data at UCSC (2003 to 2012) and to the Neandertal project.

We encourage you to explore these sequences with our tools. The Genome Browser zooms and scrolls over chromosomes, showing the work of annotators worldwide. The Gene Sorter shows expression, homology and other information on groups of genes that can be related in many ways. Blat quickly maps your sequence to the genome. The Table Browser provides convenient access to the underlying database. VisiGene lets you browse through a large collection of in situ mouse and frog images to examine expression patterns. Genome Graphs allows you to upload and display genome-wide data sets.

The UCSC Genome Browser is developed and maintained by the Genome Bioinformatics Group, a cross-departmental team within the UC Santa Cruz Genomics Institute and the Center for Biomolecular Science and Engineering (CBSE) at the University of California Santa Cruz (UCSC). If you have feedback or questions concerning the tools or data on this website, feel free to contact us on our public mailing list.

The Genome Browser project team relies on public funding to support our work. Donations are welcome -- we have many more ideas than our funding supports! If you have ideas, drop a comment in our suggestion box.

Give to the UCSC Genome Browser

  NewsFollow @GenomeBrowser on Twitter Genome Browser Facebook page

To receive announcements of new genome assembly releases, new software features, updates and training seminars by email, subscribe to the genome-announce mailing list.


30 September 2014 - Genome Browser and Portal Released for the Ebola Virus

We are excited to announce the release of a Genome Browser and information portal for the Jun. 2014 assembly of the Ebola virus (UCSC version eboVir3, GenBank accession KM034562) submitted by the Broad Institute. We have worked closely with the Pardis Sabeti lab at the Broad Institute and other Ebola experts throughout the world to incorporate annotations that will be useful to those studying Ebola. Annotation tracks included in this initial release include genes from NCBI, B- and T-cell epitopes from the IEDB, structural annotations from UniProt and a wealth of SNP data from the 2014 publication by the Sabeti lab. This initial release also contains a 160-way alignment comprising 158 Ebola virus sequences from various African outbreaks and 2 Marburg virus sequences. You can find links to the Ebola virus Genome Browser and more information on the Ebola virus itself on our Ebola Portal page.

Bulk downloads of the sequence and annotation data are available via the Genome Browser FTP server or the Downloads page. The Ebola virus (eboVir3) browser annotation tracks were generated by UCSC and collaborators worldwide. See the Credits page for a detailed list of the organizations and individuals who contributed to this release and the conditions for use of these data.


23 September 2014 - Ensembl Regulatory Build Now Available in the Genome Browser

We are pleased to announce that data from the Ensembl Regulatory Build is now available in the UCSC Genome Browser as a public track hub for both hg19 and hg38. This track hub contains promoters and their flanking regions, enhancers, and many other regulatory features predicted across a number of cell lines using annotated segmentation states. Click here to view this hub on the hg19 assembly, or click here to view it on the hg38 assembly.

We would like to thank our collaborators Daniel Zerbino, Steve Wilder, and Nathan Johnson from Ensembl and Kate Rosenbloom and Matthew Speir from UCSC for their efforts in bringing these resources to the UCSC Genome Browser.


04 September 2014 - New ENCODE portal launched at www.encodeproject.org: The website for up-to-date information about the ENCODE project is no longer hosted at genome.ucsc.edu/ENCODE. Read more.

03 September 2014 - Data from the FaceBase Consortium Now Available in the Genome Browser: We are pleased to announce that much of the data from the FaceBase Consortium is now available in the UCSC Genome Browser as a public track hub. Read more.


  Conditions of Use

The Genome Browser software, sequence and annotation data are freely available for use with these conditions. A license is required for commercial use of the software. For assistance with questions or problems regarding the UCSC Genome Browser software, database, genome assemblies, or release cycles, click here.

Program-driven use of this software is limited to a maximum of one hit every 15 seconds and no more than 5,000 hits per day.

The UCSC Genome Browser was created by the Genome Bioinformatics Group of UC Santa Cruz. Software Copyright (c) The Regents of the University of California. All rights reserved.