# Selecting an Assembly

Choosing an *Assembly* from the drop-down list at the top will display the associated library files in the panel below. Assemblies are named by the species and the build version (e.g. Homo sapiens (human) - hg19). Different build versions for the same species are regarded as separate assemblies (Figure 1). Administrative users can delete a selected assembly by clicking the **bin** (![delete\_icon\_x\_cross\_red](https://1384254481-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJVEESmJAPppJ3ijFq5aR%2Fuploads%2Fgit-blob-957d27a9fc76edb7293cdef6fbfaee31fe9dcf30%2Fpurple-bin.png?alt=media)) icon.

![Figure 1. Human assembly versions hg18, hg19 and hg38 will appear as separate assemblies in the drop-down list.](https://1384254481-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJVEESmJAPppJ3ijFq5aR%2Fuploads%2Fgit-blob-770fbf846b08234fdd16bd55daa2f28cddc59584%2Fassembly-dropdown.png?alt=media)

## Additional Assistance

If you need additional assistance, please visit [our support page](http://www.partek.com/support) to submit a help ticket or find phone numbers for regional support.