Kestrel sequence database file
File type: Database file
A .kseqs file is a Kestrel sequence database used by the Sequence Alignment and Modeling system.
It contains sequences encoded for efficient processing by the Kestrel hmmscore program.
File type category:
Database file
Date updated: September 28, 2026
The Kestrel sequence database format stores an encoded representation of biological sequences. Its encoding is optimized for Kestrel hmmscore rather than for direct reading or general data exchange.
The format belongs to the Sequence Alignment and Modeling system, which uses sequence databases when comparing sequences with profile hidden Markov models. A .kseqs file is therefore a specialized database resource for that software, not a standalone document.
The linked Sequence Alignment and Modeling system is available for Linux and Unix. Because .kseqs files are tied to Kestrel's processing workflow, they remain useful mainly within that system.
Use the Linux or Unix version of the Sequence Alignment and Modeling system, including its Kestrel hmmscore tools, to use a .kseqs file. It is a database file and is normally supplied to the software as an input resource rather than opened as a document.
A general text editor or spreadsheet program will not display the sequences correctly because the file contains Kestrel's encoded sequence data.
If sequences are needed in another format, use the original sequence data, if available, and create the required format with suitable sequence software.
When the file is needed by Kestrel hmmscore, retain it in .kseqs format rather than converting it.
Software apps that create kseqs files:
Linux/Unix
Software applications that handle other tasks involving kseqs files:
Linux/Unix
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