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Release Notes

Version 4.3   details

Version 4.3 adds multiple new features including contig assembly, more flexible alignment tools, support for nicking endonucleases, and support for point features.

Contig Assembly

Linear or circular contigs can be assembled de novo from overlapping sequences or Sanger sequence traces.

Flexible Alignments

Sequences to be aligned can now be imported in various ways. A portion of a multiple alignment can be extracted to generate a new multiple alignment, or an existing multiple alignment can be edited to add or remove alignments generated by different algorithms.

Nicking Enzymes

Nicking endonucleases can be displayed. When a selection spans from an end of a linear sequence to a nicking endonuclease site, that single-stranded region can be removed by pressing Delete.

Point Features

Zero-length point features are now supported for DNA sequences, and are recognized when importing files from GenBank, MacVector, or Gene Construction Kit.

Enzyme Site Highlighting

Commonly used enzyme sites can be highlighted in gold for quick identification.

Alignment Consensus Enhancements

Consensus sequences for multiple alignments have an improved format, and can now be copied or exported.

Stored Edits for Alignment to a Reference Sequence

By popular demand, when an alignment to a reference DNA sequence is edited by adjusting the endpoints of the aligned sequences, those edits are preserved and restored.

Feature Import from Other File Formats

Features can be imported into a DNA sequence from BED, GFF3, or GTF formats.

Import from UniProt

Protein sequence records can be imported from the UniProt database.

Import of Genome Compiler Projects

Genome Compiler project files (.gcproj) can now be opened directly in SnapGene. For construction project files, the construction histories are captured in History view.

Primer Addition Dates

When a primer is added to a file, the date is recorded. Primers can be sorted by Date Added.

Reading and Writing Alignment File Formats

SnapGene can import alignments to a reference sequence in SAM/BAM and Vector NTI® .cep formats, and can export alignments to a reference sequence in SAM/BAM formats.


Version 4.3.1   details

This version includes minor fixes and enhancements.


Version 4.3.2   details

This version includes stability fixes and minor enhancements.


Version 4.3.3   details

This version further improves stability.


Version 4.3.4   details

This version corrects a regression in the 4.3.3 release.


Version 4.3.5   details

This version includes stability and performance enhancements.


Version 4.3.6   details

This version includes minor fixes and enhancements.


Version 4.3.7   details

Version 4.3.7 includes stability improvements and minor enhancements, and adds support for importing Vector NTI® Express databases.


Version 4.3.8   details

SnapGene is now available in Chinese! A more formal announcement will follow.

Version 4.3.8 also includes a number of other enhancements and stability improvements.


Version 4.3.8.1   details

Addressed an issue with some licenses.


Version 4.3.9   details

This version includes performance and stability enhancements, and adds the capacity to use aliases/shortcuts in SnapGene collections.


Version 4.3.10   details

Version 4.3.10 includes stability improvements and minor enhancements.


Version 4.3.11   details

This version enhances stability and further improves the Vector NTI® converters.