You will need a file archiver that supports the .7z format, such as the open-source 7-Zip utility or WinRAR .
The contents of an "s003.7z" file depend entirely on the research paper it supports, though it almost always represents (the third supplementary item) compressed in the high-ratio 7-Zip (.7z) format. Common Contents of "s003.7z" Files s003.7z
These files are typically hosted on repositories like Figshare or directly on the journal's "Supporting Information" section. You will need a file archiver that supports the
Raw immunoblot or Western blot image data used to verify protein expression results. s003.7z