PNAS LaTeX template

Proceedings of the National Academy of Sciences

No page-1 preview: this template opens on Overleaf.

Then choose Download > Source and upload the .zip into a new paper in Papers.

What it is

Class: pnas-new
Version tested: PNAS's current Overleaf template (2025)
Licence of the class: LPPL 1.3c, as stated on PNAS's official Overleaf template page
Licence of our starter: None (no starter: the files come from PNAS on Overleaf)
Official source: www.pnas.org/author-center/submitting-your-manuscript

How the files arrive

The publisher distributes this template only through Overleaf: open it there, choose Download > Source, and upload the .zip into a new paper in Papers.

PNAS publishes its class (pnas-new.cls) only inside its Overleaf template, and pnas.org does not serve it to programs. Open the template on Overleaf, choose Download > Source (a free Overleaf account is enough) and upload that .zip here: every file comes with it.

Format

Through Overleaf: Download > Source there, upload the .zip here

The venue's own instructions are the rule: www.pnas.org/author-center/submitting-your-manuscript.

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