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Welcome to the PNAS online submission and peer review system. Listed below are tools and guidelines to help you prepare your manuscript for submission.

Update your PNAS profile
Please take a moment to review your user profile. PNAS has developed a referee expertise database to help our editors improve the timeliness of the peer review process. Please take a moment to review your user profile and enter in your area(s) of expertise and key terms that should be associated with your work.

***Check out the new videos on how to submit your paper to PNAS***

How to submit your new paper to PNAS: Express Submission. Click Here.

How to submit your contributed, revised, or resubmitted paper to PNAS. Click Here.

***Express Submission***

Authors can now submit Direct and PNAS PLUS submissions using "Express Submission." When choosing a Express Submission, only a combined manuscript PDF file (containing manuscript text and any Supporting Information) is required to be uploaded. Express submissions undergo the same review process as regular Direct and Plus manuscripts. Express Submission is only permitted for initial submissions.

Significance Statements

All research articles must include a 120-word-maximum statement about the significance of the paper written at a level understandable to scientists outside the authors' field of specialty. The statement will be considered for appropriateness by the paper’s reviewers as part of the editorial process. The Significance Statement will appear in the paper itself. For PNAS Plus papers only, a collection of such statements will appear in the print issue of the journal. For additional information or to see samples of Significance Statements, please see PNAS Plus FAQ.

PNAS Information for Authors
Procedures for submitting manuscripts including formatting requirements, file preparation, publication charges, etc., are all identified within the Information for Authors.

Check Manuscript Length
Click here to access a tool designed to provide authors with an estimate of whether their manuscript fits within the print publication requirements before actually submitting to the journal. In order for the system to calculate a length estimate to determine if a manuscript fits within the print publication requirements of no more than 6 journal pages for research articles, authors submitting Microsoft Word files must type "\body" (without quotes) immediately before the introduction section of their manuscript (and then include the standard section headings of a research article).

Submitting Supporting Information Guidelines
Supporting Information (SI) may take the form of supplemental figures, tables, datasets, derivations, and videos. Click here to review procedures for submitting SI including formatting requirements, file preparation, publication charges, etc.

PNAS LaTeX template
Authors submitting LaTeX files are encouraged to use the PNAS LaTeX template, which will apply much of the same formatting used for published articles and enable LaTeX authors to get a page length estimate. This template is meant to help with submission only and will not be used for production purposes. The template plus associated class (.cls) and style (.sty) files, instructions for use, and sample files are available. Authors submitting in LaTeX are also encouraged to provide a compiled PDF of their manuscript with the figures placed within the text. This file should be uploaded as the Author PDF for Review. It will be made available to editors and reviewers.

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