The discounted APC 2019 is $1,150, compared to PNAS’ regular fee of $1,500.

How do I proceed as a corresponding author?

Authors of accepted manuscripts who wish to publish their article open access should note the reduced fee ($1,100) on the PNAS billing forms included with the author proofs.

Information from PNAS

More information about centrally funded and discounted article processing charges

If you have questions about the agreement or open access publishing, please contact us at openaccess@su.se