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Request for proposalsFederal buyer

Protein ENGineering (PENG)

DEPT OF DEFENSE, Virginia · DEFENSE ADVANCED RESEARCH PROJECTS AGENCY (DARPA) · DEF ADVANCED RESEARCH PROJECTS AGCY
Verified 6 h agoAmended Aug 7
Responses dueMon, Oct 1912:00 PM ET · Virginia time11 days left
PostedFri, Aug 71 amendment, last Aug 21
Solicitation no.DARPA-PS-26-129SAM.gov
Set-asideNoneOpen to all firms

What the agency is buying

by RFPFinder from the notice and attachments; the solicitation governs

DARPA is seeking proposals for the Protein ENGineering (PENG) program to develop a multifunctional platform for precise, programmable editing of endogenous proteins. This is an Other Transaction for Prototypes agreement, with fixed payments made upon completion of milestones.

Scope

  • Develop a multifunctional, target-agnostic platform for precise, programmable editing of endogenous proteins.
  • Integrate novel splicing, ligation, and co-translational techniques to modify and rewrite endogenous proteins.
Days to respond: 11
CompetitionLikely competitive

1 signal behind this label (incumbent, repeat winner, short window, brand-name or sole-source language, prior sources sought). Pro shows them with sources.

From USAspending awards and the notice text, recomputed nightly (Oct 7). A signal, not a verdict.

How to get the bid documents

  1. Download the 13 documents below (no portal account needed)
  2. Check the submission requirements in the compliance checklist
  3. Submit by unknown before 12:00 PM ET on Oct 19
Documents · 13 items, 13 filesDownload all (zip)
Start here
  • Pricing · Attachment_F_DARPA_Cost_Proposal_Spreadsheet.xlsxView
  • Latest amendment · PENG_Amendment_1_Summary_of_Changes.docxView
  • PDF
    DARPA-PS-26-129-Amendment-01.pdf400 KB · 19 pages
  • DOCX
    Attachment_D_Proposal_Inst_and_Vol_I_Template_Tech_and_Management_Amendment_1.docx56 KB
  • DOCX
    PENG_Amendment_1_Summary_of_Changes.docx26 KB
  • PDF
    DARPA-PS-26-129.pdf365 KB · 18 pages
  • XLSX
    Attachment_I_Schedule_of_Milestones_and_Payments.xlsx22 KB
  • DOCX
    Attachment_E_Proposal_Instructions_and_Volume_II_Template_Cost.docx46 KB
  • DOCX
    Attachment_H_Task_Description_Document__TDD_.docx37 KB
  • DOCX
    Attachment_G_Model_Other_Transaction_for_Prototype.docx94 KB
  • XLSX
    Attachment_F_DARPA_Cost_Proposal_Spreadsheet.xlsx129 KB
  • DOCX
    Attachment_D_Proposal_Instructions_and_Volume_I_Template_Technical_and_Management.docx56 KB
  • PPTX
    Attachment_C_Proposal_Summary_Slide_Template.pptx135 KB
  • DOCX
    Attachment_B_Abstract_Instructions_and_Template.docx43 KB
  • PPTX
    Attachment_A_Abstract_Summary_Side.pptx425 KB
Open the original listing on SAM.gov

Details

Place of performance
ARLINGTON, Virginia
Buyer type
Federal
Notice type
Solicitation
Solicitation no.
DARPA-PS-26-129
NAICS
NAICS 541714 (Research and Development in Biotechnology (except Nanobiotechnology))
PSC
PSC AC12: 23 open RFPs
Contract type
Other Transaction for Prototypes from attachment p.1
Local presence
Not required
Amendments
1, last Aug 21
Contact
BAA Coordinator
Office
DEFENSE ADVANCED RESEARCH PROJECTS AGENCY (DARPA) · DEF ADVANCED RESEARCH PROJECTS AGCY
Email
PENG@darpa.mil

Not stated in the notice: estimated value, period of performance. Check the bid documents.

Contact details from the source notice. Contact the buyer only about this solicitation.

Key dates

Fri, Aug 7Posted
Not statedQuestions due
Mon, Oct 19 · 12:00 PM ETResponses due · 11 days left Under 14 days
Amendment 1
Fri, Aug 21

Change log

verified Thu, Oct 8 · 12:30 AM ET
  1. Posted · SolicitationFri, Aug 7 · 7:37 AM ET
  2. Amendment · New version of the notice posted at the sourceFri, Aug 21 · 9:27 AM ET
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Notice as published

Protein ENGineering (PENG)

The Defense Advanced Research Projects Agency (DARPA) is soliciting innovative proposals for the development of a multifunctional, target-agnostic platform for precise, programmable editing of endogenous proteins. The goal of the Protein ENGineering (PENG) program is to transition proteome engineering from a collection of isolated, bespoke tools into a universal, software-defined discipline. The PENG program will establish a comprehensive, integrated platform composed of modular targeting, generalizable effector chemistries, and multiplexed control systems.

Rather than developing isolated, target-specific tools, performers will integrate novel splicing, ligation, and co-translational techniques to directly recognize, modify, and rewrite endogenous proteins within complex biological architectures. Performers may explore multiple technical paths, progressively advancing their approaches from foundational validation to robust demonstrations of efficacy. Ultimately, this integrated platform will be validated in high-fidelity cellular models (e.g., organoids), to provide an integrated proof-of-concept at the tissue level.

What this office paid before

USAspending.gov, last 36 months

25 awards matched · tier 1: this contracting office (HR0011) + PSC AC12. Most recent:

  • Jun 8, 2026ENGINEERING BIOLOGY RESEARCH CONSORTIUMRISK ANALYSIS AND POLICY RECOMMENDATIONS FOR TECHNICAL OUTPUTS OF THE DARPA GENERATIVE OPTOGENETICS PROGRAMHR001126CE079 · DEFINITIVE CONTRACT · Defense Advanced Research Projects Agency · ends Jun 7, 2027$188K
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Awards updated Tue, Oct 6, 2026 · 4:43 AM ET.

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