Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use in this Registration Statement (No. 333-277048) on Form S-4 of our report dated April 12, 2024, relating to the financial statements of Tectonic Therapeutic, Inc. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ Deloitte & Touche LLP

Boston, Massachusetts

April 12, 2024