Exhibit 23.1


              CONSENT OF PETERSON & CO., LLP, INDEPENDENT AUDITORS


We consent to the reference to our firm under the caption "Experts" in the
Registration Statement on Form S-2 and related Prospectus of Protein Polymer
Technologies, Inc. for the registration of its common stock and to the
incorporation by reference therein of our report dated February 28, 2005, except
for Note 10, as to which the date is May 13, 2005, with respect to the financial
statements of Protein Polymer Technologies, Inc. included in its Annual Report
(Form 10-KSB/A) for the year ended December 31, 2004, filed with the Securities
and Exchange Commission.



                                       /s/ PETERSON & CO., LLP

San Diego, California
May 19, 2004