Exhibit 32.1




                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Quarterly Report of Protein Polymer Technologies, Inc.
(the "Company") on Form 10-QSB for the period ended March 31, 2005 as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), the
undersigned hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

     (1) The Report fully complies with the requirements of section 13(a) or
         15(d) of the Securities Exchange Act of 1934; and

     (2) The information contained in the Report fairly presents, in all
         material respects, the financial condition and result of operations of
         the Company.



/s/ William N. Plamondon III
----------------------------
William N. Plamondon III
Chief Executive Officer
May 17, 2005



In connection with the Quarterly Report of Protein Polymer Technologies, Inc.
(the "Company") on Form 10-QSB for the period ended March 31, 2005 as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), the
undersigned hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

     (1) The Report fully complies with the requirements of section 13(a) or
         15(d) of the Securities Exchange Act of 1934; and

     (2) The information contained in the Report fairly presents, in all
         material respects, the financial condition and result of operations
         of the Company.



/s/ Janis Y. Neves
------------------
Janis Y. Neves
Director of Finance and Corporate Secretary
May 17, 2005