Exhibit 32.1


                           CERTIFICATIONS 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 Annual Report of Protein Polymer Technologies, Inc. (the
"Company") on Form 10-KSB for the period ended December 31, 2003 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/ J. Thomas Parmeter
-------------------------------------
J. Thomas Parmeter
President and Chief Executive Officer
March 30, 2004




In connection with the Annual Report of Protein Polymer Technologies, Inc. (the
"Company") on Form 10-KSB for the period ended December 31, 2003 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 Assistant Secretary
March 30, 2004