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Exhibit 23.1
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the reference to our firm under the caption "Experts" in Amendment
No. 2 to the Registration Statement (Form S-2) and related Prospectus of Protein
Polymer Technologies, Inc. for the registration of shares of its common stock
and to the incorporation by reference therein of our report dated February 29,
2000, with respect to the financial statements of Protein Polymer Technologies,
Inc. included in its Annual Report on Form 10-KSB for the year ended December
31, 1999, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
ERNST & YOUNG LLP
San Diego, California
July 5, 2000
