Patent ID: 6887979

Claim:
A method for preventing freeze-induced decrease in activity of a protien of interest comprising adding a polypeptide comprising the following amino acid sequence (I) to the protein of interest: Ser-Sesr-Thr-Gly-Ser-X1-Ser-X2-Thr-Asp-X3-X4-X5-X6-X7-X8-Gly Ser-X9-Thr-Ser-Gly-Gly-Ser-Ser-Thr-Tyr-Gly-Tyr-Ser-Ser-X10-X11-X12-X13-Gly-X14-Val (I) (SEQ ID NO: 1) wherein, X1 represents Ser or Thr, X2 represents Asn or Thr, X3 represents Aer or Ala, X4 represents Asn or Ser, X5 represents Ser or Thr, X6 represents Asn, Asp, or Lys, X7 represents Ser, Asn, or Lys, X8 represents Ala, Thr, or Val, X9 represents Ser, or Arg, X10 represents Asn, Ser, Asp, or Arg, X11 represents Ser, Asn, His, or Cys, X12 represents Arg or Gly, X13 represents Asp or Gly, and X14 represents Ser or Arg.