abstract |
The present invention provides an antihypertensive peptide, a polyethylene glycol modified antihypertensive peptide, and preparation methods therefor. The antihypertensive peptide of the present invention comprises at least one polypeptide sequence shown in SEQ ID NO.1-SEQ ID NO.6. The polypeptide of the present invention is obtained for the first time by separating from sand worms and purifying. Experimental results show that the polypeptide has antihypertensive effect and can be used for preparing antihypertensive drugs. |