beta sheet(redirected from bBeta-pleated sheet)
Also found in: Medical.
Related to bBeta-pleated sheet: Beta barrel
A secondary structure that occurs in many proteins and consists of two or more parallel adjacent polypeptide chains arranged in such a way that hydrogen bonds can form between the chains. Also called beta pleated sheet, pleated sheet.
[From beta-form, the form taken by a protein molecule after it has been stretched.]