beta sheet

beta sheet Preferentially called a beta pleated sheet. A regular structure in an extended polypeptide chain, stabilized in the form of a sheet by hydrogen bonds between CO and NH groups of adjacent (parallel or antiparallel) chains.

beta strand Element of a Beta-S . One of the strands that is hydrogen bonded to a parallel or antiparallel strand to form a β-sheet.

beta turn A hairpin structure in a polypeptide chain. Reversing its direction by forming a hydrogen bond between the CO group of amino acid residue n with the NH group of residue (n+3).

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