The most common covalent cross-links in proteins are _________ bonds which link together two –SH groups from cysteine side chains.
举一反三
- Which of the following descriptions about β-sheet is correct? A: It belongs to the tertiary structure of proteins B: Two peptide chains can not be anti-parallel C: The side chain of amino acids alternately is located above the peptide unit D: The skeleton of the main chain is zigzag E: There is no hydrogen bond between β-sheet peptide chains
- He thought that web pages which had the most links to them from other web pages must be the most popular.
- The primary structure of proteins consists of a sequence of amino acids linked together by peptide bonds and includes any disulfide bonds.
- Covalent modifications added to a protein’s amino acid side chains can control the location and function of the protein and can serve as docking sites for other proteins.
- The most common side effect of insulin is（1.0分）