Four Levels of Protein Structure

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure

Tags

NGSS.HS-LS1-6

Sequence of amino acids

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure

Tags

NGSS.HS-LS1-6

Is like the order of letters in a very long word. If left to chance, there would be 20 127 different ways of making a polypeptide chain 127 amino acids long.

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure

Tags

NGSS.HS-LS1-1

Dictates protein structure, due to the chemical nature of the backbone and the side chains (R groups) of the amino acids along the polypeptide.

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure

Linear chain of amino acids

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure

Regions stabilized by hydrogen bonds between atoms of the polypeptide backbone

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure

Regions stabilized by hydrogen bonds between atoms of the polypeptide backbone

• Primary Structure

• Secondary Structure

• Tertiary structure

• Quaternary Structure

A

• Alpha Helix

• Beta Pleated Sheet

• Hydrogen Bond

• Peptide Bond

Tags

NGSS.HS-LS1-1

B

• Alpha Helix

• Beta Pleated Sheet

• Hydrogen Bond

• Peptide Bond

Tags

NGSS.HS-LS1-1

C

• Alpha Helix

• Beta Pleated Sheet

• Hydrogen Bond

• Peptide Bond