Amino acids and Primary Structure

Amino acids and Primary Structure

What is a di/polypeptide

When two/multiple amino acids join to form a chain

How does a peptide bond form

The carboxyl group of on acid reacts with the amine group of another in a condensation reaction forming a covalent bond

How can a peptide bond be broken

Hydrolysis reaction (add water)

How can a hydrolysis reaction be catalysed

Protease enzyme

Define the primary structure of a protein

The linear sequence of the amino acid within a polypeptide chain (only peptide bonds involved in this level)

How is the sequences of amino acids coded

By a gene, each three bases codes for one amino acid

Give the structure of a protein

• Macromolecules

• Polymers made of multiple amino acids linked together

• Containing hydrogen, oxygen, carbon, nitrogen, (sulfur)

Give the structure of an amino acid

• Central carbon

• Hydrogen atom

• Carboxyl group

• Amine group

• Residual group

Draw a general amino acid

Which group is responsible for variation in amino acids

R groups

What is the R group for Glycine

-H

What is the R group for cysteine

- CH3-SH