Proteins - Biochemistry
- Created by: HeHeHe24
- Created on: 06-12-19 16:00
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- Proteins
- Amino acids
- Monomer
- contains an amine group & carboxyl group
- R group differs for every single amino acid
- glycine simplest R=H
- up to 20 different R groups
- amino acids are held onto tRNA
- on a complementary anticodon to codon
- polypeptides are formed at ribosomes
- forms primary structure
- Polypeptides
- amino acids are joined
- condensation reaction
- water is removed
- peptide bond is formed
- Protein structure
- primary
- sequence of amino acids
- peptide bonds
- secondary
- hydrogen bonds present
- pulled into coil - Alpha helix
- lie parallel - beat pleated sheet
- tertiary
- folded into its final 3D shape
- hydrogen bonds
- ionic bonds
- disulfide linkages
- hydrophobic/philic interactions
- quaternary
- joining of 2 or more protein chains
- addition of a prosthetic group
- non protein component
- primary
- Amino acids
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