Lecture+9+Web-Bio93-2008

Lecture+9+Web-Bio93-2008 - 1 Lecture 9: Proteins and...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Lecture 9: Proteins and Nucleic Acids Wednesday 10/15/07 Reading Chapter 5 pgs. 77-89 Proteins • Function – support, storage, transport, signaling, receptors, movement, catalysis, defense • Structure – Amino Acids: monomers, combine to form polymers – Polypeptide: polymer of AAs in speci¡c sequence – Protein: one or more polypeptides with speci¡c 3- D conformation Amino acids → polypeptides → proteins 2 Amino Acids • Structure –Alpha Carbon • Amino group • Hydrogen • Carboxyl group • R group: variable side chain – Hydrophobic (9/20) – Hydrophilic (polar 6/20) – Ionized (acids and bases) (5/20) Formation of polypeptides • AA are joined by dehydration reactions. – peptide bond (covalent) • Polypeptide – Amino end • N terminus – Carboxy end • C terminus – Few to thousands of monomers (aa) 2 Amino Acids • Structure –Alpha Carbon • Amino group • Hydrogen • Carboxyl group • R group: variable side chain – Hydrophobic (9/20) – Hydrophilic (polar 6/20)...
View Full Document

This note was uploaded on 10/17/2008 for the course BIO SCI 05240 taught by Professor Busciglio during the Fall '08 term at UC Irvine.

Page1 / 10

Lecture+9+Web-Bio93-2008 - 1 Lecture 9: Proteins and...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online