Lecture 8 - Enzyme pt.2

Question 1

What are the 3 types of membrane protein

Answer 1

Integral membrane proteins
Peripheral membrane proteins (protein/lipid associated)
Lipid anchored membrane proteins

Question 2

What percentage of ORFs (protein coding genes) in genomes are predicted to encode membrane proteins

Answer 2

20-30%

Question 3

What type of side chains are most suited to being in the hydrophobic core of the lipid bilayer

Answer 3

Non-polar/hydrophobic side chains

Question 4

What are the non polar aliphatic R group AAs

Answer 4

Glycine, alanine, valine, leucine, methionine, isoleucine

Question 5

What are the aromatic R group AAs

Answer 5

Phenylalanine, tyrosine, tryptophan

Question 6

What are the polar, uncharged R group AAs

Answer 6

Serine, threonine, cysteine, proline, asparagine, glutamine

Question 7

What are the charged R group AAs

Answer 7

Lysine, arginine, histidine, aspartate, glutamate

Question 8

What scale measures hydrophobicity

Answer 8

Kyte and Doolittle