Ch 7 Proteins

Question 1

The peptide band is a hybrid between

Answer 1

2 resonance forms

Question 2

What part of an amino acid is rigid? What’s flexible?

Answer 2

N AND C backbone is rigid and alpha carbons flexible

Question 3

Secondary structures consist of

Answer 3

Coils and sheets

Question 4

_ Is a helix breaker in alpha helices

Answer 4

Proline

Question 5

You can find -_ bonding in an alpha helix. Where backbone tr sticking out?

Answer 5

Hydrogen and?

Question 6

The beta sheet is different than alpha helix by? What’s the same?

Answer 6

Aa can be distal helix ) you gottabe close. Also the sheet has R groups sticking up or down depending on if parallel or anti parallel. both Havel bonding and ?

Question 7

Tertiary structures are determined by?

Answer 7

R group interactions not backbone interactions Ike in pomayor secondary

Question 8

Give 2 examples of a domain

Answer 8

’ Lactate dehydrogenase/) nucleotide binding fold in LDH and actin fold that binds ATP in a G bprotein

Question 9

What is unique about globin proteins?

Question 10

What type of binding. binding is typically found in proteins

Answer 10

Noncevalent

Question 11

Describe a beta adrenergic receptor

Answer 11

7 alpha helices that are transmentirnes