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17 Cards in this Set
- Front
- Back
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Review alignment of cytC:
-The N-terminii may have fnc in what but not in what? |
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Define 4 levels of aa conventions:
-Primary? -Secondar? -Teritary? -Quaternary? |
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Protiens have a well defined what? What determined biological function of protiens?
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Draw peptide group:
-label terminii -ID peptide bond -draw resonance form of peptide group? Define peptide bond? What kind of character does it have? What does not have rotational freedom and why? |
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Which conformation is dominant and why? p131
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Define main chain? relate to DNA?
-what is ignored? -describe struct? what can rotate? -When does another residue start? -which bonds have rotational freedom? -Define phi and psi? Degrees? |
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WHy doesnt all what psi and phi angles exist?
What does ramachandran diagram show? -NOTE: What aa occupies more or less surface area on diagram and why? |
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Secondary structure:
-examples? -commonly found in what? -what is this structuer due to? |
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Alpha:
-type of helix? -How many residues/turn? and how many pitch? WHat is a pitch? -avg length in residues and turns? -What bond occurs btw what groups? |
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..ALPHA:
-What position is carbonyll and amino group? -What interactn at core? -Give example of how weak forces play significant role? |
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Fig6-8 What increase the stablility of this structure?
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BETA:
-what is the basis for its existence? -describe its backbone? -name two forms and draw? -Which form is less stable? |
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..BETA:
-Draw pleated sheet p137? |
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Secondary Struct Diagram:
-When does alph start and end and when does beta start? Look at fig 6-12 |
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Fibroud Protiens:
-which does this define? -What is this an example of? -What is the main component of hair, nail, horn etc? What kind of strength does this give it? What kind of coiled coil does this have and why do helices form here? |
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..Fibrous Protiens:
Fig6-14: -What kind of residues are found in the core? -How many residues/turn? -What gives it addnl stability? |
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Fibrous Protiens:
Note -What kind of bonds do higher order structures have? -What residues form what kind of bond? |
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