Biochem-a.a

Essential a.a
- Phenyl alanine
- valine
- Threonine
- Tryptophan
- Isoleucine
- Methionine
- Histidine
- Arginine
- Leucine
- Lysine
a.a with aromatic rings
- phenylalanine
- tryptophan
- tyrosine
What prevents rotation about the amide bond?

partial double character
All a.a in humans are D or L form?

L
Peptides in humans are in cis or trans configuration?

trans
Proteins are quantified by reacting with what?

ninhydrin
In edman degradation what group reacts with the amino group?

phenyl isothiocyanate
Beta turn and omega loop contribute to which protein sructure?

final protein structure
In alpha helix configuration, which groups are hydrogen bonded

co with nh 4 residues away
A protein rich in beta sheets

Fatty acid binding protein
An alpha helical protein?

Ferritin
Alpha helical coiled coil

keratin
Distribution of alpha helices, beta strands and turns along a protein are part of

secondary structure
DNA binding proteins have unique supersecondary motifs..what are they
- Leucine zipper
- helix turn helix
- Zinc finger
What are some supersecondary motifs?
- Beta alpha beta
- alpha loop alpha
- beta meander
- Greek key
Whats the difference between normal pion protein and pathologic prion protein?
- normal is rich in alpha helices
- abnormal is rich in beta sheet
Protein aggregates called Amyloidoses are found in what neurodegenerative disease?

Alzeimer's

Author

pszurnicki

61391

Card Set

Biochem-a.a

Description

Biochem-a.a

Updated

2011-01-23T06:29:53Z

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