Shared Flashcard Set

Details

Amino Acids
Structure, Properities, pKa
20
Biochemistry
Undergraduate 3
09/17/2012

Additional Biochemistry Flashcards

 


 

Cards

Term
Glycine
Definition

[image]Non-Polar

 

Gly

 

*Alpha carbon NOT stereocenter

Term
Alanine
Definition

[image]

Ala

 

Non-Polar

 

 

Term
Valine
Definition

[image]

Val

 

Non-Polar

Term
Leucine
Definition

[image]

Leu

 

Non-Polar

Term
Isoleucine
Definition

                          Ile

 

                          Non-Polar

[image]

 

Term
Methionine
Definition

[image]

Met

 

Non-Polar

Term
Phenylalanine
Definition

[image]

Phe

 

Non-Polar

Term
Tryptophan
Definition

[image]

Trp

 

Non-Polar

 

λ max: 280nm

Term
Tyrosine
Definition

[image]

Tyr

 

Non-Polar

 

pKa: 10.9

 

λ max: 274 nm

Term
Proline
Definition

[image]

Pro

 

Non-Polar

 

*NH2+

Term
Cysteine
Definition

[image]

Cys

 

Non-Polar (slight polarity but not much)

 

pKa: 8.18

 

Disulfide Bridge

Term
Arginine
Definition

[image]

Arg

 

Basic

 

pKa: 12.48

Term
Lysine
Definition

[image]

Lys

 

Basic

 

pKa: 10.5

Term
Histidine
Definition

[image]

His

 

Basic

 

pKa: 6.0

Term
Aspartic Acid
Definition

[image]

Asp

 

Acidic

 

pKa:3.5

Term
Glutamic Acid
Definition

[image]

Glu

 

Acidic

 

pKa: 4.25

Term
Serine
Definition

[image]

Ser

 

Polar, Uncharged

 

*Acts as proton donor or acceptor

Term
Threonine
Definition

[image]

Thr

 

Polar, Uncharged

 

*Hydrogen bond donor or acceptor

Term
Asparagine
Definition

[image]

Asn

 

Polar, Uncharged

 

*Amine never gets protonated because of lone pair resonance

Term
Glutamine
Definition

[image]

Gln

 

Polar, Uncharged

 

 

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