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Amino Acids
general info and 20 naturally occurring amino acids
50
Biochemistry
Undergraduate 2
04/30/2013
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Term
Acidic pH
 Definition
[image]
Term
Alkaline pH
 Definition
[image]
Term
Physiological pH (zwitterion)
 Definition
[image]
Term
In organisms, do amino acids have L-configuration or D-configuration?
 Definition
L-configuration
Term
Hydrophobic amino acids
 Definition
non-polar side chains
Term
Polar amino acids
 Definition
electronegative atoms in the side chain
Term
Charged amino acids
 Definition
positively or negatively charged side chain
Term
Aromatic amino acids
 Definition
ring side chains with electron resonance
Term

Glycine (Gly)

 

type?

 Definition
hydrophobic amino acid
Term

Alanine (Ala)

 

type?

 Definition
hydrophobic amino acid
Term

Valine (Val)

 

type?

 Definition
hydrophobic amino acid
Term

Leucine (Leu)

 

type?

 Definition
hydrophobic amino acid
Term

Isoleucine (Ile)

 

type?

 Definition
hydrophobic amino acid
Term

Methionine (Met)

 

type?

 Definition
hydrophobic amino acid
Term

Proline (Pro)

 

type?

 Definition
hydrophobic amino acid
Term

Serine (Ser)

 

type?

 Definition
polar amino acid
Term

Threonine (Thr)

 

type?

 Definition
polar amino acid
Term

Cysteine (Cys)

 

type?

 Definition
polar amino acid
Term

Glutamine (Gln)

 

type?

 Definition
polar amino acid
Term

Asparagine (Asn)

 

type?

 Definition
polar amino acid
Term

Aspartate (Asp)

(aspartic acid)

 

type?

 Definition
charged amino acid
Term

Glutamate (Glu)

(glutamic acid)

 

type?

 Definition
charged amino acid
Term

Histidine (His)

 

type?

 Definition
charged amino acid
Term

Lysine (Lys)

 

type?

 Definition
charged amino acid
Term

Arginine (Arg)

 

type?

 Definition
charged amino acid
Term

Phenylalanine (Phe)

 

type?

 Definition
aromatic amino acid
Term

Tyrosine (Tyr)

 

type?

 Definition
aromatic amino acid
Term

Tryptophan (Trp)

 

type?

 Definition
aromatic amino acid
Term

Glycine (Gly)

 

side chain?

 Definition
[image]
Term

Alanine (Ala)

 

side chain?

 Definition
[image]
Term

Valine (Val)

 

side chain?

 Definition
[image]
Term

Leucine (Leu)

 

 

side chain?

 Definition
[image]
Term

Isoleucine (Ile)

 

 

side chain?

 Definition
[image]
Term

Methionine (Met)

 

 

side chain?

 Definition
[image]
Term

Proline (Pro)

 

 

side chain?

 Definition
[image]
Term

Serine (Ser)

 

 

side chain?

 Definition
[image]
Term

Threonine (Thr)

 

 

side chain?

 Definition
[image]
Term

Cysteine (Cys)

 

 

side chain?

 Definition
[image]
Term

Glutamine (Gln)

 

 

side chain?

 Definition
[image]
Term

Asparagine (Asn)

 

 

side chain?

 Definition
[image]
Term

Aspartate (Asp)

(aspartic acid)

 

side chain?

 Definition
[image]
Term

Glutamate (Glu)

(glutamic acid)

 

side chain?

 Definition
[image]
Term

Histidine (His)

 

side chain?

 Definition
[image]
Term

Lysine (Lys)

 

side chain?

 Definition
[image]
Term

Arginine (Arg)

 

side chain?

 Definition
[image]
Term

Phenylalanine (Phe)

 

side chain?

 Definition
[image]
Term

Tyrosine (Tyr)

 

side chain?

 Definition
[image]
Term

Tryptophan (Trp)

 

side chain?

 Definition
[image]
Term
Name the 4 basic categories of amino acids.
 Definition

Hydrophobic

Polar

Charged

Aromatic
Term
To determine peptide chain sequence: 2 advantages to using mass spectrometry sequencing(mss) over Edman degradtion(ed)?
 Definition
1) mms is MUCH faster
2) mms requires MUCH smaller amounts of peptide
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