2 Amino acids Flashcards
A-
Non polar
Ala-Alanine- has 3 carbons
V-
Non polar
Val- Valine- branched chain AA
L-
Non polar
Leu-Leucine- branches chain AA
I-
Non polar
Ile- isoleucine- branched chain AA
P-
Non polar
Pro- Proline- only non flexible AA
M-
Met- Methionine- sulfur AA
Amino acids with methyl group as side chain
Alanine
Amino acids forms ring with Nitrogen and side group
Proline
F-
Aromatic
Phe- Phenylalanine
Aromatic AA
Y-
Aromatic
Tyr- tyrosine- has an OH group
W-
Aromatic
Trp- Tryptophan
Largest letter and tryptophan. Is the largest AA
One letter code for phenylalanine
F
S-
Polar uncharged
Ser- Serine- alcohol group
T-
Polar uncharged
Thr- threonine- alcohol group
C-
Polar uncharged
Cys- cysteine- sulfur group
N-
Polar uncharged
Asn- asparagine- amide of Asp
- has amide group so this shows N group
Q-
Polar uncharged
Gln- Glutamine- Amide of Glu
D-
Negatively charged
Asp- Aspartate “asparDick acid”
E-
Negative charged
Glu-glutamate
K-
Positively charges
Lys- Lysine- amine side group
R-
Positively charges
Arg-arginine- guanadino side group
H-
Positively charged
His- Histidine- neutral at pH 7.4, negatively charged only at more acidic pH’s
Most amino acids are composed of:
L- amino acids
What is zwitterion ?
A molecule with equal numbers of positive and negative charges at the same time
What is the side group on G?
-H
Which of the following amino acids is aromatic?
F
Which amino acid is the most abundant in our blood?
Glutamine
What is the one letter code for the aromatic amino acid with the largest molecular weight?
W
Which of the following amino acids has an acidic side group?
E
The amino acid S has an alcohol on it side group
T
What is the one letter abbreviation for tryptophan?
W
C has a side group of
Sulfur
D has a side group of
Acid
F has a side group of
Aromatic