EXAM1_Amino Acids Flashcards
1
Q
How many NON-POLAR AA’s?
A
9
2
Q
How many POLAR UNCHARGED AA’s?
A
6
3
Q
How many POLAR CHARGED?
A
5 (2 acid, 3 basic)
4
Q
G (GLY) Glycine
A
GLYCINE - NONPOLAR
- smallest (-H group)
5
Q
A (ALA) Alanine
A
ALANINE- NON POLAR
- not chiral (ch3 group)
6
Q
V (VAL) Valine
A
VALINE- NON POLAR
- branched
7
Q
L (LEU) Leucine
A
LEUCINE- NON-POLAR
-branched
8
Q
I (ILE) Isoleucine
A
ISOLEUCINE- NON-POLAR
-branched
9
Q
M (MET) Methionine
A
METHIONINE- NON-POLAR
- has Sulfur (no disulfide bonding- only Cysteine)
- masked polar group
10
Q
F (PHE) Phenylalanine
A
PHENYLALANINE- NON-POLAR
-aromatic ring
11
Q
W (TRP) Tryptophan
A
TRYPTOPHAN- NON-POLAR
- aromatic ring
- Masked polar group
12
Q
P (PRO) Proline
A
PROLINE- NON-POLAR
-imino acid (Most Restricted)
13
Q
S (SER) Serine
A
SERINE- Polar
- OH GROUP
14
Q
T (THR) Threonine
A
THREONINE- Polar
-OH GROUP
15
Q
Y (TYR) TYrosine
A
TYROSINE- Polar
-OH GROUP
