EXAM1_Amino Acids Flashcards Preview

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Flashcards in EXAM1_Amino Acids Deck (23)
1

How many NON-POLAR AA's?

9

2

How many POLAR UNCHARGED AA's?

6

3

How many POLAR CHARGED?

5 (2 acid, 3 basic)

4

G (GLY) Glycine

GLYCINE - NONPOLAR
- smallest (-H group)

5

A (ALA) Alanine

ALANINE- NON POLAR
- not chiral (ch3 group)

6

V (VAL) Valine

VALINE- NON POLAR
- branched

7

L (LEU) Leucine

LEUCINE- NON-POLAR
-branched

8

I (ILE) Isoleucine

ISOLEUCINE- NON-POLAR
-branched

9

M (MET) Methionine

METHIONINE- NON-POLAR
-has Sulfur (no disulfide bonding- only Cysteine)
-masked polar group

10

F (PHE) Phenylalanine

PHENYLALANINE- NON-POLAR
-aromatic ring

11

W (TRP) Tryptophan

TRYPTOPHAN- NON-POLAR
-aromatic ring
-Masked polar group

12

P (PRO) Proline

PROLINE- NON-POLAR
-imino acid (Most Restricted)

13

S (SER) Serine

SERINE- Polar
- OH GROUP

14

T (THR) Threonine

THREONINE- Polar
-OH GROUP

15

Y (TYR) TYrosine

TYROSINE- Polar
-OH GROUP

16

N (ASN) asparagine

ASPARAGINE- Polar
-Carboxamide (CONH2)

17

Q (GLN) Glutamine

GLUTAMINE- Polar
-Carboxamide (CONH2)

18

C (CYS) Cysteine

Cysteine- Polar
-SH group
-only AA to DISULFIDE BOND

19

D (ASP) Aspartate

ASPARTATE- Polar -Neg-CHARGED
-Acid COOH- group

20

E (GLU) Glutamate

GLUTAMATE- Polar -Neg-CHARGED
-Acid COOH- group

21

H (HIS) Histidine

HISTIDINE- Polar +Pos+Charged (but not?)
-Base
-charge between 0-1

22

R (ARG) Arginine

ARGININE- Polar +Pos+Charged
-Base

23

K (LYS) Lysine

LYSINE- Polar +Pos+Charged
-Base