Summary A-Level Biology- Protein Structure

Structureofprotein is

DifferentR group

- *-co
*
carboxylic acid
group
differentamino
OH Carboxyl group) acid
/
It b
a ↑
side chain/residual group
Amine
group variable group)



HH O H 0
S I 11 1 Il
2
N c 2 0H H N 2 -
-
- - -
-




I R ↓ N Isit
H10
(condensation
reaction)


H It

↓- - 11
0
0
ll



t
c -




I i ↑ it
peptide bond
DIPEPTIDE(twoamino acids
joined together by a
bond through a
peptide
condensation reaction)