Genetic code

1
Genetic Code
R.C. Gupta Professor and Head Dept. of
Biochemistry National Institute of Medical
Sciences Jaipur, India
2
An overview of protein synthesis

E M B - R C G
3
E M B - R C G
4
E M B - R C G
5
E M B - R C G
6

E M B - R C G
7

E M B - R C G
8
(No Transcript)
9
Genetic code

E M B - R C G
10
E M B - R C G
11
E M B - R C G
12
E M B - R C G
13
E M B - R C G
14
E M B - R C G
15
E M B - R C G
16
E M B - R C G
17
E M B - R C G
18
E M B - R C G
19
(No Transcript)
20
(No Transcript)
21
(No Transcript)
22
?
These observations showed that UAU
Tyrosine CUA Leucine UCU Serine
AUC Isoleucine
E M B - R C G
23
(No Transcript)
24
E M B - R C G
25
Codons on mRNA
26
First base at 5-end   Third base at 3-end
U
C
A
G
27
Codons having a special function
28
E M B - R C G
EMB-RCG
29
Degeneracy
E M B - R C G
EMB-RCG
30
E M B - R C G
EMB-RCG
31
(No Transcript)
32
Unambiguity
E M B - R C G
EMB-RCG
33
Universality
E M B - R C G
EMB-RCG
34
E M B - R C G
EMB-RCG
35

Absence of punctuations
E M B - R C G
EMB-RCG
36
(No Transcript)