Advices For Studying Organic Chemistry

OPO

O−

O

PO

O−

O

P

O−

O

OH

ATP

+

Nucleophile Leaving group

Triphosphategroup

+ −OPO

O−

O

PO

O−

O

P

O−

O

OH

S-Adenosylmethionine Triphosphate ion

N

N N

N

NH 2

Adenine =

O

OH OH

H H

Methionine H H

Adenine

O

OH OH

H H

H

CH 2

H

Adenine

CH 3

CH 3

CH 2

−O 2 C S

NH 3 +

NH 3 +

−O 2 CS

+

HOH 2 CH 2 C N CH 3

CH 3

HOH 2 CH 2 C N CH 3

CH 3

+

CH 3

Choline

+

2-(N,N-Dimethylamino)ethanol

O

OH OH

H H

H

CH 2

H

Adenine

S

CH 3

−O 2 C

NH 3 +

+

O

OH OH

H H

H

CH 2

H

Adenine

−O 2 C S

NH 3 +