


Z 
H-NH,, Ho 
Plants/or ‘ H-NH : 
Microorganisms of ‘OH 2 Phe TOOT eases 
0 DH 
Cystathionine 
§ | H gee oe ee © oe coe oo ke | = 
CH,-SH 9 TO os voles we cenespeeteeeere ee scene CH,—SH 
H, | S= ("2 yn sapere 
| + NC-NH,, ” CH-NH, i it 
H-NH,, \cH o” ‘pu 
| S| 3 y Nat 
C YN g 
“™ 0 OH Cysteine 
aS) 
3 
2 
ae ice 
H oN- eo c S 
Le NH pr 
oS 7S A ‘\ 2 nt 
HO ° oh, CH, CH, “CH, CH. tn, 
Plants i id H 
DDC-Alanine g- (DDC) -a-amino- w- (DDC) -a-keto- 
butyric Acid butyric. Acid 
Non 
Enzymatic 
i ee -cF)., CH, i 
N-C-—S-CH 
a“ 2 
S=C CH \ 
\J 2 ae cuon) , 
pot] 
Thiazolidine-2-thione- 
4-carboxylic Acid HOH 
1-(Dimethyldithiocarbamoy1)- 
B-glucoside 
187 
0 OH 
Serine Homoserine 
Homocysteine 
CH S-——— CH 
@ teaches | 
Sq oa 
