C00' |
coo- | ||
car 1 |
CH, 1 |
COO' |
ch2 I |
CH2 | |
CH, |
CH2 1 |
CH, | |
H-C-NH,ł 1 |
-o -II o II |
C-0 + |
h-c-nh3 |
COO' |
coo- |
COO' |
C00- |
asparaginian |
a-ketoglutaran |
szczawiooctan |
glutaminian |
(b) | |||
C00- |
C00“ | ||
ch2 I |
ch2 I | ||
CH, | 3 |
CHj i ‘ |
ch3 i 3 |
ch2 I 1 |
H-C-NH, 1 3 |
+ -o -II o II |
+ o ll - o- II |
H-C-NH, |
C00- |
COO' |
coo- |
COO' |
alanina |
a-ketoglutaran |
pirogronian |
glutaminian |
rys. 4. Struktura (a) pirydoksyny (witaminy Be), (b) fosforanu pirydoksalu i (c) fosforanu pirydoksamy
fosforan
pirydoksalu
fosforan
pirydoksaminy
cocr
I
ch2
ch2 I ♦
H — C — NH3 COO"
glutaminian
Rys. 5. Sumaryczna reakcja transaminacji
cocr
I
ch2
ch2
I
c = o I
cocr
a-ketoglutaran
Hames i inni, Biochemia, 2002