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regulation of metabolism

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Title: regulation of metabolism


1
???? ????
regulation of metabolism
2
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  • ?????????
  • ?????????
  • ????

3
??? ?????????
4
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  • ???????????
  • ???????????
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  • ??????????
  • ???????????

5
(?)???????????
  • ???????
  • ?60??
  • ??25??
  • ?????
  • ?????????????
  • ??????????????
  • ??????????
  • ?????????????

6
(?)???????????
  1. ????????????????

?
??????
??CoA
3-????
??
??? ???
7
2???????????
?
a-??
(???)???
8
??????????????????
???
?
???????
R-5-P
??
9
(No Transcript)
10
?????????
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  • ???????
  • ???????

11
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  • ???????????????
  • ??????

????? ??????
12
?????????????????????
???? ?? ???? ??
??? ?? ????? ??????
?????? ?? ???? ???
???? ?? ???? ??????
????? ?? ????? ??????
??? ?? ???? ???
???ß-?? ??? ????? ???
????? ??? ??? ???
???? ??????
13
????????
A B C
D
E1 E2 E3
?????????????????
????? ?????
(????) (????)
14
(?)??????
1?????
allosteric regulation
2?????????
chemical modification
15
1?????
allosteric enzyme
????
???
E
????
E
???
??
???????
allosteric effector
???? ????
????? ?????
?????
16
???????
  • ??????????(?)????
  • ?????????,???????????
  • ??????????(?????????)
  • ?????????????????
  • ???

17
(No Transcript)
18
(No Transcript)
19
?????????
  • ?????????

???? (-)
????
??CoA ???CoA
??CoA
???
?????
?????
20
2?????????
(????)
???
?????
E
??
?????
??????
???????? ???????
?????????????
21
????????
ADP
ATP
????
E
E
Pi
??????
H2O
Pi
????????????????????
22
??????
?????D(Pi) ?????I
????
????b???????b??(Pi) 2
?????b??????a (Pi) 4
??????
23
????????????????
  • ???????
  • ????
  • ????????
  • ???,???

24
(?)??????
?????????????
  • ???????????
  • ?????????????
  • ?????????????
  • ??????

?????????,??????
25
????????????
???? ???? ????? ??????
???? ?????\???????? ??????? ?????? ?????? ???
???? ?? ???????? ??? ??? ?????
????? ???\?????????????? ???????? ??? ??????
26
??? ?????????
???????? (?????????????????)
????
???????????
???????
????
27
?????????
????????? (???????????) ??????????? (??????????)
?? ??
??
28
??????????????
  • cAMP-??????
  • Ca2-?????????
  • cGMP-??????
  • ?????????

29
(?)cAMP-??????
  • ????
  • ?? ??? G?? AC cAMP PKA
  • ???? ????????????

30
(????)
?? ?? G-?? AC cAMP
(????)
31
??????
??
ATP cAMP
PKA
32
????
  • ????
  • ?????????????,?????,???????????,?????????,??????
  • ???????
  • cAMP?cGMP?IP3?DG?Ca2
  • ????????????????

33
??????
G???G??
??????
?????????????
ATP?cAMP 2
?????D(Pi) ?????I
?????????
????b???????b??(Pi) 4
?????b??????a 6
??????
34
(?)Ca2-?????????
IP3?????Ca2?Ca2-CaM
??????Gp?PIP2?DAG?PKC

?(??)????????
35
(No Transcript)
36
(?)?????????
(tyrosine-protein kinase)
37
??????????????
?? ??????? ??????? ?DNA??????
??????
38
??

??
???
???????
??
mRNA
????
?????
????????????????
39
??? ????
????-??????????????????
????(-)
???(-)
?? ???
()
???
()
???
(-)
???(-)
40
???? ???????
41
??????????
  • ?????????
  • ??????????

42
???????(lac operon)????
5/
3/
P
O
Z Y A
I
5/
3/
????
??? ???? 3?????
CAP ???
??? ???
????
?????
43
(?)?????????
  • ?????
  • I??
  • ????
  • ?O????
  • ??RNA??????
  • ????????

44
  • ?????
  • ??(???)
  • ?????????
  • ???????O???
  • ????????
  • ????????

45
CAP-cAMP?????
CAP?cAMP???,??????????CAP??,????
  • ??????
  • ??????
  • ???????
  • ?????
  • cAMP?
  • cAMP-CAP????
  • ????RNA?????
  • ????????
  • ??????
  • cAMP?
  • cAMP-CAP????
  • ?????CAP????
  • ??RNA?????
  • ????????

(-)
()
46
cAMP-CAP?????
47
????????????????
  • ?????????????,CAP??????
  • ??CAP?,????????????,???
  • ????
  • ??CAP?????CAP??,RNA???????

48
????????????
(Trp operon)
5/
3/
O
P
E D C B A
R
5/
3/
????
??? ???? ??? 5?????
????
??3??
?????
49
  • ?????
  • ????????O??
  • ??????
  • ?????

50
  • ?????
  • ???(????)
  • ??????????
  • ?O????
  • ??????
  • ???????

?????????????,??????????
51
???????????????
  • Trp???E??????????
  • 1?2?3?4????
  • 2?3?3?4???????
  • 3?4????????????
  • ???

3 4
52
  • ??????
  • ??????????1?
  • ??????
  • ??2?3????
  • ??3?4???????
  • ??????
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