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Samenvatting Biokatalyse H9-H15

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Gemaakte samenvatting in goodnotes van H9-H15 van het vak biokatalyse en bio-energetica

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Uploaded on
February 27, 2024
Number of pages
34
Written in
2022/2023
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Summary

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Hoofdstuk 9

, Glycolyse & Gluconeogenese
Glycolyse Katabool

1
glucose - 2
Pyruvate + 2 ATP

Heeft geen 02 nodig

Gluconeogenese Anabool

Glucose
2
pyruvate + 2 ATP -




fermentatie-omzetten zonder 02
Vormt ethanol Lit Pyruvate


Complete O2 nodig
Oxidatie
Vormt CO2 + H20 mit pyruvate

Opname glucose Via Glut -12 transmembraan eiwit
in de cel
- .
Glucose bindt
. Ec kant
2 Sluit ,
IC kant opent
. Glucose komt
3
vrij in de cel

Actief darm mier verlies tegen
nodig in en om
glucose te
gaan
transport glucose ↳ via feces/4rine
via Sodium Glucose transporter ( = SGLT)


1
.
Na binet op Carrier
.
2 Hierdoor ontstaat plek om glucose te binden
.
3
Binding glucose Verandering Formatte van de Carrier
-




4. Mat komt veij 12 in Cytosol ,
Glucose volgt
5 .
Nat wordt actief weer uit de Cel gehaald


Hexokinase Start de glycolyse ,
induced-fit model
Houdt glucose in de Cel door Glucose te fosforyleeen 0 .
1 U
. . ATP


In de lever
glucokinase IPv hexokinase niet gevoelig voor inhibitie gluc-6-p


sigmoidaal

, Glycolyse Fase 1
Voorbereidings
fase
Transferaserat

houdt glucose in de cel-
en gebruikt 1 ATP
Isomerase (5)




Transferase (2 7)
.




commited Step-




Hexokingse Houdt
glucose in cel door
fosforylatie 0 .
1. . v .

ATP


- giucoknase
-Herokinase
N


Transferase (2 7) ↳
-
.




allostorische Inhibitie door gluct-P -[glucose]


phosphogluco
Komerase




-




phosphofruct-Commited
O Step
(PfKt
I




Kindse
verbruikt 1 ATP

Transferase (2 70
.




wordt geinhibeerd door ATP

, Glycolyse Fase 2
b - 2 x 3C FRUC-1 6-Bip
1




IDHAP I
Tim
(GAp)




Glycolyse Fase 3




(
energ ie H ATP wordt gevormd
producerende
Fase 2 NADH H,
wordt

gevormd -
Geeft P
door
Dan ADD
I
+ D




2x






, p-glycerate
mutase
Mechanisme





Tautomerisatie

pyRUVate
fot
1 f -
E

- 4
T
x ro &



/
! ↳ ⑦
H Keto
end



Het lot van

Pyruvate


fermentatie-



ethanol
Fermentatie




pyruvate decarboxylase-lyase ,
co-factor is Thiamine pyrophosphate (Tpp)

Alcohol dehydrogenase
=
Oxidoreductase



*
NAD gevormd wordt terug gebruikt door 3-GAP dehydrogenase


Metto Reactie ColizO6 + 2 ADD + 2 pi
-
2 CH3CH2OH +
2 CO2 + 2 ATR



Duale Rol - .

ATP generatie
glycolyse
2 .
productie bouwstenen

, lactate /




fermentatie




Genotype IDH :
Hu :
lage km voor pyruvate
M Muscle wordt geinhibeerd door
pyruvate
· =



*
·
H =
Heart (en lever) in aerobe weefsels :
Veel NAD


IDH
Phenotype :
Mu :
Hoge kn voor
pyruvate
Tetrameer
·
In anderobe weefsels : Veel NADH
My MyH M2H2 MH3 H4 niet geinhibeerd door
·

,
, ,
,
pyruvate


Galactose Galactose



ADP
ATP
+
Pi
*
Galactokinase




Galactose-p
VDP-glucose
& ⑭ actse




in ease
*

UDP-Galactose
+
glucose 1 P -
-




4DP-galactose
4 epimerase
-




*

HDD-Glucose


fructose
lever
in Fructose
de lever
in



en vet

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