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Zusammenfassung Einflüsse auf die Enzymaktivität

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Einflüsse auf die Enzymaktivität: - Temperatur - pH-Wert - Substratkonzentration - Michaelis.Konstante - RGT-Regel

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Secondary school
Study
Gymnasium
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School year
1

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Uploaded on
January 13, 2023
Number of pages
1
Written in
2022/2023
Type
Summary

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CIMFLÜSSE OUF DIC CMZYITICIKTIVITÜT
] ? V7

relative Einheiten irgendwann Denaturierung




|
- → :
,

,



Reaktionsgeschwindigkeit
Schwingungen in den MOKKÜICM
} Mehr MOIEKÜK haben die
^
>



>
'
Anzahlu .
Intensitcit d. ZUSAMMENSTÓBE notwendige Aktivierungsenergie


www.iaesemymmaexi.is


Temperatura ptimum (enzymspezifisch )
Enzymaktivitoit
Denaturierung
# I Temperature in I
0 10 20 30 40 50



RGT -


Regel :




Erhciht sich die Temperatura m 10°C ,
soverdoppelt bisverdreifacht sich die Reaktionsgeschwindigkeit .




(Ab einer best . Temperaturnimmt die RG rapide ablwegen Denaturierung ) .
)


] ?
^ Enzymaktivitcit

pH -

Optimumlenrymspéifisch) :
abhcingig von Aminosciureresten
Pepsina" " " speicnel Amylase
-
> denn :
Vercinderung pH -

Wert =
Protonenaufnahme -


abqabe
=
Ladungscinderung der Aminosüurereste
>
LÜSUNG von Bindungen =
Ánderung d. rciuml .
Struktur




> PH -
Wert

1 2 3 4 5 6 7 g g yo ,, y




SUBS ? YO } O -



je nóner die substratkonzentration , desto nónerdie
wahrscheinlichkeit einer Bindung an ein ENZYM
Enzymaktivitcit weiteressubstrat
-

sind die Enryme v04 ausgelastet , Kann

Temperatura +10°C die Enzymaktivitcit nicht mehr erhcihen

>
süttigungskurve

Vmax
Enzymkonzentration ✗ 2
km Wert (Michaelis Konstanze)
- -




normal

vmax
Die substratkonrentration , bei der die Hcilfte der
2
ENZYMMOLEKÜK als Enzym Substrat KOMPKX
- -


vorliegen

substratkonzentration
km -
Wert
R60,36
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