Nitrate Reductase Flashcards
1
Q
What is Nitrate reductase used for?
A
first step in denitrifying bacteria
2
Q
What is the balanced reaction for Nitrate reductase?
A
[NO3] + 2H + 2e –> [NO2] + H2O
3
Q
What does Nitrate reductase involve?
A
a chain of et cofactors to deliver e to Mo-bisMGD active site
4
Q
What is Nap?
A
soluble periplasmic nitrate reductase.
5
Q
What does Nap do?
A
accepts e from quinol via a membrane bound tetraheme cyt c.
6
Q
What is Nar?
A
membrane bound nitrate reductase
7
Q
What does Nar do?
A
Reduces [NO3] in cytoplasm resulting in MQ/MQH2 cycle which drives proton gradient for ATP synthesis
