Biochemistry
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Description
Spermidine is a polyamine involved in cellular metabolism that can be used to stimulate the enzyme, T7 rna polymerase, a type of RNA polymerase. [1]

Biochemical actions
- Inhibits neuronal nitric oxide synthase (nNOS).
- Binds and precipitates DNA.
- may be used for purification of DNA binding proteins.
- Stimulates T4 polynucleotide kinase activity.
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