GO TERM SUMMARY
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Name: |
deoxyhypusine synthase activity |
Acc: |
GO:0034038 |
Aspect: |
Molecular Function |
Desc: |
Catalysis of the reaction: eIF5A-precursor]-lysine + spermidine = [eIF5A-precursor]-deoxyhypusine + propane-1,3-diamine. Four sub-reactions have been identified,in which the intermediates remain tightly associated with the enzyme: spermidine + NAD+ = dehydrospermidine + NADH; dehydrospermidine + [enzyme]-lysine = N-(4-aminobutylidene)-[enzyme]-lysine + propane-1,3-diamine; N-(4-aminobutylidene)-[enzyme]-lysine + [eIF5A-precursor]-lysine = N-(4-aminobutylidene)-[eIF5A-precursor]-lysine + [enzyme]-lysine; N-(4-aminobutylidene)-[eIF5A-precursor]-lysine + NADH + H+ = [eIF5A-precursor]-deoxyhypusine + NAD+. |
Synonyms:
- spermidine:eIF5A-lysine 4-aminobutyltransferase (propane-1,3-diamine-forming) activity
- eIF-5A-deoxyhypusine synthase activity
- eIF5A-precursor-lysine:spermidine 4-aminobutyltransferase (propane-1,3-diamine-forming) activity
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INTERACTIVE GO GRAPH
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