2.5.1.16: spermidine synthase
This is an abbreviated version!
For detailed information about spermidine synthase, go to the full flat file.
Word Map on EC 2.5.1.16
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2.5.1.16
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polyamine
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spermine
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s-adenosylmethionine
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ornithine
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diamine
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samdc
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dicyclohexylamine
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alpha-difluoromethylornithine
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5'-methylthioadenosine
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cadaverine
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trypanothione
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adometdc
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agmatine
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4.1.1.50
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difluoromethylornithine
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medicine
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drug development
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methylthioadenosine
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thermospermine
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nutrition
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1,3-diaminopropane
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biotechnology
-
norspermidine
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multisubstrate
- 2.5.1.16
- polyamine
- spermine
- s-adenosylmethionine
- ornithine
- diamine
- samdc
- dicyclohexylamine
- alpha-difluoromethylornithine
- 5'-methylthioadenosine
- cadaverine
- trypanothione
- adometdc
- agmatine
-
4.1.1.50
- difluoromethylornithine
- medicine
- drug development
- methylthioadenosine
- thermospermine
- nutrition
- 1,3-diaminopropane
- biotechnology
- norspermidine
-
multisubstrate
Reaction
Synonyms
aminopropyltransferase, aminopropyltransferase spermidine synthase, AtSPDS1, AtSPDS2, MdSPDS1, PAPT, PgSPD, putrescine aminopropyltransferase, Spd synthase, SPDS, SPDS2, SPDSYN, spe-sdh, spe3, SpeE, spermidine synthase, spermidine synthase 1, spermidine synthetase, Spm synthase, SpSyn, Synpcc7942_0628, synthase, spermidine
ECTree
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pH Range
pH Range on EC 2.5.1.16 - spermidine synthase
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6.5 - 9.8
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about 60% of maximal activity at pH 6.5 and about 85% of maximal activity at pH 9.8
7 - 9
pH 7.0: about 65% of maximal activity, pH 9.0: about 75% of maximal activity
8.6 - 10.6
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about 65% of maximal activity at pH 8.6 and about 90% of maximal activity at pH 10.6
additional information
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rapidly inactivated at pH more than 9.0 in Gly-NaOH buffer. The activity of the enzyme is generally lower in Tris buffer than in Gly-NaOH buffer