2.5.1.16: spermidine synthase

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For detailed information about spermidine synthase, go to the full flat file.

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

     2 Transferases

         2.5 Transferring alkyl or aryl groups, other than methyl groups

             2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)

                2.5.1.16 spermidine synthase

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Results	in table
2	Activating Compound
21026	AA Sequence
5	Application
1	CAS Registry Number
40	Cloned(Commentary)
4	Cofactor
14	Crystallization (Commentary)
93	Disease/ Diagnostics
2	Expression
30	General Information
14	General Stability
10	IC50 Value
198	Inhibitors
6	kcat/KM [mM/s]
10	Ki Value [mM]
51	KM Value [mM]
6	Localization
13	Metals/Ions
53	Molecular Weight [Da]
73	Natural Substrates/ Products (Substrates)
650	Organism
7	Pathway
196	PDB ID
27	pH Optimum
5	pH Range
4	pH Stability
2	pI Value
24	Protein Variants
42	Purification (Commentary)
15	Reaction
1	Reaction Type
125	Reference
118	Source Tissue
18	Specific Activity [micromol/min/mg]
18	Storage Stability
206	Substrates and Products (Substrate)
41	Subunits
80	Synonyms
1	Systematic Name
37	Temperature Optimum [°C]
4	Temperature Range [°C]
8	Temperature Stability [°C]
22	Turnover Number [1/s]

Activating Compound

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Activating Compound on EC 2.5.1.16 - spermidine synthase

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ACTIVATING COMPOUND

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

IMAGE

glycerol

Citrus sinensis

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expression of SPDS is barely detectable in the callus grown on callus growth medium (composed of basal Murashige and Tucker salts), which shows steady increase on embryo-inducing medium including 2% glycerol until the end of culture at day 40. Expression level of the gene is induced by glycerol from globular embryos to cotyledonary-stage embryos to a different extent, suggesting that the polyamine biosynthetic genes are related to somatic embryogenesis

693859

additional information

Solanum tuberosum

-

increased enzyme activity after wounding of the potatoe

700713

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