2.4.1.21: starch synthase (glycosyl-transferring)

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For detailed information about starch synthase (glycosyl-transferring), go to the full flat file.

Reaction

Synonyms

adenosine diphosphate glucose-starch glucosyltransferase, adenosine diphosphoglucose-starch glucosyltransferase, ADP-glucose starch synthase, ADP-glucose synthase, ADP-glucose transglucosylase, ADP-glucose-starch glucosyltransferase, ADP-glucose:1,4-alpha-D-glucan 4-alpha-D-glucosyltransferase, ADPG starch synthetase, ADPG-starch glucosyltransferase, AtSS2, AtSSII, AtSSIII, CkGBSS, dull1, GBSS, GBSSI, glgA, glucosyltransferase, adenosine diphosphoglucose-starch, glycogen synthase, glycogen/starch synthase, granule bound starch synthase, granule-bound starch synthase, granule-bound starch synthase I, GSase, OsGBSSII, OsSSIII-1, OsSSIII-2, OsSSIV-1, OsSSIV-2, PvSSI, PvSSII-1, SBD123, SS1, SS4, SSI, SSII, SSII(a), SSIIa, SSIIc, SSIII, SSIII(a), SSIII-1, SSIII-B, SSIII-C, SSIIIa, SSIIIb, SSIV, SSS, SSSI, SSV, starch synthase, starch synthase 1, starch synthase 4, starch synthase I, starch synthase II, starch synthase IIa, starch synthase III, starch synthase III-1, starch synthase III-2, starch synthase III-B, starch synthase IIIa, starch synthase IV, starch synthase IV-1, starch synthase IV-2, starch synthetase, starch-synthase III, starch/glycogen synthase, TaSSIVb, TVAG_258220

ECTree

     2 Transferases

         2.4 Glycosyltransferases

             2.4.1 Hexosyltransferases

                2.4.1.21 starch synthase (glycosyl-transferring)

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Results	in table
36	Activating Compound
22499	AA Sequence
7	Application
1	CAS Registry Number
45	Cloned(Commentary)
5	Crystallization (Commentary)
6	Expression
21	General Information
42	Inhibitors
2	Ki Value [mM]
96	KM Value [mM]
53	Localization
18	Metals/Ions
28	Molecular Weight [Da]
44	Natural Substrates/ Products (Substrates)
1	Organic Solvent Stability
207	Organism
7	Pathway
26	PDB ID
12	pH Optimum
2	pH Range
1	pH Stability
1	pI Value
4	Posttranslational Modification
36	Protein Variants
44	Purification (Commentary)
1	Reaction
1	Reaction Type
146	Reference
83	Source Tissue
22	Specific Activity [micromol/min/mg]
12	Storage Stability
213	Substrates and Products (Substrate)
38	Subunits
188	Synonyms
1	Systematic Name
9	Temperature Optimum [°C]
1	Temperature Range [°C]
18	Temperature Stability [°C]
4	Turnover Number [1/s]

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Application on EC 2.4.1.21 - starch synthase (glycosyl-transferring)

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APPLICATION

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

agriculture

4 entries

biofuel production

Arabidopsis thaliana

-

transgenic Arabidopsis plants overexpressing the starch binding domains of starch synthase III have an advantage for the production of bioethanol in terms of saccharification of essential substrates

758024

food industry

Oryza sativa

-

resistant starch (RS) has the potential to protect against diabetes and reduce the incidence of diarrhea, inflammatory bowel disease, colon cancer, and chronic renal and hepatic diseases. Soluble starch synthase SSIIIa has a critical role in synthesizing resistant starch in rice

758222

nutrition

Oryza sativa

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analysis of the natural variations of isoforms granule-bound starch synthase GBSSI, starch synthases SSI and SSIIa and their effect on starch properties and eating quality of rice. Rice with the combinantion of the Wx allele for GBSSI and the alk allele for SSIIa has soft and sticky texture both after cooking and after storage. Variation of SSI alleles hardly affects the eating quality

706340

agriculture

Zea mays

-

activity of starch synthase in the grains follows single-peak curves with the peaks on 24-31 days after pollination. The accumulation rates of starch and its components reach their peaks on 25-32 days after pollination. There is significant positive correlation between adenosine diphosphoglucose diphosphorylase, soluble starch synthase, and starch granule-bound synthase activities

706738

agriculture

Triticum aestivum

-

in a cultivar with a high starch content, the starch accumulation rate and activities of sucrose synthase, ADP-glucose dihosphorylase, soluble starch synthase, granule-bound starch synthase, and starch branching enzyme are significantly higher than those in a cultivar with a low starch content. Plants of the cultivar with a high starch content maintain the higher starch accumulation rate and greater activities of related enzymes during mid and late grain filling stages

706742

agriculture

Triticum aestivum

-

incubation of excised developing grains of ambient grown plants at 15°C, 25°C, 35°C and 45°C. Elevated temperature does not lead to a decrease in grain growth. High temperature tolerance is associated with higher catalytic efficiency of soluble starch synthase at elevated temperature and higher content of HSP 100

702521

agriculture

Triticum aestivum

-

incubation of excised developing grains of ambient grown plants at 15°C, 25°C, 35°C and 45°C. Elevated temperature leads to a significant decrease in grain growth

702521