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Literature summary for 2.4.1.242 extracted from
- A 56-kDa protein is a novel granule-bound starch synthase existing in the pericarps, aleurone layers, and embryos of immature seed in diploid wheat (Triticum monococcum L.) (1998), Planta, 207, 125-132.
Protein Variants
| Protein Variants | Comment | Organism |
|---|---|---|
| additional information | construction of a waxy mutant which shows no enzyme activity in endosperm but in all other seed tissues | Triticum monococcum |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 56000 | - |
x * 56000, the 56-kDa protein, SDS-PAGE, x * 59500, the waxy protein, SDS-PAGE | Triticum monococcum |
| 59500 | - |
x * 56000, the 56-kDa protein, SDS-PAGE, x * 59500, the waxy protein, SDS-PAGE | Triticum monococcum |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ADP-glucose + (1,4-alpha-glucosyl)n | Triticum monococcum | - |
ADP + (1,4-alpha-glucosyl)n+1 | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Triticum monococcum | - |
diploid | - |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| aleurone layer | - |
Triticum monococcum | - |
| embryo | of immature seed | Triticum monococcum | - |
| additional information | the 2 isozymes, the 56-kDa protein and the waxy protein, are expressed in different seed tissues and at different stages of seed development, overview, enzyme is bound to starch granules | Triticum monococcum | - |
| pericarp | - |
Triticum monococcum | - |
| seed | immature | Triticum monococcum | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ADP-glucose + (1,4-alpha-glucosyl)n | - |
Triticum monococcum | ADP + (1,4-alpha-glucosyl)n+1 | - |
? | |
| ADP-glucose + (1,4-alpha-glucosyl)n | i.e. starch | Triticum monococcum | ADP + (1,4-alpha-glucosyl)n+1 | - |
? | |
| additional information | the 56-kDa protein is an isozyme of the waxy protein in diploid wheat and belongs to the GBSSI family | Triticum monococcum | ? | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| ? | x * 56000, the 56-kDa protein, SDS-PAGE, x * 59500, the waxy protein, SDS-PAGE | Triticum monococcum |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| GBSS | - |
Triticum monococcum |
| granule-bound starch synthase | - |
Triticum monococcum |
| More | the 56-kDa protein is an isozyme of the waxy protein in diploid wheat and belongs to the GBSSI family | Triticum monococcum |
| NDPglucose-starch glucosyltransferase | - |
Triticum monococcum |
| Waxy protein | - |
Triticum monococcum |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 35 | - |
assay at | Triticum monococcum |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 8.5 | - |
assay at | Triticum monococcum |
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Release 2023.1 (January 2023)
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