Any feedback?
Literature summary for 3.2.1.68 extracted from
- Characterization of SU1 isoamylase, a determinant of storage starch structure in maize (1998), Plant Physiol., 117, 425-435.
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| gene su1, expressed in Escherichia coli, pAR4 | Zea mays |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 75000 | - |
SU1 | Zea mays |
| 79000 | - |
maize gene su1 recombinant polypeptide, expressed in E. coli | Zea mays |
| 141000 | - |
isoamylase II, gel filtration | Zea mays |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| starch + H2O | Zea mays | - |
? | - |
r |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Zea mays | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Zea mays |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| endosperm | - |
Zea mays | - |
| kernel | - |
Zea mays | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| amylopectin + H2O | or the beta-limit dextrins, cleaves the branching points completely in vitro | Zea mays | maltose + maltooligosaccharides | - |
r | |
| glycogen + H2O | cleaves the branching points completely in vitro | Zea mays | maltose + maltooligosaccharides | - |
r | |
| glycogen + H2O | or the beta-limit dextrins | Zea mays | maltose + maltooligosaccharides | - |
r | |
| phythoglycogen + H2O | - |
Zea mays | ? | - |
r | |
| starch + H2O | - |
Zea mays | ? | - |
r | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| alpha 1,6-glucan hydrolase | - |
- |
| isoamylase II | - |
Zea mays |
| maize Sugary-1 isoamylase | - |
Zea mays |
| SU1 isoamylase | - |
Zea mays |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 25 | 37 | - |
Zea mays |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6 | 7 | - |
Zea mays |
Use of this online version of BRENDA is free under the CC BY 4.0 license. See terms of use for full details.
Release 2023.1 (January 2023)
Legal
Curated at
Member of
