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Literature summary for 3.2.1.68 extracted from
- Glycogen and starch debranching enzymes (1972), The Enzymes, 3rd Ed. (Boyer, P. D. , ed. ), 5, 191-234.
No PubMed abstract available
Application
| Application | Comment | Organism |
|---|---|---|
| analysis | - |
Pseudomonas amyloderamosa |
| analysis | structural determination of glycogen and starch components | Cytophaga sp. |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 94000 | - |
- |
Pseudomonas amyloderamosa |
| 120000 | - |
- |
Cytophaga sp. |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| starch + H2O | Pseudomonas amyloderamosa | - |
? | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Cytophaga sp. | - |
- |
- |
| Pseudomonas amyloderamosa | - |
gram-negative soil bacterium, strain SB-15 | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| amylopectin + H2O | waxy maize amylopectin, potato amylopectin, amylopectin beta-dextrin | Pseudomonas amyloderamosa | maltose + maltooligosaccharides | - |
? | |
| amylopectin + H2O | or the beta-limit dextrins, cleaves the branching points completely in vitro | Pseudomonas amyloderamosa | maltose + maltooligosaccharides | - |
? | |
| amylopectin phi-dextrin + H2O | substrate on which all 3 types of debranching enzymes act | Pseudomonas amyloderamosa | maltotetraose | - |
? | |
| glycogen + H2O | cleaves the branching points completely in vitro | Pseudomonas amyloderamosa | maltose + maltooligosaccharides | - |
? | |
| glycogen + H2O | oyster glycogen, glycogen beta-dextrin, rabbit liver glycogen | Pseudomonas amyloderamosa | maltose + maltooligosaccharides | - |
? | |
| glycogen + H2O | or the beta-limit dextrins | Pseudomonas amyloderamosa | maltose + maltooligosaccharides | - |
? | |
| additional information | direct debranching enzyme, attacks unmodified glycogen and/or amylopectin with hydrolysis of the 1,6-bond, smallest substrate is not known | Pseudomonas amyloderamosa | ? | - |
? | |
| starch + H2O | - |
Pseudomonas amyloderamosa | ? | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| Cythophaga isoamylase | - |
Cytophaga sp. |
| plant isoamylase | - |
- |
| yeast isoamylase | - |
- |
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