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Literature summary for 1.8.5.9 extracted from
- Roles of cysteine residues of DsbB in its activity to reoxidize DsbA, the protein disulphide bond catalyst of Escherichia coli (1996), Genes Cells, 1, 201-208 .
Protein Variants
| Protein Variants | Comment | Organism |
|---|---|---|
| C104S | inactive | Escherichia coli |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| membrane | - |
Escherichia coli | 16020 | - |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | Escherichia coli | the enzyme is initially oxidized (state A). Disulfide interaction between Cys30 of DsbA protein and Cys104 of the enzyme then triggers the recycling reaction of DsbA (state B), allowing over all electron transfer from newly secreted protein via DsbA (Cys30/Cys33) to the enzyme in which intra-chain electron flow from Cys104/Cys130 (state C) to Cys41/Cys44 (state D) may occur | ? | - |
- |
 |
| [DsbA protein] with reduced L-cysteine residues + a quinone | Escherichia coli | overall reaction | [DsbA protein] carrying a disulfide bond + a quinol | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Escherichia coli | - |
- |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | the enzyme is initially oxidized (state A). Disulfide interaction between Cys30 of DsbA protein and Cys104 of the enzyme then triggers the recycling reaction of DsbA (state B), allowing over all electron transfer from newly secreted protein via DsbA (Cys30/Cys33) to the enzyme in which intra-chain electron flow from Cys104/Cys130 (state C) to Cys41/Cys44 (state D) may occur | Escherichia coli | ? | - |
- |
|
| [DsbA protein] with reduced L-cysteine residues + a quinone | overall reaction | Escherichia coli | [DsbA protein] carrying a disulfide bond + a quinol | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| ? | x * 22000, SDS-PAGE | Escherichia coli |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| DsbB | - |
Escherichia coli |
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