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Literature summary for 1.12.98.4 extracted from
- Investigations on microbial sulfur respiration (1988), Arch. Microbiol., 150, 72-77.
No PubMed abstract available
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| cysteamine | increase of activity | Sulfurospirillum deleyianum |  |
| cysteine | increase of activity | Sulfurospirillum deleyianum | |
| GSH | reduced form of glutathione, increase of activity | Sulfurospirillum deleyianum | |
| additional information | all organisms except Spirillum sp. require an external hydrogenase for assay | Sulfurospirillum deleyianum |
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| 2-(n-heptyl)-4-hydroxyquinoline N-oxide | strong in manometric assay | Sulfurospirillum deleyianum | |
| cystamine | - |
Sulfurospirillum deleyianum | |
| cystine | - |
Sulfurospirillum deleyianum | |
| GSSG | 90% loss of activity | Sulfurospirillum deleyianum | |
| additional information | no inhibition by rotenone, dicoumarol, antimycin A, NaN3, sodium dithiocarbamate | Sulfurospirillum deleyianum | |
| p-chloromercuribenzene sulfonic acid | - |
Sulfurospirillum deleyianum | |
| Quinacrine | strong | Sulfurospirillum deleyianum | |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| cytoplasm | - |
Desulfomicrobium baculatum | 5737 | - |
| cytoplasm | - |
Desulfuromonas acetoxidans | 5737 | - |
| cytoplasm | - |
Desulfuromonas acetexigens | 5737 | - |
| cytoplasm | - |
Desulfuromusa succinoxidans | 5737 | - |
| cytoplasm | no activity | Sulfurospirillum deleyianum | 5737 | - |
| membrane | - |
Desulfomicrobium baculatum | 16020 | - |
| membrane | - |
Desulfuromonas acetoxidans | 16020 | - |
| membrane | - |
Sulfurospirillum deleyianum | 16020 | - |
| membrane | - |
Desulfuromonas acetexigens | 16020 | - |
| membrane | - |
Desulfuromusa succinoxidans | 16020 | - |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| sulfur | Sulfurospirillum deleyianum | constitutive membrane-bound enzyme | H2S | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Desulfomicrobium baculatum | - |
- |
- |
| Desulfomicrobium baculatum 9974 | - |
- |
- |
| Desulfuromonas acetexigens | - |
- |
- |
| Desulfuromonas acetexigens 2873 | - |
- |
- |
| Desulfuromonas acetoxidans | - |
- |
- |
| Desulfuromonas acetoxidans 5071 | - |
- |
- |
| Desulfuromusa succinoxidans | - |
strain Gö20 | - |
| Desulfuromusa succinoxidans Go20 | - |
strain Gö20 | - |
| Sulfurospirillum deleyianum | - |
formerly called Spirillum sp. strain 5175, enzyme formed during growth with sulfur, DSM 6946 | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| partial, solubilized with Triton X-100 | Sulfurospirillum deleyianum |
Reaction
| Reaction | Comment | Organism | Reaction ID |
|---|---|---|---|
| H2 + (sulfide)n = hydrogen sulfide + (sulfide)n-1 | sulfur can be reduced with hydrogen as donor in the presence of hydrogenase | Sulfurospirillum deleyianum |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 0.026 | - |
crude extract | Desulfuromonas acetoxidans |
| 0.04 | - |
crude extract | Desulfuromusa succinoxidans |
| 0.043 | - |
crude extract | Desulfomicrobium baculatum |
| 0.07 | - |
crude extract | Desulfuromonas acetexigens |
| 0.27 | - |
crude extract | Sulfurospirillum deleyianum |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | sulfur can be reduced by photochemical reduction in the presence of phenosafranin | Sulfurospirillum deleyianum | ? | - |
? | |
| additional information | no substrates are sulfite, thiosulfate, tetrathionate | Sulfurospirillum deleyianum | ? | - |
? | |
| organic trisulfides + electron donor | i.e. (R-S-S-S-R)2, R: CH2CH2NH2 | Sulfurospirillum deleyianum | H2S + oxidized electron donor | - |
? | |
| organic trisulfides + electron donor | R: CH2CH(COOH)NH2, CH2CH2SO3Na or CH2CH2COONa, reduced at a rate comparable to elemental sulfur | Sulfurospirillum deleyianum | H2S + oxidized electron donor | - |
? | |
| polysulfide + electron donor | comparable to colloidal sulfur | Sulfurospirillum deleyianum | H2S + oxidized electron donor | - |
? | |
| sulfur | constitutive membrane-bound enzyme | Sulfurospirillum deleyianum | H2S | - |
? | |
| sulfur + electron donor | - |
Desulfomicrobium baculatum | H2S + oxidized electron donor | - |
? | |
| sulfur + electron donor | - |
Desulfuromonas acetoxidans | H2S + oxidized electron donor | - |
? | |
| sulfur + electron donor | - |
Desulfuromonas acetexigens | H2S + oxidized electron donor | - |
? | |
| sulfur + electron donor | - |
Desulfuromusa succinoxidans | H2S + oxidized electron donor | - |
? | |
| sulfur + electron donor | elemental: best results with colloidal Janek sulfur, hydrophilic sulfur yields generally lower activities | Sulfurospirillum deleyianum | H2S + oxidized electron donor | - |
? | |
| sulfur + electron donor | - |
Desulfuromonas acetexigens 2873 | H2S + oxidized electron donor | - |
? | |
| sulfur + electron donor | - |
Desulfomicrobium baculatum 9974 | H2S + oxidized electron donor | - |
? | |
| sulfur + electron donor | - |
Desulfuromonas acetoxidans 5071 | H2S + oxidized electron donor | - |
? | |
| sulfur + electron donor | - |
Desulfuromusa succinoxidans Go20 | H2S + oxidized electron donor | - |
? | |
| tetrasulfide + electron donor | comparable to colloidal sulfur | Sulfurospirillum deleyianum | H2S + oxidized electron donor | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 8.7 | 8.9 | - |
Sulfurospirillum deleyianum |
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