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Literature summary for 1.11.1.B6 extracted from
- Coordination environment changes of the vanadium in vanadium-dependent haloperoxidase enzymes (2018), J. Inorg. Biochem., 186, 267-279 .
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Vanadium | required vanadium as a transition metal ion that readily converts among oxidations states has the potential to support catalytic processes through oxidation/reduction chemistry as well as hydrolytic chemistry. Coordination chemistry of the vanadium(V) center in the different vanadium-haloperoxidases, overview | Zobellia galactanivorans |  |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| RH + Br- + H2O2 + H+ | Zobellia galactanivorans | - |
RBr + 2 H2O | - |
? | |
| RH + Br- + H2O2 + H+ | Zobellia galactanivorans CCUG 47099 | - |
RBr + 2 H2O | - |
? | |
| RH + Br- + H2O2 + H+ | Zobellia galactanivorans Dsij | - |
RBr + 2 H2O | - |
? | |
| RH + Br- + H2O2 + H+ | Zobellia galactanivorans DSM 12802 | - |
RBr + 2 H2O | - |
? | |
| RH + Br- + H2O2 + H+ | Zobellia galactanivorans CIP 106680 | - |
RBr + 2 H2O | - |
? | |
| RH + Br- + H2O2 + H+ | Zobellia galactanivorans NCIMB 13871 | - |
RBr + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | Zobellia galactanivorans | - |
RI + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | Zobellia galactanivorans CCUG 47099 | - |
RI + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | Zobellia galactanivorans Dsij | - |
RI + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | Zobellia galactanivorans DSM 12802 | - |
RI + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | Zobellia galactanivorans CIP 106680 | - |
RI + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | Zobellia galactanivorans NCIMB 13871 | - |
RI + 2 H2O | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Zobellia galactanivorans | G0LAH5 | - |
- |
| Zobellia galactanivorans CCUG 47099 | G0LAH5 | - |
- |
| Zobellia galactanivorans CIP 106680 | G0LAH5 | - |
- |
| Zobellia galactanivorans Dsij | G0LAH5 | - |
- |
| Zobellia galactanivorans DSM 12802 | G0LAH5 | - |
- |
| Zobellia galactanivorans NCIMB 13871 | G0LAH5 | - |
- |
Reaction
| Reaction | Comment | Organism | Reaction ID |
|---|---|---|---|
| RH + I- + H2O2 + H+ = RI + 2 H2O | the catalytic cycle imposes changes in the coordination geometry of the vanadium to accommodate the peroxidovanadium(V) intermediate in an environment of as a distorted square pyramidal geometry. During the catalytic cycle, this intermediate converts to a trigonal bipyramidal intermediate before losing the halogen and forming a tetrahedral vanadium-protein intermediate. The catalysis is facilitated by a proton-relay system supplied by the second sphere coordination environment, and the changes in the coordination environment of the vanadium(V) making this process unique among protein catalyzed processes. The active site is very tightly regulated with only minor changes in the coordination geometry. The coordination geometry in the protein structures deviates from that found for both small molecules crystallized in the absence of protein and the reported functional small molecule model compounds. The catalytic mechanism for oxidation of organic substrates catalyzed by haloperoxidases does not change the oxidation state of the vanadium(V) although the vanadium is present as protein bound intermediate with a coordination number altering from four to six | Zobellia galactanivorans |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | vanadium-dependent bromoperoxidases catalyze reactions involving peroxides and bromide or iodide ions | Zobellia galactanivorans | ? | - |
- |
|
| additional information | vanadium-dependent bromoperoxidases catalyze reactions involving peroxides and bromide or iodide ions | Zobellia galactanivorans CCUG 47099 | ? | - |
- |
|
| additional information | vanadium-dependent bromoperoxidases catalyze reactions involving peroxides and bromide or iodide ions | Zobellia galactanivorans Dsij | ? | - |
- |
|
| additional information | vanadium-dependent bromoperoxidases catalyze reactions involving peroxides and bromide or iodide ions | Zobellia galactanivorans DSM 12802 | ? | - |
- |
|
| additional information | vanadium-dependent bromoperoxidases catalyze reactions involving peroxides and bromide or iodide ions | Zobellia galactanivorans CIP 106680 | ? | - |
- |
|
| additional information | vanadium-dependent bromoperoxidases catalyze reactions involving peroxides and bromide or iodide ions | Zobellia galactanivorans NCIMB 13871 | ? | - |
- |
|
| RH + Br- + H2O2 + H+ | - |
Zobellia galactanivorans | RBr + 2 H2O | - |
? | |
| RH + Br- + H2O2 + H+ | - |
Zobellia galactanivorans CCUG 47099 | RBr + 2 H2O | - |
? | |
| RH + Br- + H2O2 + H+ | - |
Zobellia galactanivorans Dsij | RBr + 2 H2O | - |
? | |
| RH + Br- + H2O2 + H+ | - |
Zobellia galactanivorans DSM 12802 | RBr + 2 H2O | - |
? | |
| RH + Br- + H2O2 + H+ | - |
Zobellia galactanivorans CIP 106680 | RBr + 2 H2O | - |
? | |
| RH + Br- + H2O2 + H+ | - |
Zobellia galactanivorans NCIMB 13871 | RBr + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | - |
Zobellia galactanivorans | RI + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | - |
Zobellia galactanivorans CCUG 47099 | RI + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | - |
Zobellia galactanivorans Dsij | RI + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | - |
Zobellia galactanivorans DSM 12802 | RI + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | - |
Zobellia galactanivorans CIP 106680 | RI + 2 H2O | - |
? | |
| RH + I- + H2O2 + H+ | - |
Zobellia galactanivorans NCIMB 13871 | RI + 2 H2O | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| iodooperoxidase | - |
Zobellia galactanivorans |
| V-containing-haloperoxidase | - |
Zobellia galactanivorans |
| vanadium-dependent haloperoxidase | - |
Zobellia galactanivorans |
| vanadium-dependent iodoperoxidase | - |
Zobellia galactanivorans |
| zobellia_1262 | - |
Zobellia galactanivorans |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| vanadate cofactor | - |
Zobellia galactanivorans |
General Information
| General Information | Comment | Organism |
|---|---|---|
| evolution | vanadium-dependent haloperoxidases (VPXOs) are a class of enzymes that catalyze selective oxidation reactions for which vanadium is an essential cofactor converting halides to form halogenated organic products and water. These enzymes include chloroperoxidase and bromoperoxidase, which have very different protein sequences and sizes, but regardless the coordination environment of the active sites is constant. Coordination chemistry of the vanadium(V) center in the different vanadium-haloperoxidases, overview | Zobellia galactanivorans |
| additional information | structure of bound peroxidovanadium(V) in the active site of the vanadium-containing haloperoxidases, overview | Zobellia galactanivorans |
| physiological function | vanadium-dependent bromoperoxidases catalyze reactions involving peroxides and bromide or iodide ions | Zobellia galactanivorans |
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