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Literature summary for 3.2.2.23 extracted from
- Reversible chemical step and rate-limiting enzyme regeneration in the reaction catalyzed by formamidopyrimidine-DNA glycosylase (2009), Biochemistry, 48, 11335-11343.
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| additional information | - |
additional information | kinetics, detailed overview | Escherichia coli |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | Escherichia coli | formamidopyrimidine-DNA N-glycosylase operates in the base excision repair pathway in bacteria by removing oxidized guanine bases from DNA and can also cleave the nascent or preformed abasic DNA by beta,delta-elimination. The cleaved product formation is initially reversible | ? | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Escherichia coli | - |
- |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | formamidopyrimidine-DNA N-glycosylase operates in the base excision repair pathway in bacteria by removing oxidized guanine bases from DNA and can also cleave the nascent or preformed abasic DNA by beta,delta-elimination. The cleaved product formation is initially reversible | Escherichia coli | ? | - |
? | |
| additional information | formamidopyrimidine-DNA N-glycosylase removes oxidized guanine bases from DNA. The cleaved product formation is initially reversible, it is followed by conformational changes in the enzyme and DNA molecules that represent the postchemical irreversible rate-limiting steps. The overall rate-limiting step of the enzymatic reaction seems to be the release of Fpg from its adduct with the 4-oxo-2-pentenal remnant of the deoxyribose moiety formed as a result of DNA strand cleavage by beta,delta-elmination, the initial chemical steps are fast and reversible. Catalytic mechanism, overview | Escherichia coli | ? | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| formamidopyrimidine-DNA glycosylase | - |
Escherichia coli |
| FPG | - |
Escherichia coli |
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