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Literature summary for 2.4.1.17 extracted from
- The human UDP-glucuronosyltransferase UGT1A3 is highly selective towards N2 in the tetrazole ring of losartan, candesartan, and zolarsartan (2008), Biochem. Pharmacol., 76, 763-772.
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| microsome | - |
Homo sapiens | - |
- |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Mg2+ | - |
Homo sapiens |  |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| UDP-D-glucuronate + acceptor | Homo sapiens | - |
UDP + acceptor beta-D-glucuronoside | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Homo sapiens | - |
- |
- |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| liver | - |
Homo sapiens | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | regiospecific glucuronidation of sartans by different isozymes, overview | Homo sapiens | ? | - |
? | |
| UDP-D-glucuronate + acceptor | - |
Homo sapiens | UDP + acceptor beta-D-glucuronoside | - |
? | |
| UDP-D-glucuronate + candesartan | isozyme UGT1A3 exhibites a strong regioselectivity towards the N2 position of the tetrazole ring, also isozyme UGT2B7 glucuronidates candesartan at the tetrazole-N2 position, whereas isozymes UGT1A7, UGT1A8, UGT1A9, and UGT1A10 mainly yield candesartan O-glucuronide | Homo sapiens | UDP + candesartan beta-D-glucuronoside | - |
? | |
| UDP-D-glucuronate + losartan | no O-glucuronide is generated by any isozyme, while isozymes UGT1A1, UGT1A3, 1A10, UGT2B7, and UGT2B17 glucuronidate losartan at the tetrazole-N2, isozyme UGT1A10 also yields the respective N1-glucuronide, isozyme UGT1A3 exhibites a strong regioselectivity towards the N2 position of the tetrazole ring | Homo sapiens | UDP + losartan beta-D-glucuronoside | - |
? | |
| UDP-D-glucuronate + zolarsartan | isozyme UGT1A3 exhibites a strong regioselectivity towards the N2 position of the tetrazole ring, the tetrazole-N1 of this aglycone is accessible to other enzymes, including isozyme UGT1A5, zolarsartan O-glucuronide is mainly produced by isozyme UGT1A10 and isozyme UGT2B7 | Homo sapiens | UDP + zolarsartan beta-D-glucuronoside | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| UDP-glucuronosyltransferase | - |
Homo sapiens |
| UGT1A3 | - |
Homo sapiens |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 37 | - |
assay at | Homo sapiens |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.4 | - |
assay at | Homo sapiens |
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Release 2023.1 (January 2023)
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