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Literature summary extracted from
- Pyruvate decarboxylase from Zea mays L. I. Purification and partial characterization from mature kernels and anaerobic treated roots (1985), Plant Physiol., 79, 242-247.
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.1.1.1 | KCl | - |
Zea mays |  |
| 4.1.1.1 | KH2PO4 | - |
Zea mays | |
| 4.1.1.1 | LiCl | - |
Zea mays | |
| 4.1.1.1 | NH4Cl | - |
Zea mays | |
| 4.1.1.1 | phosphate | poor inhibitor at high concentrations | Zea mays | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 4.1.1.1 | 0.5 | - |
pyruvate | mutant enzyme E50D | Zea mays | |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 4.1.1.1 | additional information | Zea mays | involved in a pathway in which NAD+ is regenerated under anaerobic conditions | ? | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 4.1.1.1 | Zea mays | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 4.1.1.1 | - |
Zea mays |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 4.1.1.1 | kernel | mature | Zea mays | - |
| 4.1.1.1 | root | anaerobically treated | Zea mays | - |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.1 | 41.6 | - |
roots | Zea mays |
| 4.1.1.1 | 96.4 | - |
kernel | Zea mays |
Storage Stability
| EC Number | Storage Stability | Organism |
|---|---|---|
| 4.1.1.1 | -20°C, 50% ethylene glycol, stable for 3 months | Zea mays |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 4.1.1.1 | additional information | involved in a pathway in which NAD+ is regenerated under anaerobic conditions | Zea mays | ? | - |
? | |
| 4.1.1.1 | pyruvate | - |
Zea mays | acetaldehyde + CO2 | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 4.1.1.1 | More | 2 protein bands, MW 61000 and MW 60000, detected by SDS-PAGE of enzyme from kernels. 3 protein bands: MW 59000, 58000 and 44000, detected by SDS-PAGE of the enzyme from roots | Zea mays |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.1 | 5.8 | - |
- |
Zea mays |
pH Range
| EC Number | pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.1 | additional information | - |
- |
Zea mays |
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Release 2023.1 (January 2023)
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