EPSP synthase
5-enolpyruvylshikimate-3-phosphate (EPSP) synthase is an enzyme produced by plants and microorganisms. EPSPS catalyzes the chemical reaction:
- phosphoenolpyruvate (PEP) + 3-phospho shikimate (S3P) ⇌ phosphate + 5-enolpyruvylshikimate-3-phosphate (EPSP)
| EPSP Synthase (3-phosphoshikimate 1-carboxyvinyltransferase) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
EPSP synthase liganded with shikimate. | |||||||||
| Identifiers | |||||||||
| EC no. | 2.5.1.19 | ||||||||
| CAS no. | 9068-73-9 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
| EPSP synthase (3-phosphoshikimate 1-carboxyvinyltransferase) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Ribbon diagram of EPSP synthase | |||||||||
| Identifiers | |||||||||
| Symbol | EPSP_synthase | ||||||||
| Pfam | PF00275 | ||||||||
| InterPro | IPR001986 | ||||||||
| PROSITE | PDOC00097 | ||||||||
| SCOP2 | 1eps / SCOPe / SUPFAM | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are phosphoenolpyruvate (PEP) and 3-phosphoshikimate, whereas its two products are phosphate and 5-enolpyruvylshikimate-3-phosphate.
This enzyme is not present in the genomes of animals. It presents an attractive biological target for herbicides, such as glyphosate. A glyphosate-resistant version of this gene has been used in genetically modified crops.
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