Sarsasapogenin 3β-glucosyltransferase
| sarsasapogenin 3-β-glucosyltransferase | |||||||||
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| Identifiers | |||||||||
| EC number | 2.4.1.193 | ||||||||
| CAS number | 117698-14-3 | ||||||||
| 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 | ||||||||
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| Search | |
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| PMC | articles |
| PubMed | articles |
| NCBI | proteins |
In enzymology, a sarsasapogenin 3β-glucosyltransferase (EC 2.4.1.193) is an enzyme that catalyzes the chemical reaction
Thus, the two substrates of this enzyme are UDP-glucose and sarsasapogenin [(3β,5β,25S)-spirostan-3-ol], whereas its two products are UDP and sarsasapogenin 3-O-β-D-glucoside.
The enzyme was first isolated from the root of the common asparagus (Asparagus officinalis). It is specific for substrate sterols with the uncommon 5β-configuration (sarsasapogenin and smilagenin), that is with a cis-linkage between the A and B rings of the steroid nucleus.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-glucose:(3β,5β,25S)-spirostan-3-ol 3-O-β-D-glucosyltransferase. This enzyme is also called uridine diphosphoglucose-sarsasapogenin glucosyltransferase.
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