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| Description | Phosphate-dependent purine nucleoside phosphorylase that catalyzes the reversible phosphorolysis of 5′-fluoro-5′-deoxyadenosine (5′-FDA), yielding adenine and a fluorinated sugar phosphate. This reaction constitutes a key step in microbial organofluorine biosynthesis, channeling fluorinated intermediates toward fluoroacetate and 4-fluorothreonine production. Gene inactivation abolishes downstream fluorometabolite formation, supporting its essential role in pathway flux. |
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| Substrate 1 |
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| Product 1 |
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| Accession ID | MITE0000460 |
| Entry Status | Status: active |
| Enzyme Name | FlB |
| Enzyme Description | Purine nucleoside phosphorylase |
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| Comment | Specialized purine nucleoside phosphorylase acting on 5′-fluoro-5′-deoxyadenosine; essential for generating fluorinated intermediates in organofluorine biosynthesis (FAc and 4-FT) |
| Enzyme Visualization (AlphaFold-predicted) |
Version 1 (2026-05-06)
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