Metabolic network

VK055_0501

pyridoxamine 5'-phosphate oxidase

Back to protein
Network centrality 0
Chokepoint Yes

Attractive metabolic target: catalyzes a consuming chokepoint reaction in Vitamin B6 metabolism, no isoenzyme backup detected.

Pathways

KEGG pathways this gene's reaction(s) belong to.

Vitamin B6 metabolism

Network

Two-hop reaction neighborhood around this protein; pathway boxes use one primary KEGG route per reaction when several mappings exist. Click a pathway box to open its full route map.

Reaction catalyzed by this protein Chokepoint reaction Neighbor reaction Pathway grouping (2+ reactions sharing a route) Connected reaction (arrow shows direction, when known) ⇌ Reversible reaction (double arrow) Cross-pathway connection

Selected reaction

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Isoenzymes
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Catalyzed reactions

Every reaction this gene catalyzes, with substrates/products and isoenzyme backup.

PMPOXI-RXN

EC 1.4.3.5 · PMPOXI-RXN · not reversible · no isoenzyme backup

dioxygen H2O pyridoxamine 5'-phosphate
→
ammonium hydrogen peroxide pyridoxal 5'-phosphate

PNPOXI-RXN

EC 1.4.3.5 · PNPOXI-RXN · not reversible · no isoenzyme backup

Consuming chokepoint
dioxygen pyridoxine 5'-phosphate
→
hydrogen peroxide pyridoxal 5'-phosphate

Imported from KpATCC43816.sbml · 2026-07-09