Route finder

Choose a starting molecule. Every recorded reaction is walked — forwards through irreversible steps, both ways through reversible ones — and everything reachable is listed. Pick a destination for the full route with the enzyme on each hop.

Source metabolite

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Hops

Carriers

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Carriers are excluded by default. ATP and NAD+ take part in most reactions, so including them makes everything reachable from everything and the answer stops meaning anything.

Reachable from 24,25-(OH)2-D / calcitroic acid

Distance is the shortest recorded chain of enzymatic steps, not a claim about flux.

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Nothing reachable within 6 hops

Raise the hop limit or widen the pathway restriction.

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