Reaction: Unknown sepiapterin synthase transforms PTHP to sepiapterin
In an alternative salvage pathway for BH4 synthesis, dyspropterin (PTHP) may be transformed to sepiapterin, possibly non-enzymatically or by an unknown sepiapterin synthase enzyme (Crabtree & Channon 2011).
Reaction - small molecule participants:
sepiapterin [cytosol]
PTHP [cytosol]
Reactome.org reaction link: R-HSA-9693722
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Reaction input - small molecules:
dyspropterin
Reaction output - small molecules:
sepiapterin
Reactome.org link: R-HSA-9693722