Literature summary for 3.1.1.82 extracted from

Shioi, Y.; Watanabe, K.; Takamiya, K.i.
Enzymic conversion of pheophorbide a to the precursor of pyropheophorbide a in leaves of Chenopodium album (1996), Plant Cell Physiol., 37, 1143-1149.

No PubMed abstract available

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Inhibitors

Inhibitors	Comment	Organism	Structure
methanol	uncompetitive	Chenopodium album

KM Value [mM]

KM Value [mM]	KM Value Maximum [mM]	Substrate	Comment	Organism	Structure
0.0125	-	pheophorbide a	pH 7.0	Chenopodium album

Natural Substrates/ Products (Substrates)

Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
pheophorbide a + H2O	Chenopodium album	constitutively expressed	pyropheophorbide a + methanol + CO2	overall reaction	?

Organism

Organism	UniProt	Comment	Textmining
Chenopodium album	-	-	-

Source Tissue

Source Tissue	Comment	Organism	Textmining
leaf	-	Chenopodium album	-

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
pheophorbide a + H2O	constitutively expressed	Chenopodium album	pyropheophorbide a + methanol + CO2	overall reaction	?
pheophorbide a + H2O	the enzyme catalyzes the conversion of pheophorbide a to a precursor of pyropheophorbide a (C-132-carboxyl-pyropheophorbide a). The precursor is then decarboxylated non-enzymatically to yield pyropheophorbide	Chenopodium album	pyropheophorbide a + methanol + CO2	overall reaction	?

pH Optimum

pH Optimum Minimum	pH Optimum Maximum	Comment	Organism
7.5	-	-	Chenopodium album

Ki Value [mM]

Ki Value [mM]	Ki Value maximum [mM]	Inhibitor	Comment	Organism	Structure
71.6	-	methanol	-	Chenopodium album

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Release 2023.1 (January 2023)