Protoporphyrin IX

Protoporphyrin IX

Molecular formula	C₃₄H₃₄N₄O₄
Molar mass	562.658 g/mol
CAS number	[553-12-8]
PubChem	4971
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

In the metabolism of porphyrin, protoporphyrin IX is created by the enzyme protoporphyrinogen oxidase, and the enzyme ferrochelatase converts it into heme.

Heme synthesis - note that some reactions occur in the cytoplasm and some in the mitochondrion (yellow)

v • d • e Types of tetrapyrroles

Bilanes:	Bilirubin \| Biliverdin \| Urobilinogen \| Urobilin

Chlorophylls:	Protochlorophyllide \| Chlorophyllide

Corrinoids:	Cyanocobalamin

Phycobilins:	Phycoerythrobilin \| Phycocyanobilin \| Phycourobilin \| Phycoviolobilin

Porphyrins:	Uroporphyrinogen (I, III) \| Coproporphyrinogen (I, III) \| Protoporphyrinogen IX \| Protoporphyrin (IX) \| Zinc protoporphyrin

Major families of biochemicals Peptides \| Amino acids \| Nucleic acids \| Carbohydrates \| Nucleotide sugars \| Lipids \| Terpenes \| Carotenoids \| Tetrapyrroles \| Enzyme cofactors \| Steroids \| Flavonoids \| Alkaloids \| Polyketides \| Glycosides

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