Protoporphyrinogen IX

Protoporphyrinogen IX
Identifiers

CAS Number	7412-77-3^Y
MeSH	protoporphyrinogen
PubChem	20849104
Properties
Chemical formula	C₃₄H₃₈N₄O₄
Molar mass	566.7 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is ^YN ?)
Infobox references

Protoporphyrinogen IX is a precursor for protoporphyrin IX. See Porphyrins for the pathway and more information.

See also

Protoporphyrinogen oxidase

Types of tetrapyrroles

Bilanes
(Linear)

Phytobilins

Phytochromobilin

Phycobilins	Phycoerythrobilin Phycocyanobilin Phycourobilin Phycoviolobilin

Protoporphyrins	Protoporphyrin IX Heme (b, c, a, o) Zinc protoporphyrin Magnesium protoporphyrin

Phytoporphyrins	Chlorophyll c Protochlorophyllide

Reduced
porphyrins

Porphyrinogens	Uroporphyrinogen (I, III) Coproporphyrinogen (I, III) Protoporphyrinogen IX

Chlorins	Chlorophyllide (a, b) Chlorophyll (a, b) Phaeophytin (a, b) Bacteriochlorophyll c

Bacteriochlorins	Bacteriochlorophyll a

Isobacteriochlorins	Siroheme Sirohydrochlorin

Corphins	Cofactor F430

Heme metabolic intermediates

Porphyrin biosynthesis

early mitochondrial:	D-Aminolevulinic acid

cytosolic:	Porphobilinogen Hydroxymethylbilane Uroporphyrinogen III Coproporphyrinogen III

late mitochondrial:	Protoporphyrinogen IX Protoporphyrin IX

Heme degradation
and excretion

Breakdown of heme

spleen:	Heme → Biliverdin → Bilirubin

blood:	Bilirubin+Albumin

liver:	Bilirubin diglucuronide

Intestine, excretion in feces

Kidney, excretion in urine

Urobilin

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