Uroporphyrinogen III

Uroporphyrinogen III

Identifiers
CAS number	[1976-85-8]
PubChem	1179
MeSH	Uroporphyrinogen+III
Properties
Molecular formula	C₄₀H₄₄N₄O₁₆
Molar mass	836.795 g/mol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

In the synthesis of porphyrin, Uroporphyrinogen III is created by the enzyme Uroporphyrinogen III synthase, and the enzyme Uroporphyrinogen III decarboxylase converts it into coproporphyrinogen III.

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