CATH Classification

Domain Context

CATH Clusters

Superfamily 3.40.50.10090
Functional Family Uroporphyrinogen III synthase, isoform CRA_b

Enzyme Information

4.2.1.75
Uroporphyrinogen-III synthase.
based on mapping to UniProt P10746
Hydroxymethylbilane = uroporphyrinogen III + H(2)O.
-!- In the presence of EC 2.5.1.61, forms uroporphyrinogen III from porphobilinogen.

UniProtKB Entries (1)

P10746
HEM4_HUMAN
Homo sapiens
Uroporphyrinogen-III synthase

PDB Structure

PDB 1JR2
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Crystal structure of human uroporphyrinogen III synthase.
Mathews, M.A., Schubert, H.L., Whitby, F.G., Alexander, K.J., Schadick, K., Bergonia, H.A., Phillips, J.D., Hill, C.P.
EMBO J.