Precorrin-8X methylmutase

precorrin-8X methylmutase

Crystal structure of precorrin-8x methyl mutase with bound hydrogenobyrinate. PDB 1i1h[1]
Identifiers
EC number 5.4.99.61
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / EGO

In enzymology, a precorrin-8X methylmutase (EC 5.4.99.61) is an enzyme that catalyzes the chemical reaction

precorrin-8X hydrogenobyrinate

Hence, this enzyme has one substrate, precorrin 8X, and one product, hydrogenobyrinate.

This enzyme belongs to the family of isomerases, specifically those intramolecular transferases transferring other groups. The systematic name of this enzyme class is precorrin-8X 11,12-methylmutase. Other names in common use include precorrin isomerase, and hydrogenobyrinic acid-binding protein. This enzyme participates in porphyrin and chlorophyll metabolism.

Structural studies

As of late 2007, 6 structures have been solved for this class of enzymes, with PDB accession codes 1F2V, 1I1H, 1OU0, 1V9C, 2AFR, and 2AFV.

References

  1. Shipman, L. W.; Li, D.; Roessner, C. A.; Scott, A. I.; Sacchettini, J. C. (2001). "Crystal structure of precorrin-8x methyl mutase". Structure (London, England : 1993). 9 (7): 587–596. doi:10.1016/s0969-2126(01)00618-9. PMID 11470433.
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