This is a family Precorrin-8X methylmutases also known as Precorrin isomerase, CbiC/CobH, EC:5.4.1.2. This enzyme catalyzes the reaction: Precorrin-8X <=> hydrogenobyrinate. This enzyme is part of the Cobalamin (vitamin B12) biosynthetic pathway and catalyzes a methyl rearrangement.
Jiyao W et al.(2023). "The conserved domain database in 2023.",