CATH Classification

Domain Context

CATH Clusters

Superfamily Vaccinia Virus protein VP39
Functional Family

Enzyme Information

2.1.1.196
Cobalt-precorrin-6B (C(15))-methyltransferase (decarboxylating).
based on mapping to UniProt Q57836
Cobalt-precorrin-6B + S-adenosyl-L-methionine = cobalt-precorrin-7 + S-adenosyl-L-homocysteine + CO(2).
-!- This enzyme catalyzes both methylation at C-15 and decarboxylation of the C-12 acetate side chain of cobalt-precorrin-6B, a step in the anaerobic (early cobalt insertion) adenosylcobalamin biosynthesis pathway.

UniProtKB Entries (1)

Q57836
CBIT_METJA
Methanocaldococcus jannaschii DSM 2661
Probable cobalt-precorrin-6B C(15)-methyltransferase (decarboxylating)

PDB Structure

PDB 2YXD
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Crystal Structure of Cobalamin biosynthesis precorrin 8W decarboxylase (cbiT)
Padmanabhan, B., Bessho, Y., Yokoyama, S.
To be Published