Entry
Name
CTP-dependent riboflavin kinase;
Methanocaldococcus jannaschii Mj0056;
Mj0056
Class
Transferases;
Transferring phosphorus-containing groups;
Phosphotransferases with an alcohol group as acceptor
BRITE hierarchy
Sysname
CTP:riboflavin 5'-phosphotransferase
Reaction(IUBMB)
CTP + riboflavin = CDP + FMN [RN:
R08574 ]
Reaction(KEGG)
Substrate
Product
Comment
This archaeal enzyme differs from EC
2.7.1.26 , riboflavin kinase, in using CTP as the donor nucleotide. UTP, but not ATP or GTP, can also act as a phosphate donor but it is at least an order of magnitude less efficient than CTP.
History
EC 2.7.1.161 created 2008
Pathway
Orthology
K07732 riboflavin kinase, archaea type
Genes
NAY : HYG81_04890 HYG81_06660
TVO : TVG0510159(TVG0510159)
LOKI : Lokiarch_26640(ribK)
» show all
Taxonomy
Reference
Authors
Ammelburg M, Hartmann MD, Djuranovic S, Alva V, Koretke KK, Martin J, Sauer G, Truffault V, Zeth K, Lupas AN, Coles M.
Title
A CTP-dependent archaeal riboflavin kinase forms a bridge in the evolution of cradle-loop barrels.
Journal
Sequence
Other DBs
ExPASy - ENZYME nomenclature database: 2.7.1.161