Information on EC 2.7.7.76 - molybdenum cofactor cytidylyltransferase

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The expected taxonomic range for this enzyme is: Escherichia coli

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EC NUMBER
COMMENTARY hide
2.7.7.76
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RECOMMENDED NAME
GeneOntology No.
molybdenum cofactor cytidylyltransferase
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REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
CTP + molybdenum cofactor = diphosphate + cytidylyl molybdenum cofactor
show the reaction diagram
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
nucleotidyl group transfer
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-
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PATHWAY
BRENDA Link
KEGG Link
MetaCyc Link
cytidylyl molybdenum cofactor biosynthesis
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molybdenum cofactor biosynthesis
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Folate biosynthesis
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SYSTEMATIC NAME
IUBMB Comments
CTP:molybdenum cofactor cytidylyltransferase
Catalyses the cytidylation of the molybdenum cofactor. This modification occurs only in prokaryotes. Divalent cations such as Mg2+ or Mn2+ are required for activity. ATP or GTP cannot replace CTP.
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ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
K-12
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Manually annotated by BRENDA team
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GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
metabolism
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molybdenum cofactor biosynthesis
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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
CTP + molybdenum cofactor
diphosphate + cytidylyl molybdenum cofactor
show the reaction diagram
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-
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?
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NATURAL SUBSTRATES
NATURAL PRODUCTS
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
CTP + molybdenum cofactor
diphosphate + cytidylyl molybdenum cofactor
show the reaction diagram
-
-
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?
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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Mg2+
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required
Mn2+
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required
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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.0034 - 0.0046
CTP
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TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.003 - 0.0062
CTP
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ENGINEERING
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
L79P/T81A/S82G
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increased Km for CTP, decreased kcat
T9L/A11G
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increased Km for CTP, decreased kcat
T9L/A11G/L79P/T81A/S82G
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increased Km for CTP, decreased kcat, low activity with GTP instead of CTP
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Show AA Sequence (165 entries)
Please use the Sequence Search for a specific query.
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LINKS TO OTHER DATABASES (specific for EC-Number 2.7.7.76)
ExplorEnz
ExPASy
KEGG
MetaCyc
SABIO-RK
NCBI: PubMed, Protein, Nucleotide, Structure, Genome, OMIM
IUBMB Enzyme Nomenclature
PROSITE Database of protein families and domains
InterPro (database of protein families, domains and functional sites)