Vitamin B12-transporting ATPase

Last updated
cobalamin-transporting ATPase
Identifiers
EC no. 3.6.3.33
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 / QuickGO
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PMC articles
PubMed articles
NCBI proteins

In enzymology, a vitamin B12-transporting ATPase (EC 3.6.3.33) is an enzyme that catalyzes the chemical reaction

ATP + H2O + vitamin B12out ADP + phosphate + vitamin B12in

The 3 substrates of this enzyme are ATP, H2O, and vitamin B12, whereas its 3 products are ADP, phosphate, and vitamin B12.

This enzyme belongs to the family of hydrolases, specifically those acting on acid anhydrides to catalyse transmembrane movement of substances. The systematic name of this enzyme class is ATP phosphohydrolase (vitamin B12-importing). This enzyme participates in abc transporters - general.

Structural studies

As of late 2007, two structures have been solved for this class of enzymes, with PDB accession codes 1L7V and 2QI9.

Related Research Articles

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References


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