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Information on EC 7.2.2.14 - P-type Mg2+ transporter

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EC Tree
IUBMB Comments
A P-type ATPase that undergoes covalent phosphorylation during the transport cycle. A bacterial enzyme that imports Mg2+ with, rather than against, the Mg2+ electrochemical gradient. The enzyme is also involved in Ni2+ import.
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This record set is specific for:
UNIPROT: P43553
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Word Map
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
Synonyms
mg2+ atpase, mg2+-dependent atpase, magt1, slc41a1, oligomycin-sensitive atpase, magnesium transporter, cnnm4, mg2+ transporter, mrs2p, magnesium transporter subtype 1, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
adenosine 5'-triphosphatase
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adenosine triphosphatase
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ATP hydrolase
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ATP phosphohydrolase
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ATPase
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complex V (mitochondrial electron transport)
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additional information
the enzyme belongs to the 2-TM-GxN family of Mg2+ transporters
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
hydrolysis of phosphoric ester
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transmembrane transport
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SYSTEMATIC NAME
IUBMB Comments
ATP phosphohydrolase (P-type, Mg2+-importing)
A P-type ATPase that undergoes covalent phosphorylation during the transport cycle. A bacterial enzyme that imports Mg2+ with, rather than against, the Mg2+ electrochemical gradient. The enzyme is also involved in Ni2+ import.
CAS REGISTRY NUMBER
COMMENTARY hide
9000-83-3
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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
ATP + H2O + Mg2+/out
ADP + phosphate + Mg2+/in
show the reaction diagram
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?
NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
ATP + H2O + Mg2+/out
ADP + phosphate + Mg2+/in
show the reaction diagram
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?
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
Al3+
inhibits Alr1p and Alr2p
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
Alr2p; gene alr2
SwissProt
Manually annotated by BRENDA team
LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY hide
GeneOntology No.
LITERATURE
SOURCE
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
ALR2_YEAST
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
858
0
96684
Swiss-Prot
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SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
oligomer
Alr2p forms homooligomers, but heteroligomers when overexpressed
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Papp-Wallace, K.M.; Maguire, M.E.
Bacterial homologs of eukaryotic membrane proteins: the 2-TM-GxN family of Mg2+ transporters (Review)
Mol. Membr. Biol.
24
351-356
2007
Escherichia coli, Salmonella enterica subsp. enterica serovar Typhimurium, Saccharomyces cerevisiae (P43553), Saccharomyces cerevisiae (Q02783), Saccharomyces cerevisiae (Q08269), Thermotoga maritima (Q9WZ31)
Manually annotated by BRENDA team