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Literature summary for 7.1.3.1 extracted from

  • Seufferheld, M.; Lea, C.R.; Vieira, M.; Oldfield, E.; Docampo, R.
    The H(+)-pyrophosphatase of Rhodospirillum rubrum is predominantly located in polyphosphate-rich acidocalcisomes (2004), J. Biol. Chem., 279, 51193-51202.
    View publication on PubMed
Search for more literature for 7.1.3.1

Localization

Localization Comment Organism GeneOntology No. Textmining
acidocalcisome polyphosphate-rich, predominant location, co-localization of the H+-PPase with diphosphate and short and long chain polyphosphates, light-dependent, overview Rhodospirillum rubrum 20022
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chromatophore membrane
-
 Rhodospirillum rubrum
-
-
membrane no plasma membane Rhodospirillum rubrum 16020
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
diphosphate + H2O + H+[side 1] Rhodospirillum rubrum the enzyme has two distinct roles depending on its location acting as an intracellular proton pump in acidocalcisomes but in diphosphate synthesis in the chromatophore membranes 2 phosphate + H+[side 2]
-
 r
diphosphate + H2O + H+[side 1] Rhodospirillum rubrum Esmarch / Molisch / ATCC 17031 the enzyme has two distinct roles depending on its location acting as an intracellular proton pump in acidocalcisomes but in diphosphate synthesis in the chromatophore membranes 2 phosphate + H+[side 2]
-
 r

Organism

Organism UniProt Comment Textmining
Rhodospirillum rubrum
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-
-
Rhodospirillum rubrum Esmarch / Molisch / ATCC 17031
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partially by purification of acidocalcisomes using iodixanol gradients Rhodospirillum rubrum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
diphosphate + H2O + H+[side 1]
-
 Rhodospirillum rubrum 2 phosphate + H+[side 2]
-
 r
diphosphate + H2O + H+[side 1] the enzyme has two distinct roles depending on its location acting as an intracellular proton pump in acidocalcisomes but in diphosphate synthesis in the chromatophore membranes Rhodospirillum rubrum 2 phosphate + H+[side 2]
-
 r
diphosphate + H2O + H+[side 1]
-
 Rhodospirillum rubrum Esmarch / Molisch / ATCC 17031 2 phosphate + H+[side 2]
-
 r
diphosphate + H2O + H+[side 1] the enzyme has two distinct roles depending on its location acting as an intracellular proton pump in acidocalcisomes but in diphosphate synthesis in the chromatophore membranes Rhodospirillum rubrum Esmarch / Molisch / ATCC 17031 2 phosphate + H+[side 2]
-
 r
additional information the enzyme is a membrane H+-pump Rhodospirillum rubrum ?
-
 ?
additional information the enzyme is a membrane H+-pump Rhodospirillum rubrum Esmarch / Molisch / ATCC 17031 ?
-
 ?

Synonyms

Synonyms Comment Organism
H(+)-pyrophosphatase
-
 Rhodospirillum rubrum
H+-PPase
-
 Rhodospirillum rubrum