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Literature summary 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

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
7.1.3.1 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
-
7.1.3.1 chromatophore membrane
-
 Rhodospirillum rubrum
-
-
7.1.3.1 membrane no plasma membane Rhodospirillum rubrum 16020
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
7.1.3.1 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
7.1.3.1 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

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

Purification (Commentary)

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

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
7.1.3.1 diphosphate + H2O + H+[side 1]
-
 Rhodospirillum rubrum 2 phosphate + H+[side 2]
-
 r
7.1.3.1 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
7.1.3.1 diphosphate + H2O + H+[side 1]
-
 Rhodospirillum rubrum Esmarch / Molisch / ATCC 17031 2 phosphate + H+[side 2]
-
 r
7.1.3.1 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
7.1.3.1 additional information the enzyme is a membrane H+-pump Rhodospirillum rubrum ?
-
 ?
7.1.3.1 additional information the enzyme is a membrane H+-pump Rhodospirillum rubrum Esmarch / Molisch / ATCC 17031 ?
-
 ?

Synonyms

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