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3.6.1.1: inorganic diphosphatase

This is an abbreviated version!
For detailed information about inorganic diphosphatase, go to the full flat file.

Word Map on EC 3.6.1.1

Reaction

diphosphate
+
H2O
= 2 phosphate

Synonyms

acid PPase, AT727_13205, AtPPA1, AtPPsPase1, BT2127, CBS-PPase, CBS-PPase1, chloroplast inorganic pyrophosphatase 1, class A type PPA, cobalt-dependent inorganic pyrophosphatase, CPE2055, cytosolic PPase, D1C enzyme, dhPPase, E-PPase, EcPpA, EcPPiase, ehPPase, family I inorganic pyrophosphatase, family I PPase, family I pyrophosphatase, family II inorganic pyrophosphatase, family II PPase, H+-PPase, H+-pyrophosphatase, H+-translocating/vacuolar inorganic pyrophosphatase, Hpp1 protein, HVO_0729, HvPPA, hyperthermophilic inorganic pyrophosphatase, inorganic diphosphatase, inorganic PPase, inorganic pyrophosphatase, inorganic pyrophosphatase 1, inorganic pyrophosphatase-like protein, inorganic pyrophosphorylase, IPP, IPP1, Ipp1p, IPPase, LHPPase, M-PPase, manganese-dependent inorganic pyrophosphatase, MazG, MdPPa, membrane-integral inorganic pyrophosphatase, membrane-integral pyrophosphatase, miPPase, mitochondrial pyrophosphatase, Mn2+-bound canonical Family II PPase, More, Mtb PPiase, Mthe_0236, MtPPA1, MtPPiase, nucleotide-regulated pyrophosphatase, OVP1, p26.1a, p26.1b, PfPPase, PH1907, Pho-PPase, phospholysine phosphohistidine inorganic pyrophosphate phosphatase, phosphoprotein p26.1, PPA, PPA1, PpaC, PPase, PPase 1, PPase 2, ppase-1, PPase-2, PPase1, PPase2, PPase4, PPias, PPIase, proton-translocating inorganic pyrophosphatase, PYP-1, pyrophosphatase, pyrophosphatase, inorganic, Pyrophosphate phospho-hydrolase, pyrophosphate phospho-hydrolase 1, Pyrophosphate phosphohydrolase, Pyrophosphate-energized inorganic pyrophosphatase, RmPPase, Rv3628, siPPiase, soluble inorganic pyrophosphatase, soluble inorganic pyrophosphatase 2, soluble pyrophosphatase, soluble-type yeast PPase, sPPAse, ST2226, Tc-sPPase, TC004566, TcasGA2_TC004566, TgPPase, ThPP1, Tm-PPase, TM0913, V-PPase, vacuolar H(+)-PPase, vacuolar H(+)-pyrophosphatase, vacuolar H+-pyrophosphatase, vacuolar H+-translocating inorganic pyrophosphatase, vacuolar H+-translocating pyrophosphatase, vacuolar pyrophosphatase, VHP, VP1, VSP, VVPP1

ECTree

     3 Hydrolases
         3.6 Acting on acid anhydrides
             3.6.1 In phosphorus-containing anhydrides
                3.6.1.1 inorganic diphosphatase

Specific Activity

Specific Activity on EC 3.6.1.1 - inorganic diphosphatase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.0002
-
with triphosphate as substrate, at pH 9.1 and 37°C
0.00705
purified recombinant wild-type enzyme, pH 8.0, 37°C
0.0559
with diphosphate as substrate, at pH 9.5 and 95°C
0.5
-
liver enzyme in absence of NaCl
1.13
purified enzyme, pH 8.0, 80°C
101.6
pH 8.0, 90°C
13
-
crystallized enzyme
142
-
0.0025 mM substrate Mg-diphosphate, in presence of 0.0075 mM magnesium methylenediphosphonate
15
-
hexameric mutant E145Q
154.3
purified enzyme, pH 7.5
157
pH 8.0, 37°C, with Mg2+ as metal cofactor
1570
recombinant enzyme
1986
-
-
2.1
-
diphosphate
2.52
-
purified native enzyme
2170
-
purified p26.1b
2320
-
purified p26.1a
240
-
purified native enzyme
280
-
wild-type enzyme
360
-
0.015 mM substrate Mg-diphosphate, in presence or absence of 0.0075 mM magnesium methylenediphosphonate
415
-
purified native enzyme
592
-
-
600 - 700
-
-
650
-
pH 3.3, 70°C
672.2
-
pH 7.0, 70°C
7.75
-
lung stage L3 cultured for 5 days
726
pH 8.0, 37°C, with Mn2+ as metal cofactor
79.75
-
-
82
-
0.0025 mM substrate Mg-diphosphate, in absence of magnesium methylenediphosphonate
860
-
pH 7.0, 75°C
940
-
purified recombinant His-tagged enzyme
additional information