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3.6.1.11: exopolyphosphatase

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

Word Map on EC 3.6.1.11

Reaction

(Polyphosphate)n
+
H2O
=
(polyphosphate)n-1
+
phosphate

Synonyms

40 kD exopolyphosphatase, 40-kDa-exopolyphosphatase, acid phosphoanhydride phosphohydrolase, CJJ81176_0377, CJJ81176_1251, CT0099, CT1713, ecPpx, exopoly(P)ase, ExopolyPase, exopolyphosphatase, exopolyphosphatase 1, exopolyphosphatase 2, Gra-Pase, h-prune, high molecular mass exopolyphosphatase, high molecular weight exopolyphosphatase, high-molecular exopolyphosphatase, LmPPX, major cytosolic exopolyphosphatase PPX1, membrane-bound exopolyphosphatase, metaphosphatase, More, Msed_0981, MT0516, NMB1467, nuclear exopolyphosphatase, Nudix hydrolase, paPpx, phosphatase, exopoly-, polyphosphate phosphatase, polyphosphate phosphohydrolase, polyphosphate-phosphohydrolase, Ppn1, PPX, Ppx protein, Ppx/GppA phosphatase, PPX1, PPX2, PPXI, PPXMsed, Rv0496, Tb927.5.4350, Tb927.6.2670, TbDcp2, TbNH2, TbNH4, vacuolar exopolyphosphatase, YHR201C, Za10_0559, ZmPPX

ECTree

     3 Hydrolases
         3.6 Acting on acid anhydrides
             3.6.1 In phosphorus-containing anhydrides
                3.6.1.11 exopolyphosphatase

pH Range

pH Range on EC 3.6.1.11 - exopolyphosphatase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
10
about 90% of maximum activity
3.8 - 7.2
-
50% of maximal activity at pH 3.8 and at pH 7.2
4.6 - 5.4
-
pH 4.6: 81% of maximal activity, pH 5.4: 59% of maximal activity, exopolyphosphatase I
5.5 - 7.5
more than 30-40% of maximum activity
6 - 9
-
45-55% of maximal activity at pH 6.0 and at pH 9.0
6.2 - 8.4
-
pH 6.2: about 35% of maximal activity, pH 8.4: about 60% of maximal activity
7 - 9
-
pH 7.0: 5% of maximal activity, pH 9.0: 57% of maximal activity, exopolyphosphatase I