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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

General Stability

General Stability on EC 3.6.1.11 - exopolyphosphatase

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GENERAL STABILITY
ORGANISM
UNIPROT
LITERATURE
addition of 0.05 mM CoSO4 does not increase the enzyme stability independent of the presence of Triton X-100
-
loss of activity after dialysis
-
Mg2+ stabilizes h-prune against inactivation during storage
-
more than 90% loss of activity after freezing in liquid nitrogen and subsequent thawing
-
repeated freezing and thawing destroys activity