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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

KM Value

KM Value on EC 3.6.1.11 - exopolyphosphatase

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.025 - 0.133
(25R)-3beta-hydroxycholest-5-en-27-oate
0.264 - 0.597
(phosphate)13-18
-
0.0011 - 0.0028
(phosphate)15
0.0069
(phosphate)25
-
2 mM Mg2+ as cofactor, 0.1 M Tris-HCl, pH 7.2, 0.05 mM EGTA
-
0.0002 - 0.213
(phosphate)3
0.019 - 0.041
(phosphate)4
0.0022
(phosphate)45
-
2 mM Mg2+ as cofactor, 0.1 M Tris-HCl, pH 7.2, 0.05 mM EGTA
-
0.0007 - 0.0036
(phosphate)65
-
0.0173
(polyphosphate)130
pH 6.8, 37°C
-
0.0059
(polyphosphate)14
pH 6.8, 37°C
-
0.0121
(polyphosphate)60
pH 6.8, 37°C
-
0.0035 - 1343
(Polyphosphate)n
0.1
3'-AMP
+/- 0.01
0.37
3'-CMP
+/- 0.08
0.32
5'-AMP
+/- 0.04
0.28
5'-dGMP
+/- 0.04
0.26
5'-GMP
+/- 0.05
0.028 - 0.08
adenosine 5'-tetraphosphate
0.1
adenosine-5'-tetraphosphate
-
-
0.0465
ADP
pH 7.4, 37°C, recombinant enzyme
0.0781
ATP
pH 7.4, 37°C, recombinant enzyme
0.0033
cAMP
pH 7.2, 30°C, recombinant enzyme
0.012 - 54.5
guanosine 5'-tetraphosphate
0.08
guanosine-5'-tetraphosphate
-
-
2.49
p-nitrophenyl phosphate
+/- 0.4
0.0272
pentasodium triphosphate
in 50 mM HEPES, pH 7.8, 0.05 mM EGTA,1 mM MgCl2, at 30°C
0.0039 - 0.0238
polyP10
0.000024
polyP100
-
-
0.011 - 0.093
polyP15
0.0012 - 0.0024
polyP208
0.00016
polyP25
-
-
0.000004
polyP250
-
-
0.0013
polyP33-36
-
-
-
0.00006
polyP50
-
-
0.00005
polyP500
-
-
0.033
polyP9-10
-
-
-
0.0035 - 12
Polyphosphate
75
polyphosphate 15
-
-
-
3.5
polyphosphate 208
-
-
-
1100
polyphosphate 3
-
-
-
0.3315
polyphosphate glass type 15
-
recombinant enzyme, pH 7.5, 30°C
-
0.01103 - 0.02083
polyphosphate25
0.7244
polyphosphate3
-
recombinant enzyme, pH 7.5, 30°C
-
0.00714 - 0.0236
polyphosphate45
-
0.0822 - 0.2005
polyphosphate60
-
0.00329 - 0.02517
polyphosphate65
-
0.1256 - 0.1494
polyphosphate700
-
0.0013 - 0.03067
polyphosphate75
-
0.0022
sodium phosphate glass type 15
-
in 50 mM Tris-HCl buffer (pH 7.2), at 28°C
-
0.11
Tetraphosphate
in 50 mM PIPES, pH 6.8 containing 25 mM KCl and 2 mM MgCl2
0.0002 - 0.058
Triphosphate
0.14 - 0.41
tripolyphosphate
additional information
additional information
-