EC 3.1.3

thumb|A ball and stick model of a phosphate anion

homodimeric protein enzyme of 86 kilodaltons

thumb|Crystallographic structure of calcineurin heterodimer composed of the catalytic (PPP3CA) and regulatory ([[PPP3R1) subunits.]]

InterPro Family

tumor suppressor gene

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thumb|Phytate A phytase (myo-inositol hexakisphosphate phosphohydrolase) is any type of phosphatase enzyme that catalyzes the hydrolysis of phytic acid (myo-inositol hexakisphosphate) – an indigestible, organic form of phosphorus that is found in many plant tissues, especially in grains and oil seeds – and releases a usable form of inorganic phosphorus. While phytases have been found to occur in animals, plants, fungi and bacteria, phytases have been most commonly detected and characterized from fungi.

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A nucleotidase is a hydrolytic enzyme that catalyzes the hydrolysis of a nucleotide into a nucleoside and a phosphate. A nucleotide + H2O = a nucleoside + phosphate For example, it converts adenosine monophosphate to adenosine, and guanosine monophosphate to guanosine.

Dual specificity phosphatase 6 (DUSP6) is a phosphatase enzyme that is encoded by the DUSP6 gene in humans.

Sedoheptulose-bisphosphatase (also sedoheptulose-1,7-bisphosphatase or SBPase, EC number 3.1.3.37; systematic name sedoheptulose-1,7-bisphosphate 1-phosphohydrolase) is an enzyme that catalyzes the removal of a phosphate group from sedoheptulose 1,7-bisphosphate to produce sedoheptulose 7-phosphate. SBPase is an example of a phosphatase, or, more generally, a hydrolase. This enzyme participates in the Calvin cycle.

Dual specificity protein phosphatase 10 is an enzyme that in humans is encoded by the DUSP10 gene.

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Inositol polyphosphate-4-phosphatase, type II, 105kDa is a protein that in humans is encoded by the INPP4B gene.

The enzyme 2-carboxy-D-arabinitol-1-phosphatase (CA1Pase; EC 3.1.3.63) catalyzes the reaction

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Tyrosine-protein phosphatase non-receptor type 11 (PTPN11) also known as protein-tyrosine phosphatase 1D (PTP-1D), Src homology region 2 domain-containing phosphatase-2 (SHP-2), or protein-tyrosine phosphatase 2C (PTP-2C) is an enzyme that in humans is encoded by the PTPN11 gene. PTPN11 is a protein tyrosine phosphatase (PTP) Shp2.

Dual specificity protein phosphatase 22 is an enzyme that in humans is encoded by the DUSP22 gene.

5′-nucleotidase (EC 3.1.3.5) is an enzyme which catalyzes the phosphorylytic cleavage of 5′-nucleotides. Although originally found in snake venom, the activity of 5′-nucleotidase has been described for bacteria and plant cells, and is widely distributed in vertebrate tissue. In mammalian cells the enzyme is predominantly located in the plasma membrane and its primary role is in the conversion of extracellular nucleotides (e.g. 5′-AMP), which are generally impermeable, to the corresponding nucleoside (e.g. adenosine) which can readily enter most cells. Consequently, the enzyme plays a key role

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The enzyme sucrose-phosphatase (EC 3.1.3.24) catalyzes the reaction

The enzyme histidinol-phosphatase (EC 3.1.3.15) catalyzes the reaction

Dual specificity protein phosphatase 5 is an enzyme that in humans is encoded by the DUSP5 gene.

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The enzyme trehalose-phosphatase (EC 3.1.3.12) catalyzes the reaction

Dual specificity protein phosphatase 1 is an enzyme that in humans is encoded by the DUSP1 gene.

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The enzyme sugar-phosphatase (EC 3.1.3.23) catalyzes the reaction

thumb|300px|MKP 2, homo24mer, Human.

The enzyme 3′-nucleotidase (EC 3.1.3.6) the reaction

Dual specificity protein phosphatase 19 is an enzyme that in humans is encoded by the DUSP19 gene.

Dual specificity protein phosphatase 3 is an enzyme that in humans is encoded by the DUSP3 gene.

The enzyme glucose-1-phosphatase (EC 3.1.3.10) catalyzes the reaction

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Dual specificity protein phosphatase 7 is an enzyme that in humans is encoded by the DUSP7 gene.