Lipid-phosphate phosphatase

Identifiers
EC no.| 3.1.3.76
Databases
IntEnz| IntEnz view
BRENDA| BRENDA entry
ExPASy| NiceZyme view
KEGG| KEGG entry
MetaCyc| metabolic pathway
PRIAM| profile
PDB structures| RCSB PDB PDBe PDBsum
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PMC| articles
PubMed| articles
NCBI| proteins

The enzyme lipid-phosphate phosphatase[1][2][3][4] (EC 3.1.3.76) catalyzes the reaction

(9S,10S)-10-hydroxy-9-(phosphonooxy)octadecanoate + H2O  ⇌ {\displaystyle \rightleftharpoons } (9S,10S)-9,10-dihydroxyoctadecanoate + phosphate

This enzyme belongs to the family of hydrolases, specifically those acting on phosphoric monoester bonds. The systematic name is (9S,10S)-10-hydroxy-9-(phosphonooxy)octadecanoate phosphohydrolase. Other names in common use include hydroxy fatty acid phosphatase, dihydroxy fatty acid phosphatase, hydroxy lipid phosphatase, sEH (ambiguous), and soluble epoxide hydrolase (ambiguous).

## See also

[edit]

* Epoxide hydrolase 2

## References

[edit]

1. ^ * Newman JW, Morisseau C, Harris TR, Hammock BD (2003). "The soluble epoxide hydrolase encoded by EPXH2 is a bifunctional enzyme with novel lipid phosphate phosphatase activity". Proc. Natl. Acad. Sci. U.S.A. 100 (4): 1558–63\. Bibcode:2003PNAS..100.1558N. doi:10.1073/pnas.0437724100. PMC 149871. PMID 12574510.
2. ^ Oesch F, Arand M (2003). "The N-terminal domain of mammalian soluble epoxide hydrolase is a phosphatase". Proc. Natl. Acad. Sci. U.S.A. 100 (4): 1552–7\. Bibcode:2003PNAS..100.1552C. doi:10.1073/pnas.0437829100. PMC 149870. PMID 12574508.
3. ^ Newman JW, Morisseau C, Harris TR, Hammock BD (2003). "The soluble epoxide hydrolase encoded by EPXH2 is a bifunctional enzyme with novel lipid phosphate phosphatase activity". Proc. Natl. Acad. Sci. U.S.A. 100 (4): 1558–63\. Bibcode:2003PNAS..100.1558N. doi:10.1073/pnas.0437724100. PMC 149871. PMID 12574510.
4. ^ Oesch F, Arand M (2003). "The N-terminal domain of mammalian soluble epoxide hydrolase is a phosphatase". Proc. Natl. Acad. Sci. U.S.A. 100 (4): 1552–7\. Bibcode:2003PNAS..100.1552C. doi:10.1073/pnas.0437829100. PMC 149870. PMID 12574508.

* Morisseau C, Hammock BD (2005). "Epoxide hydrolases: mechanisms, inhibitor designs, and biological roles". Annu. Rev. Pharmacol. Toxicol. 45: 311–33\. doi:10.1146/annurev.pharmtox.45.120403.095920. PMID 15822179.
* Tran KL, Aronov PA, Tanaka H, Newman JW, Hammock BD, Morisseau C (2005). "Lipid sulfates and sulfonates are allosteric competitive inhibitors of the N-terminal phosphatase activity of the mammalian soluble epoxide hydrolase". Biochemistry. 44 (36): 12179–87\. doi:10.1021/bi050842g. PMC 1473036. PMID 16142916.
* Newman JW, Morisseau C, Hammock BD (2005). "Epoxide hydrolases: their roles and interactions with lipid metabolism". Prog. Lipid Res. 44 (1): 1–51\. doi:10.1016/j.plipres.2004.10.001. PMID 15748653.
* Srivastava PK, Sharma VK, Kalonia DS, Grant DF (2004). "Polymorphisms in human soluble epoxide hydrolase: effects on enzyme activity, enzyme stability, and quaternary structure". Arch. Biochem. Biophys. 427 (2): 164–9\. doi:10.1016/j.abb.2004.05.003. PMID 15196990.
* Gomez GA, Morisseau C, Hammock BD, Christianson DW (2004). "Structure of human epoxide hydrolase reveals mechanistic inferences on bifunctional catalysis in epoxide and phosphate ester hydrolysis". Biochemistry. 43 (16): 4716–23\. doi:10.1021/bi036189j. PMID 15096040.

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Hydrolase: esterases (EC 3.1)

3.1.1: Carboxylic
ester hydrolases|

* Cholinesterase
* Acetylcholinesterase
* Butyrylcholinesterase
* Pectinesterase
* 6-phosphogluconolactonase
* PAF acetylhydrolase

* Lipase
* Bile salt-dependent
* Gastric/Lingual
* Pancreatic
* Lysosomal
* Hormone-sensitive
* Endothelial
* Hepatic
* Lipoprotein
* Monoacylglycerol
* Diacylglycerol

* Phospholipase
* A1
* A2
* B

* Cutinase
* PETase

3.1.2: Thioesterase|

* Palmitoyl protein thioesterase
* Ubiquitin carboxy-terminal hydrolase L1
* 4-hydroxybenzoyl-CoA thioesterase

3.1.3: Phosphatase|

* Alkaline phosphatase
* ALPI
* ALPL
* ALPP
* Acid phosphatase (Prostatic)/Tartrate-resistant acid phosphatase/Purple acid phosphatases
* Nucleotidase
* Glucose 6-phosphatase
* Fructose 1,6-bisphosphatase
* Calcineurin
* Protein phosphatase
* PP2A
* OCRL
* Pyruvate dehydrogenase phosphatase
* Fructose 6-P,2-kinase:fructose 2,6-bisphosphatase
* PTEN
* Phytase
* Beta-propeller phytase
* Inositol-phosphate phosphatase
* IMPA1, IMPA2, IMPA3
* Protein phosphatase: Protein tyrosine phosphatase
* Protein serine/threonine phosphatase
* Dual-specificity phosphatase

3.1.4:
Phosphodiesterase|

* Autotaxin
* Phospholipase
* C
* D
* Sphingomyelin phosphodiesterase
* 1
* PDE1
* PDE2
* PDE3
* PDE4A/PDE4B
* PDE5
* Lecithinase (Clostridium perfringens alpha toxin)
* Cyclic nucleotide phosphodiesterase

3.1.6: Sulfatase|

* arylsulfatase
* Arylsulfatase A
* Arylsulfatase B
* Arylsulfatase L
* Steroid sulfatase
* Galactosamine-6 sulfatase
* Iduronate-2-sulfatase
* N-acetylglucosamine-6-sulfatase

Nuclease (includes
deoxyribonuclease
and ribonuclease)|

| 3.1.11-16:
Exonuclease|

| Exodeoxyribonuclease|

* RecBCD

|

Exoribonuclease|

* Oligonucleotidase

3.1.21-31:
Endonuclease|

| Endodeoxyribonuclease|

* Deoxyribonuclease I
* Deoxyribonuclease II
* Deoxyribonuclease IV
* Restriction enzyme;see {{Restriction enzyme}}
* UvrABC endonuclease

|

Endoribonuclease|

* RNase III
* Drosha: Microprocessor complex
* Dicer: RNA-induced silencing complex
* RNase H
* 1
* 2A
* 2B
* 2C
* RNase P
* RNase A
* RNase Z
* RNase E
* 1
* 2
* 3
* 4/5
* RNase T1

either deoxy- or ribo-  |

* Nuclease S1
* Mung bean nuclease
* Serratia marcescens nuclease
* Micrococcal nuclease

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Enzymes

Activity|

* Active site
* Binding site
* Catalytic triad
* Oxyanion hole
* Enzyme promiscuity
* Diffusion-limited enzyme
* Cofactor
* Enzyme catalysis

Regulation|

* Allosteric regulation
* Cooperativity
* Enzyme inhibitor
* Enzyme activator

Classification|

* EC number
* Enzyme superfamily
* Enzyme family
* List of enzymes

Kinetics|

* Enzyme kinetics
* Eadie–Hofstee diagram
* Hanes–Woolf plot
* Lineweaver–Burk plot
* Michaelis–Menten kinetics

Types|

* EC1 Oxidoreductases (list)
* EC2 Transferases (list)
* EC3 Hydrolases (list)
* EC4 Lyases (list)
* EC5 Isomerases (list)
* EC6 Ligases (list)
* EC7 Translocases (list)

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* Biology

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