5'-nucleotidase

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5'-nucleotidase (EC 3.1.3.5, uridine 5'-nucleotidase, 5'-adenylic phosphatase, adenosine 5'-phosphatase, AMP phosphatase, adenosine monophosphatase, 5'-mononucleotidase, AMPase, UMPase, snake venom 5'-nucleotidase, thimidine monophosphate nucleotidase, 5'-AMPase, 5'-AMP nucleotidase, AMP phosphohydrolase, IMP 5'-nucleotidase) is an enzyme with system name 5'-ribonucleotide phosphohydrolase.^[1]^[2]^[3] This enzyme catalyses the following chemical reaction

a 5'-ribonucleotide + H₂O

\rightleftharpoons

a ribonucleoside + phosphate

This enzyme has a wide specificity for 5'-nucleotides.

References

↑ Gulland, J.M. and Jackson, E.M. (1938). "5-Nucleotidase". Biochem. J. 32: 597–601. PMID 16746659.
↑ Heppel, L.A. and Hilmoe, R.J. (1951). "Purification and properties of 5-nucleotidase". J. Biol. Chem. 188: 665–676. PMID 14824154.
↑ Segal, H.L. and Brenner, B.M. (1960). "5′-Nucleotidase of rat liver microsomes". J. Biol. Chem. 235: 471–474. PMID 14444527.

External links

5'-nucleotidase at the US National Library of Medicine Medical Subject Headings (MeSH)

Hydrolase: esterases (EC 3.1)

3.1.1: Carboxylic
ester hydrolases

Lipase

Phospholipase
- A1
- A2
- B

3.1.2: Thioesterase

3.1.3: Phosphatase

3.1.4: Phosphodiesterase

3.1.6: 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 UvrABC endonuclease

Endoribonuclease	RNase III RNase H 1 2A 2B 2C RNase P RNase A 1 2 3 4/5 RNase T1 RNA-induced silencing complex

either deoxy- or ribo-	Aspergillus nuclease S1 Micrococcal nuclease

Proteins: enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases(list) EC2 Transferases(list) EC3 Hydrolases(list) EC4 Lyases(list) EC5 Isomerases(list) EC6 Ligases(list)

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