5'-nucleotidase

Active-site structure of 5'nucleotidase with the inhibitor adenosine[10]

Cartoon schematic of membrane-bound and soluble forms of mammalian 5'nucleotidase

5'-nucleotidase (EC3.1.3.5) 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 in the metabolism of nucleotides.

单词	AMP phosphatase
释义	AMP phosphatase 英语百科 5'-nucleotidase 5'-nucleotidase (EC3.1.3.5) 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 in the metabolism of nucleotides.
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AMP phosphatase

5'-nucleotidase