A glycoprotein enzyme present in various organs and in many cells. The enzyme catalyzes the hydrolysis of a 5'-ribonucleotide to a ribonucleoside and orthophosphate in the presence of water. It is cation-dependent and exists in a membrane-bound and soluble form. EC 3.1.3.5.

Synonyms: AMP Phosphatase, Inosinate Phosphatase, Thymidine Phosphatase, 5'-AMP Nucleotidase, Uridylate 5'-Nucleotidase, Pyrimidine 5'-Nucleotidase, 5' Nucleotidase Phosphoribolase, Antigens, CD73, Adenylate Phosphatase, Uridylate 5' Nucleotidase, 5' Nucleotidase, Ecto-5'-Nucleotidase, Antigen, CD73, CD73 Antigen, 5'-Ribonucleotide phosphohydrolase, 5'-Nucleotidase, Cytidylate Phosphatase, Pyrimidine 5' Nucleotidase, 5'-Nucleotidase Phosphoribolase, Ecto 5' Nucleotidase, IMPase, IMP Phosphatase, IMP Nucleotidase, CD73 Antigens, 5' AMP Nucleotidase, EC 3.1.3.5