level of 3'(2'),5'-bisphosphate nucleotidase 1 in blood serum (OBA_2040821, an Ontology of Biological Attributes identifier) is the amount of a 3'(2'),5'-bisphosphate nucleotidase 1 when measured in blood serum. Also known as: blood serum 3'(2'),5'-bisphosphate nucleotidase 1 amount.