Ontology of Biological Attributes identifier OBA_2044421 (level of cap-specific mRNA (nucleoside-2'-O-)-methyltransferase 1 in blood serum) is the amount of a cap-specific mRNA (nucleoside-2'-O-)-methyltransferase 1 when measured in blood serum. Also known as: blood serum cap-specific mRNA (nucleoside-2'-O-)-methyltransferase 1 amount.