Ontology of Biological Attributes id OBA_2056065 (level of DNA-directed RNA polymerases I and III subunit RPAC1 (human) in cerebrospinal fluid) is the amount of a DNA-directed RNA polymerases I and III subunit RPAC1 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid DNA-directed RNA polymerases I and III subunit RPAC1 (human) amount.