level of phosphoribosyltransferase domain-containing protein 1 (human) in cerebrospinal fluid (Ontology of Biological Attributes entry OBA_2081209) is the amount of a phosphoribosyltransferase domain-containing protein 1 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid phosphoribosyltransferase domain-containing protein 1 (human) amount.