Ontology of Biological Attributes identifier OBA_2055831 (level of SH3 and PX domain-containing protein 2B (human) in cerebrospinal fluid) is the amount of a SH3 and PX domain-containing protein 2B (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid SH3 and PX domain-containing protein 2B (human) amount.