The amount of a NCK-interacting protein with SH3 domain (human) when measured in cerebrospinal fluid. The trait is level of NCK-interacting protein with SH3 domain (human) in cerebrospinal fluid (OBA_2081367, an Ontology of Biological Attributes identifier). Also known as: cerebrospinal fluid NCK-interacting protein with SH3 domain (human) amount.