level of V-type proton ATPase subunit C 1 (human) in cerebrospinal fluid (Ontology of Biological Attributes id OBA_2057378) is the amount of a V-type proton ATPase subunit C 1 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid V-type proton ATPase subunit C 1 (human) amount.