Ontology of Biological Attributes entry OBA_2056275 (level of potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1 (human) in cerebrospinal fluid) is the amount of a potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1 (human) amount.