Adult rat brain membrane (RBM) and transfected cell immunoblot: extracts of RBM and of COS-1 cells transfected with GFP- HCN1, GFP-HCN2 or Kv2.1 plasmids and probed with N71/37 (left), K89/34 (middle) or a control (right) TC supe.
HCN2 is a member of the hyperpolarization-activated cyclic nucleotide gated channel family, also known as pacemaker channels. This family has a role in rhythmic activity of the heart and firing neurons. HCN channels are made up of four subunits, HCN1-4 and can be formed in multiple combinations. HCN2 is expressed throughout the brain and in high levels in thalamic and brainstem nuclei.
IHC, IP, WB
Fusion protein amino acids 761-863 (cytoplasmic C-terminus) of rat HCN2 (also known as potassium /sodium hyperpolarization-activated cyclic nucleotide gated channel 2, accession number Q9JKA9); Mouse: 98% identity (101/103 amino acids identical); Human: 82% identity (86/104 amino acids identical); Less than 50% identity with HCN1, HCN3 and HCN4
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