PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18218331-8 2008 Neurons lacking HCN-1 or HCN-2 channel isoforms were mostly capsaicin-positive and IB4-negative. Capsaicin 60-69 hyperpolarization activated cyclic nucleotide gated potassium channel 1 Sus scrofa 16-21