Human HCN4 (Hyperpolarization Activated Cyclic Nucleotide Gated Potassium Channel 4) ELISA Kit

The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Human HCN4. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human HCN4. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Human HCN4, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Human HCN4 in the samples is then determined by comparing the OD of the samples to the standard curve. Protein Function: Hyperpolarization-activated ion channel that are permeable to Na(+) and K(+) ions with very slow activation and inactivation (PubMed:10228147, PubMed:10430953, PubMed:20829353). Exhibits higher selectivity for K(+) over Na(+) ions (PubMed:10228147). Contributes to the native pacemaker currents in heart (If) that regulate the rhythm of heart beat (Probable) (PubMed:10228147, PubMed:16407510, PubMed:19165230). Contributes to the native pacemaker currents in neurons (Ih) (Probable). May mediate responses to sour stimuli (By similarity) [The Uniprot Consortium]