Specific for rabbit glyceraldehyde-3-phosphate dehydrogenase (GAPDH). Cross-reacts with human, bovine, porcine, goat, canine, rabbit, cat, rat, mouse, fish GAPDH. Can be used for GAPDH immunoassays, works in WB and immunocytochemistry.Recommended pair for quantitative human GAPDH immunodetection are (capture - conjugation): 6C5 - 4G5, 6F7 - 4G5.