Human Heregulinβ-1 ELISA development kit contains the key components required for the quantitative measurement of natural and/or recombinant hHeregulinβ-1 in a sandwich ELISA format. Using the ELISA protocol, the recommended microplates, reagents and solutions, the components supplied in this kit are sufficient to assay hHeregulinβ-1in approximately 200 ELISA plate wells.