Profile: ABR - Affinity BioReagents, Inc. supplies monoclonal and polyclonal antibodies & custom antibody production services. We offer cell biology products, cell signaling products, controls, secondaries & tags, ELISA kits, muscle biology products, neurobiology products, nuclear biology products, proteins and stem cell biology products. We offer bioactive peptides, co-activator/co-repressor, protein-coupled receptors, kinases, membrane receptor, nitric oxide synthase, phosphoprotein, signal transduction, steroid receptors and steroid hormones.