Progesterone-11-hemisuccinyl-HRP Antigen

This progesterone hapten-HRP conjugate antigen from Antibodies.com is supplied as a ready-to-use liquid reagent at 1 ml per vial, intended for incorporation into competitive immunoassay workflows that target the steroid hormone progesterone. The progesterone-11-hemisuccinyl moiety is covalently coupled to horseradish peroxidase (HRP), producing a labeled antigen useful as a coating or conjugate reagent in ELISA-based progesterone detection across veterinary, agricultural, and clinical research samples such as milk, serum, urine, and tissue extracts.

The hemisuccinyl linker at the 11-position of the steroid backbone preserves key structural epitopes recognized by anti-progesterone antibodies, supporting direct competition between the labeled antigen and free progesterone in standard assay protocols. Researchers commonly titrate the working dilution to optimize signal-to-noise for their specific antibody pair and sample matrix, making this conjugate a flexible building block for custom progesterone assay development, kit manufacturing, and validation studies.

Provided as a single-use liquid in a 1 ml vial, the HRP-labeled antigen should be stored refrigerated at 2 to 8 degrees C and protected from light to preserve enzymatic activity, and is intended for research use only as an ELISA reagent.