Human Transferrin is a blood plasma glycoprotein which binds iron and regulates the amount of available iron in circulation. Human Transferrin has a high affinity for iron, but this binding is reversible. Human Transferrin has a molecular weight of approximately 80kDa. Human Transferrin also plays a role in the immune system, creating environments low in iron for which many pathogenic bacteria are unable to thrive. Horseradish Peroxidase (HRP) is an enzyme that utilize organic peroxide compounds as electron donors. Naturally provides protection for plants against pathogens, but can be utilized in molecular biology to convert various substrates to detectable compounds (such as in Western Blotting and ELISAs). Synonyms: TFQTL1, PRO1557, PRO2086, DKFZp781D0156, HRP, Horseradish peroxidase