Iron-binding protein

The term **iron-binding protein** refers to a broad group of proteins capable of binding iron ions with high affinity, essential for the regulation, transport, storage, and utilization of iron in biological systems[1][3][5]. They include families such as transferrins (transferrin, lactoferrin), storage proteins (ferritin), heme proteins (hemoglobin, cytochromes), and iron–sulfur cluster proteins[1][3][5][6]. These proteins are fundamental in iron metabolism and play roles in oxygen transport, redox reactions, DNA synthesis and repair, as well as immune responses[2][4]. Misregulation of iron-binding proteins is implicated in diseases like anemia, iron overload disorders, infections (where pathogens compete for iron), neurodegeneration (such as Parkinson’s and Alzheimer’s diseases), cancer (linked to cell proliferation and redox state), and inflammation[2][4][8]. The term “iron-binding protein” is not a specific therapeutic target, but rather a general, functionally and structurally heterogeneous classification[1][3]. For drug discovery or diagnostic purposes, more appropriate targets are the individual members of this group, such as transferrin, ferritin, or lactoferrin, each with their own canonical names and properties[1][6][8]. Therefore, “iron-binding protein” as a target is too broad and non-specific. **Key notes:** - “Iron-binding proteins” is not specific and should not be considered a single, actionable drug target but a category that encompasses several distinct molecules, each with their own unique biology and clinical significance[1][3][5]. - Use specific protein names (e.g., Transferrin, Ferritin, Lactoferrin, Hemoglobin) for structured pharmacological or clinical characterization[1][6][7]. - The entry is marked as **is_incorrect: true** because it is generic, non-specific, and not itself a single molecular entity.

Other names

TransferrinLactoferrinFerritinHemoglobinIron–sulfur proteinHaptoglobinHemopexin

Iron chelation, Iron sequestration, Inhibition of microbial iron uptake, Regulation of redox state