Recombinant Human ABCA3 Protein，His

ABCA3 (ATP-binding cassette sub-family A member 3) is a key protein involved in the metabolism of pulmonary surfactant, a substance that reduces surface tension in the alveoli of the lungs and is critical for proper respiratory function. Mutations in the ABCA3 gene have been linked to various lung diseases, particularly surfactant dysfunction disorders, leading to severe neonatal respiratory distress and interstitial lung diseases in both children and adults. Due to its essential role in surfactant homeostasis, understanding the structure and function of ABCA3 has become a focal point of research. Researchers aim to elucidate the mechanisms by which ABCA3 mediates lipid transport and surfactant metabolism, as well as how its dysfunction contributes to respiratory pathologies. Recent studies have utilized recombinant protein expression to dissect the functional domains of ABCA3, enabling the identification of specific residues critical for its transport activity. Additionally, advancements in cryo-electron microscopy have facilitated the exploration of its structural dynamics, providing insights into the conformational changes involved in its transport cycle. This research not only enhances our understanding of ABCA3's role in lung health and disease but also opens new avenues for potential therapeutic interventions aimed at correcting or compensating for its functional deficits. As such, ABCA3 serves as a promising target for future studies focused on developing novel treatments for surfactant-related lung disorders.