SPA4 is a surfactant protein A-derived peptide containing hydrophobic and charged residues that promote membrane and receptor interactions. The sequence helps model innate immune recognition at air-liquid interfaces. Researchers examine its structural transitions, aggregation, and binding to lipids or receptors. Applications include pulmonary-peptide research, host-defense motif analysis, and peptide-based surfactant design.
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Creative Peptides is a trusted CDMO partner specializing in high-quality peptide synthesis, conjugation, and manufacturing under strict cGMP compliance. With advanced technology platforms and a team of experienced scientists, we deliver tailored peptide solutions to support drug discovery, clinical development, and cosmetic innovation worldwide.
From custom peptide synthesis to complex peptide-drug conjugates, we provide flexible, end-to-end services designed to accelerate timelines and ensure regulatory excellence. Our commitment to quality, reliability, and innovation has made us a preferred partner across the pharmaceutical, biotechnology, and personal care industries.
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