Recombinant Human Pulmonary Surfactant-Associated Protein D/PSP-D (C-6His)

Recombinant Human Pulmonary Surfactant-Associated Protein D/PSP-D (C-6His)

SKU: C541-10ug
Recombinant Human PSP-D is produced by our Mammalian expression system and the target gene encoding Ala21-Phe375(Glu22Gly) is expressed with a 6His tag at the C-terminus. Bon Opus Cat. #C541
  • Accession Number

  • Background

    Surfactant Pulmonary-Associated Protein D (SP-D) is a 43 kDa member of the collectin family of innate immune modulators. Its principal components consist of a collagen-like region and a C-terminal carbohydrate recognition domain (CRD), a structure that places it in a subset of pattern recognition proteins termed defense collagens. SP-D is constitutively secreted by alveolar lining cells and epithelium associated with tubular structures and induced in cardiac smooth muscle and endothelial cells. It binds both secreted and transmembrane proteins that transduce its function. It binds human neutrophil defensins, modulating influenza anti-viral defense. It binds MD-2/LY96, a secreted protein that cooperates with Toll-like receptors (TLRs) in the response of macrophages to bacterial lipopolysaccharides (LPS) or cell wall components. It also binds macrophage CD14 and TLRs directly, blocking binding of LPS and down-regulating TNF-α secretion. SP-D binding of both SIRPα and the calreticulin/CD91 complex on macrophages allows for a graded response to environmental challenge.
  • Expression

    Human Cells
  • Packaging

  • Formulation

    Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.2.
  • ALTnames

    Pulmonary Surfactant-Associated Protein D, PSP-D, SP-D, Collectin-7, Lung Surfactant Protein D, SFTPD, COLEC7, PSPD, SFTP4
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