Recombinant Human CD35 Protein, CF

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

CD35, also known as complement receptor 1 (CR1), is an N-glycosylated member of the RCA (regulators of complement activation) family of proteins. The complement cascade plays an important role in the innate immune system through the recognition and clearance of immune complexes and foreign particles. There are four major allotypes of human CD35 which range from approximately 220 - 300 kDa (1, 2). Mature human CD35 contains a 1930 amino acid (aa) extracellular domain (ECD) with 30 tandem SCR/SUSHI repeats, a 25 aa transmembrane segment, and a 43 aa cytoplasmic tail (3). A mouse ortholog of human CD35 has not been described, although alternate splicing of mouse CD21/CR2 generates a protein with homology to some SCR repeats of human CD35 (4). A soluble form of the CD35 ECD circulates in the serum (5). Cell surface CD35 is widely expressed on hematopoietic cells (1). It cooperates with both CD21 and CR3/MAC-1 in the binding and internalization of particles and immune complexes that are opsonized with complement components C3b, C3i, and C4b (1, 6, 7). It also binds and internalizes particles opsonized with complement factor C1q or mannose binding lectin (MBL) (8, 9). CD35 protects the cell from complement-mediated lysis by serving as a cofactor for Factor I and inhibiting the C3 and C5 convertases (10). Erythrocyte-expressed CD35 mediates the hepatic clearance of complement-opsonized immune complexes (11). On lymphocytes, CD35 inhibits the activation-induced proliferation of T cells and B cells (12, 13). Mice deficient in both CD21 and CD35 exhibit normal B cell development but severely compromised germinal center development, antibody production, and establishment of protective microbial immunity (14). In mice, CD21/CD35 must additionally be present on follicular dendritic cells to mount effective humoral responses and establishment of B cell memory (15).

We have publications tested in 3 confirmed species: Human, N/A, P. vivax.

We have publications tested in 2 applications: Bioassay, ELISA Capture.

Showing Publications 1 - 5 of 5.

Publications using 5748-CD	Applications	Species
Lee, SK;Crosnier, C;Valenzuela-Leon, PC;Dizon, BLP;Atkinson, JP;Mu, J;Wright, GJ;Calvo, E;Gunalan, K;Miller, LH; Complement receptor 1 is the human erythrocyte receptor for Plasmodium vivax erythrocyte binding protein Proceedings of the National Academy of Sciences of the United States of America 2024-01-30 [PMID: 38261617] (ELISA Capture, Bioassay, N/A, Human)	ELISA Capture, Bioassay	N/A, Human
SK Prajapati, C Borlon, E Rovira-Val, J Gruszczyk, S Menant, WH Tham, JH Kattenberg, E Villasis, K De Meulena, D Gamboa, J Vinetz, R Fujita, XN Xuan, M Urbano Fer, CH Niño, MA Patarroyo, G Spanakos, L Kestens, JVD Abbeele, A Rosanas-Ur Complement Receptor 1 availability on red blood cell surface modulates Plasmodium vivax invasion of human reticulocytes Sci Rep, 2019-06-20;9(1):8943. 2019-06-20 [PMID: 31221984] (Bioassay, P. vivax)	Bioassay	P. vivax
XJ Zhao, TM Larkin, MA Lauver, S Ahmad, AF Ducruet Tissue plasminogen activator mediates deleterious complement cascade activation in stroke PLoS ONE, 2017-07-10;12(7):e0180822. 2017-07-10 [PMID: 28700732] (Bioassay)	Bioassay
Nobutaka Wakamiya Three pentraxins C-reactive protein, serum amyloid p component and pentraxin 3 mediate complement activation using Collectin CL-P1 Biochim. Biophys. Acta, 2016-11-15;0(0):. 2016-11-15 [PMID: 27864148] (Bioassay)	Bioassay
Chen , Qian, Wiesener , Michael, Eberhardt , Hannes U, Hartmann , Andrea, Uzonyi , Barbara, Kirschfink , Michael, Amann , Kerstin, Buettner , Maike, Goodship , Tim, Hugo , Christia, Skerka , Christin, Zipfel , Peter F Complement factor H-related hybrid protein deregulates complement in dense deposit disease. J Clin Invest, 2013-12-16;124(1):145-55. 2013-12-16 [PMID: 24334459] (Bioassay, Human)	Bioassay	Human

Array 5748-CD

• CD35 Antibodies
• CD35 ELISA Kits
• CD35 Proteins
• CD35 Proteins and Enzyme