Human SCARA5 Alexa Fluor® 405-conjugated Antibody
Human SCARA5 Alexa Fluor® 405-conjugated Antibody Summary
Accession # Q6ZMJ2
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Preparation and Storage
Scavenger receptor A5 (SCARA5) is also known as testis expressed scavenger receptor (Tesr). Class A scavenger receptors, including CL-P1, MARCO, SCARA3, and SR-A1, are type II transmembrane proteins that contain a collagenous stalk (1-3). Mature human SCARA5 consists of a 60 amino acid (aa) cytoplasmic domain, a 21 aa transmembrane segment, and a 414 aa extracellular domain (ECD) with a spacer, a collagen-like, and a scavenger receptor cysteine-rich (SRCR) domain (4-6). Within the ECD, human SCARA5 shares 87% aa sequence identity with mouse and rat SCARA5. It shares 23%‑34% aa sequence identity with CL-P1, MARCO, SCARA3, and SR-A1. Alternate splicing generates isoforms that lack the SRCR domain, the transmembrane segment, or the 225 aa spacer region between the membrane and the collagen-like domain (6). SCARA5 is a cell surface disulfide-linked homotrimer of > 250 kDa (5). It is highly expressed in testicular Sertoli and germ cells and more weakly in the epithelia of other tissues (4, 5). During mouse development, SCARA5 expression is attenuated in female embryos at the time of sex determination, whereas it is maintained in the developing testis (4). SCARA5 is re-expressed in the adult ovary (4). SCARA5 binds heat-killed bacterial particles but not yeast particles or modified LDL (5).
- Murphy, J.E. et al. (2005) Atherosclerosis 182:1.
- Mukhopadhyay, S. And S. Gordon (2004) Immunobiology 209:39.
- Sarrias, M.R. et al. (2004) Crit. Rev. Immunol. 24:1.
- Sarraj, M.A. et al. (2005) Dev. Dyn. 234:1026.
- Jiang, Y. et al. (2006) J. Biol. Chem. 281:11834.
- Accession # Q6ZMJ2.
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