Recombinant Human ICAM-3

Intercellular adhesion molecule 3 (ICAM3) also known as CD50 (Cluster of Differentiation 50) is a member of the intercellular adhesion molecule (ICAM) family. All ICAM proteins are type I transmembrane glycoproteins that bind to the leukocyte adhesion LFA-1 protein. This protein is constitutively and abundantly expressed by all leucocytes and may be the most important ligand for LFA-1 in the initiation of the immune response. It functions not only as an adhesion molecule, but also as a potent signaling molecule.
ICAM-3 is potentially the most important ligand for LFA-1 in the initiation of the immune response because the expression of ICAM-1 on resting leukocytes is low.¹ ICAM-3 is closely related to ICAM-1. ¹ ICAM-3 is essentially restricted to the haemopoietic system and is reciprocal in its expression to ICAM-1, in that it is present on resting cells and its level falls as a result of cell activation.²

Fc Fusion Protein

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No results obtained: Gln30 predicted

Lyophilized

The predicted molecular weight of Recombinant Human ICAM-3 is Mr 76.7 kDa. However, the actual molecular weight as observed by migration on SDS Page is Mr 120 kDa.

76.7

This recombinant protein was 0.2 µm filtered and lyophilized from modified Dulbecco’s phosphate buffered saline (1X PBS) pH 7.2 – 7.3 with no calcium, magnesium, or preservatives.

This lyophilized protein is stable for six to twelve months when stored desiccated at -20°C to -70°C. After aseptic reconstitution, this protein may be stored at 2°C to 8°C for one month or at -20°C to -70°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. See Product Insert for exact lot specific storage instructions.

Next Day Ambient

1. Simmons, DL. et al. (1992) Nature 360: 481
2. Mason, DY. et al. (1994) J Clin Pathol 47: 143