AF/LE Purified Anti-Human CD28 Antibody [clone CD28.2]

Background:
CD28 is a 44 kD disulfide-linked homodimeric type I glycoprotein. It is a member of the immunoglobulin superfamily and is also known as T44 or Tp44. CD28 is expressed on most T lineage cells, NK cell subsets, and plasma cells. CD28 binds both CD80 and CD86 using a highly conserved motif MYPPY in the CDR3-like loop. CD28 is considered a major co-stimulatory molecule, inducing T lymphocyte activation and IL-2 synthesis, and preventing cell death. In vitro studies indicate that ligation of CD28 on T cells by CD80 and CD86 on antigen presenting cells provides a costimulatory signal required for T cell activation and proliferation.

Research Area: Cancer, Immunology, Stem cells

Synonyms:
PAS2, MNS, HGpMiX, GYPA, GPSAT
Swissprot: P10747

Buffer: 0.2 μm filtered in PBS, pH7.2. Azide Free (AF)/Low Endotoxin (LE): Contains no stabilizers or preservatives. Endotoxin level is < 2 EU/mg as Determined by LAL gel clotting assay.

Concentration: 0.5 mg/mL

Storage:
Store at 2~8°C. Do not freeze.

Alternative for product with catalog number:
302933, 302934