CD21 (CR2) Mouse Monoclonal Antibody [Clone ID: 2G9]

Specifications

Product Data
Clone Name	2G9
Applications	IHC
Recommend Dilution	IHC: 1:25 - 1:100
Reactivity	Human
Host	Mouse
Clonality	Monoclonal
Formulation	This antibody is supplied as cell culture supernatant diluted in tris buffered saline, pH 7.3-7.7, with 1% BSA and <0.1% sodium azide.
Conjugation	Unconjugated
Storage Condition	Store at -20°C as received.
Gene Name	complement component 3d receptor 2
Database Link	NP_001006659 Entrez Gene 1380 Human UniProt ID P20023
Synonyms	C3DR; CD21; CR; CVID7; SLEB9
Note	CD21 (also known as complement receptor 2 (CR2), C3d receptor, or EBV receptor) is a 140 kDa membrane protein on B-lymphocytes to which the Epstein-Barr virus (EBV) binds during infection of these cells. The antigen is absent on T-lymphocytes, monocytes, and granulocytes.Anti-CD21 is useful in the identification of follicular dendritic cell matrix found in normal lymph node and tonsillar tissue. This antibody also labels follicular dendritic cell sarcomas. Anti-CD21 is valuable in differentiating follicular lymphoma with marginal zone differentiation from marginal zone lymphoma with follicular involvement. It also plays a role in separating among nodular lymphocyte predominant Hodgkin lymphoma, lymphocyte-rich classic Hodgkin lymphoma, and T-cell/histiocyte-rich B-cell lymphoma in combination with other B-cell and T-cell markers.
Reference Data
Protein Families	Druggable Genome, Transmembrane
Protein Pathways	B cell receptor signaling pathway, Complement and coagulation cascades, Hematopoietic cell lineage

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