Human MS4A4A PE-conjugated Antibody

Catalog # Availability Size / Price Qty
Detection of MS4A4A in HEK293 Human Cell Line by Flow Cytometry.
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Human MS4A4A PE-conjugated Antibody Summary

Species Reactivity
Detects human MS4A4A.
Monoclonal Mouse IgG2B Clone # 818112
Protein A or G purified from hybridoma culture supernatant
Mouse myeloma cell line NS0 transfected with human MS4A4A
Accession # Q96JQ5
Supplied in a saline solution containing BSA and Sodium Azide.
Phycoerythrin (Excitation= 488 nm, Emission= 565-605 nm)


Recommended Concentration
Flow Cytometry
10 µL/106 cells
See below

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.

Scientific Data

Flow Cytometry Detection of MS4A4A antibody in HEK293 Human Cell Line antibody by Flow Cytometry. View Larger

Detection of MS4A4A in HEK293 Human Cell Line by Flow Cytometry. HEK293 human embryonic kidney cell line transfected with human MS4A4A and eGFP was stained with either (A) Mouse Anti-Human MS4A4A PE-conjugated Monoclonal Antibody (Catalog # FAB7797P) or (B) Mouse IgG2BPhycoerythrin Isotype Control (Catalog # IC0041P). View our protocol for Staining Membrane-associated Proteins.

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Preparation and Storage

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

Background: MS4A4A

MS4A4A, also called CD20-like 1, is a 23 kDa (predicted) member of the MS4A family of four-transmembrane proteins that includes CD20 (MS4A1) and Fce RIb (MS4A2). MS4A4 cDNA is detected in hematopoietic cell lines, with highest expression in myeloid and B cell lines. Expressed sequence tags are detected in multiple organs and tissues. Human MS4A4A shares ~60% amino acid sequence identity with mouse and rat MS4A4A, if sequence gaps at the cytoplasmic N and C termini are disregarded. One potential isoform lacks aa 130-182, which includes the 3rd transmembrane segment and the first of two extracellular regions.

Long Name
Membrane-spanning 4-domains, Subfamily A, Member 4A
Entrez Gene IDs
51338 (Human); 666907 (Mouse); 361734 (Rat)
Alternate Names
4SPAN1; CD20 antigen-like 1; CD20L1; CD20L1CD20-L1; Fc epsilon receptor beta subunit homolog; Four-span transmembrane protein 1; membrane-spanning 4-domains subfamily A member 4A; membrane-spanning 4-domains, subfamily A, member 4; membrane-spanning 4-domains, subfamily A, member 4A; MS4A4; MS4A4A; MS4A4MGC22311; MS4A7

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