Human IL-4I1 Antibody

Catalog # Availability Size / Price Qty
MAB56843-100
MAB56843-SP
Detection of Human IL‑4I1 by Western Blot.
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Human IL-4I1 Antibody Summary

Species Reactivity
Human
Specificity
Detects human IL-4I1 in direct ELISAs.
Source
Monoclonal Rat IgG2A Clone # 1006231
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Chinese Hamster Ovary cell line, CHO-derived human IL-4I1
Met1-His567
Accession # Q96RQ9
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
2 µg/mL
See below
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
 
Intracellular Staining by Flow Cytometry
0.25 µg/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

Western Blot Detection of Human IL-4I1 antibody by Western Blot. View Larger

Detection of Human IL‑4I1 by Western Blot. Western blot shows lysates of THP-1 human acute monocytic leukemia cell line untreated (-) or treated (+) with 200 nM of PMA for 24 hours followed by 10 μg/mL of LPS for 3 hours. PVDF membrane was probed with 2 µg/mL of Rat Anti-Human IL-4I1 Monoclonal Antibody (Catalog # MAB56843) followed by HRP-conjugated Anti-Rat IgG Secondary Antibody (Catalog # HAF005). A specific band was detected for IL-4I1 at approximately 75 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Intracellular Staining by Flow Cytometry Detection of IL-4l1 antibody in THP-1 Human Cell Line antibody by Flow Cytometry. View Larger

Detection of IL-4l1 in THP-1 Human Cell Line by Flow Cytometry. THP-1 human cell line was stained with Mouse Anti-Human IL-4l1 Monoclonal Antibody (Catalog # MAB56843, filled histogram) or isotype control antibody (Catalog # MAB0061, open histogram), followed by APC-conjugated Anti-Rat IgG Secondary Antibody (Catalog # F0113). To facilitate intracellular staining, cells were fixed and permeabilized with FlowX FoxP3/Transcription Factor Fixation & Perm Buffer Kit (Catalog # FC012). View our protocol for Staining Intracellular Molecules.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: IL-4I1

Interleukin 4 induced protein 1 (IL-4I1), also known as protein FIG-1 and L-amino acid oxidase, is encoded by a B-cell IL-4-inducible gene, FIG1, and is highly expressed in primary metastinal B-cell lymphomas (1-4). It belongs to the flavin monoamine oxidase family, FIG1 subfamily. Enzymological characterization reveals that IL-4I1 has L-amino acid oxidase activity with preference toward aromatic amino acids. Studies have shown that hIL-4I1 inhibited the proliferation of CD3‑stimulated T lymphocytes with a similar effect on CD4(+) and CD8(+) T cells (5). Its inhibitory effect was dependent on enzymatic activity and H2O2 production. Its restricted expression to lymphoid tissues indicates that it may play an important function in the immune system (1, 4).

References
  1. Chu, C.C. and W.E. Paul. (1997) Proc. Natl. Acad. Sci. USA 94:2507.
  2. Mason, J.M. et al. (2004) J. Immunol. 173:4561.
  3. Chavan, S.S. et al. (2002) Biochim. Biophys. Acta. 1576:70.
  4. Copie-Bergman, C. et al. (2003) Blood 101:2756.
  5. Boulland, M.L. et al. (2007) Blood 110:220.
Long Name
Interleukin 4-induced Protein-1
Entrez Gene IDs
259307 (Human); 14204 (Mouse); 308575 (Rat); 102115096 (Cynomolgus Monkey)
Alternate Names
Fig-1 protein; FIG1; hFIG1; IL4I1; IL-4I1; IL4-induced protein 1; interleukin 4 induced 1; interleukin four induced 1; LAAO; L-amino-acid oxidase; LAO; UNQ636/PRO1265

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