LAX1 (Linker for activation of X cells) is a 70 kDa member of a small group of T cell transmembrane (TM) adaptor proteins. It is upregulated on both T and B cells after activation, and likely downmodulates both BCR and TCR signaling. Human LAX1 is 398 amino acids (aa) in length. Although its predicted MW is 44 kDa, it runs anomalously at 70 kDa in SDS-PAGE. It is a type III (no signal sequence) TM protein that contains a 37 aa N-terminal extracellular region and a 340 aa cytoplasmic domain (aa 59‑398). There are two potential isoform variants. One has an alternate start site at Met77, while a second shows a 13 aa substitution for aa 1‑29. Over aa 136‑398, human LAX1 is 47% aa identical to mouse LAX1.
Key Product Details
Species Reactivity
Applications
Label
Antibody Source
Product Specifications
Immunogen
Asn136-Glu398
Accession # Q8IWV1
Specificity
Clonality
Host
Isotype
Scientific Data Images for Human LAX1 Antibody
Detection of Human LAX1 by Western Blot.
Western blot shows lysates of Jurkat human acute T cell leukemia cell line and K562 human chronic myelogenous leukemia cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human LAX1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4706) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). A specific band was detected for LAX1 at approximately 70 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of LAX1 in Jurkat Human Cell Line by Flow Cytometry.
Jurkat human acute T cell leukemia cell line were stained with Goat Anti-Human LAX1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4706, filled histogram) or isotype control antibody (Catalog # AB-108-C, open histogram), followed by Phycoerythrin-conjugated Anti-Goat IgG Secondary Antibody (Catalog # F0107). To facilitate intracellular staining, cells were fixed with paraformaldehyde and permeabilized with saponin.
Applications for Human LAX1 Antibody
CyTOF-ready
Intracellular Staining by Flow Cytometry
Sample: Jurkat human acute T cell leukemia cell line fixed with paraformaldehyde and permeabilized with saponin
Western Blot
Sample: Jurkat human acute T cell leukemia cell line and K562 human chronic myelogenous leukemia cell line
Flow Cytometry Panel Builder
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Advanced Features
- Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
- Spillover Popups - Visualize the spectra of individual fluorochromes
- Antigen Density Selector - Match fluorochrome brightness with antigen density
Formulation, Preparation, and Storage
Purification
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
Formulation
Shipping
Stability & Storage
- 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.
Calculators
Background: LAX1
Long Name
Alternate Names
Gene Symbol
UniProt
Additional LAX1 Products
Product Documents for Human LAX1 Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human LAX1 Antibody
For research use only
Related Research Areas
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