Human LAX1 Antibody

Catalog #: AF4706 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
AF4706
AF4706-SP

Detection of Human LAX1 by Western Blot.

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Summary Data Examples Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human LAX1 Antibody Summary

Species Reactivity

Human

Specificity

Detects human LAX1 in direct ELISAs and Western blots.

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

E. coli-derived recombinant human LAX1 isoform 1
Asn136-Glu398
Accession # Q8IWV1

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.

Applications

Recommended Concentration

Sample

Western Blot

1 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

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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.

Intracellular Staining by Flow Cytometry

Detection of LAX1 antibody in Jurkat Human Cell Line antibody by Flow Cytometry.

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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.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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: LAX1

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.

Long Name

Lymphocyte Transmembrane Adaptor 1

Entrez Gene IDs

54900 (Human); 240754 (Mouse); 498232 (Rat)

Alternate Names

LAT-like membrane associated protein; LAX1; LAXFLJ20340; Linker for activation of X cells; lymphocyte transmembrane adapter 1; lymphocyte transmembrane adaptor 1; Membrane-associated adapter protein LAX