LAPTM4B (NM_018407) Human Mass Spec Standard
Specifications
| Product Data | |
| Tag | C-Myc/DDK |
|---|---|
| Species | Human |
| Expression Host | HEK293 |
| Expression cDNA Clone or AA Sequence | RC207325 |
| Predicted MW | 35 kDa |
| Protein Sequence | |
| Purity | > 80% as determined by SDS-PAGE and Coomassie blue staining |
| Concentration | >0.05 µg/µL as determined by microplate BCA method |
| Labeling Method | Labeled with U- 13C6, 15N4-L-Arginine and U- 13C6, 15N2-L-Lysine |
| Buffer | 25 mM Tris-HCl, 100 mM glycine, pH 7.3 |
| Storage | Store at -80°C. Avoid repeated freeze-thaw cycles. |
| Stability | Stable for 3 months from receipt of products under proper storage and handling conditions. |
| Shipping | Dry Ice |
| Reference Data | |
| RefSeq | NP_060877 |
| RefSeq Size | 2242 |
| RefSeq ORF | 951 |
| Synonyms | LAPTM4beta; LC27 |
| Locus ID | 55353 |
| UniProt ID | Q86VI4 |
| Cytogenetics | 8q22.1 |
| Summary | Required for optimal lysosomal function (PubMed:21224396). Blocks EGF-stimulated EGFR intraluminal sorting and degradation. Conversely by binding with the phosphatidylinositol 4,5-bisphosphate, regulates its PIP5K1C interaction, inhibits HGS ubiquitination and relieves LAPTM4B inhibition of EGFR degradation (PubMed:25588945). Recruits SLC3A2 and SLC7A5 (the Leu transporter) to the lysosome, promoting entry of leucine and other essential amino acid (EAA) into the lysosome, stimulating activation of proton-transporting vacuolar (V)-ATPase protein pump (V-ATPase) and hence mTORC1 activation (PubMed:25998567). Plays a role as negative regulator of TGFB1 production in regulatory T cells (PubMed:26126825). Binds ceramide and facilitates its exit from late endosome in order to control cell death pathways (PubMed:26280656).UniProtKB/Swiss-Prot Function |
| Protein Families | Transmembrane |
| Protein Pathways | Lysosome |
Reviews
Documents
| FAQs |
| SDS |
Resources
| Recombinant Protein Resources |
Other "LAPTM4B" proteins (3)
| SKU | Description | Size | Price | |
|---|---|---|---|---|
| LC413079 | Lyophilized LAPTM4B HEK293T cell transient overexpression lysate (as WB positive control) | 20 ug |
$206.00
|
|
| LY413079 | Transient overexpression lysate of lysosomal protein transmembrane 4 beta (LAPTM4B) (as WB positive control) | 100 ug |
$436.00
|
|
| TP307325 | Recombinant protein of human lysosomal protein transmembrane 4 beta (LAPTM4B), 20 µg | 20 ug |
$867.00
|
|
Citations
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