Recombinant Human Lymphocyte-Specific Protein 1 (LSP1) Protein (GST)

Name: Recombinant Human Lymphocyte-Specific Protein 1 (LSP1) Protein (GST)
Brand: Beta LifeScience
SKU: BLC-09277P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of this product could indicate that this peptide derived from E.coli-expressed Homo sapiens (Human) LSP1.

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Product Overview

Description	Recombinant Human Lymphocyte-Specific Protein 1 (LSP1) Protein (GST) is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	P33241
Target Symbol	LSP1
Synonyms	47 kDa actin binding protein; 47 kDa actin-binding protein; 52 kDa phosphoprotein; F actin binding and cytoskeleton associated protein; Leufactin (leukocyte F-actin binding protein); Leufactin; Leukocyte F actin binding protein; Leukocyte specific protein 1; LSP 1; Lsp1; LSP1_HUMAN; Lymphocyte specific antigen WP34; Lymphocyte specific protein 1; Lymphocyte specific protein pp52; Lymphocyte-specific antigen WP34; Lymphocyte-specific protein 1; OTTHUMP00000014138; OTTHUMP00000014139; OTTHUMP00000014140; OTTHUMP00000069612; OTTHUMP00000069614; OTTHUMP00000069615; OTTHUMP00000069616; pp52; Protein pp52; S37 protein; WP 34; WP34
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-GST
Target Protein Sequence	MAEASSDPGAEEREELLGPTAQWSVEDEEEAVHEQCQHERDRQLQAQDEEGGGHVPERPKQEMLLSLKPSEAPELDEDEGFGDWSQRPEQRQQHEGAQGTLDSGEPPQCRSPEGEQEDRPGLHAYEKEDSDEVHLEELSLSKEGPGPEDTVQDNLGAAGAEEEQEEHQKCQQPRTPSPLVLEGTIEQSSPPLSPTTKLIDRTESLNRSIEKSNSVKKSQPDLPISKIDQWLEQYTQAIETAGRTPKLARQASIELPSMAVASTKSRWETGEVQAQSAAKTPSCKDIVAGDMSKKSLWEQKGGSKTSSTIKSTPSGKRYKFVATGHGKYEKVLVEGGPAP
Expression Range	1-339aa
Protein Length	Full Length of BC001785
Mol. Weight	64.2kDa
Research Area	Immunology
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	May play a role in mediating neutrophil activation and chemotaxis.
Subcellular Location	Cell membrane; Peripheral membrane protein; Cytoplasmic side.
Database References	HGNC: 6707 OMIM: 153432 KEGG: hsa:4046 STRING: 9606.ENSP00000308383 UniGene: PMID: 27590509 These results show that LSP1 is critical regulator of actomyosin contractility in primary macrophages. PMID: 29410425 Underexpression of LSP1 is associated with Breast Cancer Recurrence. PMID: 27165221 LSP1 rs569550 and rs592373 polymorphisms are both risk factors for breast cancer. PMID: 26191300 the importance of LSP1 Copy number variations and LSP1 insufficiency in the pathogenesis of rheumatoid arthritis, is reported. PMID: 26554018 The breast cancer SNP LSP1 rs3817198 was associated with an increased risk of lung cancer (odds ratio: 1.10) This association was strongest for women with adenocarcinoma (P = 1.2x10(-4)). PMID: 24681604 Data indicate that slit2N alters the localization and binding of Robo1 to WASp and LSP1 in HIV-1-gp120-treated immature dendritic cells (iDCs). PMID: 23119100 Single nucleotide polymorphism in LSP1 is associated with breast cancer. PMID: 22454379 The LSP1 rs3817198T>C polymorphism is a low-penetrant risk factor for developing breast cancer but may not be in Africans. PMID: 21127985 Low-risk variants of LSP1 is associated with familial breast cancer. PMID: 19856316 The LSP1 and 2q35 SNPs appear to interact multiplicatively on breast cancer risk for BRCA2 mutation carriers. PMID: 19656774 LSP1 interacts with F-actin and the cytoskeleton through residues downstream of amino acid residue 230. The cytoskeleton binding site of mouse LSP1 maps to the 300-330 interval. PMID: 12972289 Leukocyte-specific protein 1 is a cytoskeletal targeting protein for the ERK/MAP kinase pathway PMID: 15090600 LSP1 protein facilitates virus transport into the proteasome after its interaction with DC-SIGN through its interaction with cytoskeletal proteins. PMID: 17296787 MK2-regulated LSP1 phosphorylation is involved in stabilization of F-actin polarization during neutrophil chemotaxis. PMID: 17481585 DC-SIGN was constitutively associated with a signalosome complex consisting of the scaffold proteins LSP1, KSR1 and CNK and the kinase Raf-1 PMID: 19718030

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.