Recombinant Rat Protein S100-A4 (S100A4) Protein (His&Myc)

Name: Recombinant Rat Protein S100-A4 (S100A4) Protein (His&Myc)
Brand: Beta LifeScience
SKU: BLC-03949P
Availability: InStock

Greater than 85% 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 Rattus norvegicus (Rat) S100a4.

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Product Overview

Description	Recombinant Rat Protein S100-A4 (S100A4) Protein (His&Myc) is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 85% as determined by SDS-PAGE.
Uniprotkb	P05942
Target Symbol	S100A4
Synonyms	S100a4; Protein S100-A4; Metastasin; Nerve growth factor-induced protein 42A; P9K; Placental calcium-binding protein; S100 calcium-binding protein A4
Species	Rattus norvegicus (Rat)
Expression System	E.coli
Tag	N-10His&C-Myc
Target Protein Sequence	ARPLEEALDVIVSTFHKYSGNEGDKFKLNKTELKELLTRELPSFLGRRTDEAAFQKLMNNLDSNRDNEVDFQEYCVFLSCIAMMCNEFFEGCPDKEPRKK
Expression Range	2-101aa
Protein Length	Full Length of Mature Protein
Mol. Weight	18.6 kDa
Research Area	Cardiovascular
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	Calcium-binding protein that plays a role in various cellular processes including motility, angiogenesis, cell differentiation, apoptosis, and autophagy. Increases cell motility and invasiveness by interacting with non-muscle myosin heavy chain (NMMHC) IIA/MYH9. Mechanistically, promotes filament depolymerization and increases the amount of soluble myosin-IIA, resulting in the formation of stable protrusions facilitating chemotaxis. Modulates also the pro-apoptotic function of TP53 by binding to its C-terminal transactivation domain within the nucleus and reducing its protein levels. Within the extracellular space, stimulates cytokine production including granulocyte colony-stimulating factor and CCL24 from T-lymphocytes. In addition, stimulates T-lymphocyte chemotaxis by acting as a chemoattractant complex with PGLYRP1 that promotes lymphocyte migration via CCR5 and CXCR3 receptors.
Subcellular Location	Secreted. Nucleus. Cytoplasm.
Protein Families	S-100 family
Database References	KEGG: rno:24615 STRING: 10116.ENSRNOP00000015958 UniGene: PMID: 28235243 S100A4 is upregulated in the experimental rat periodontitis. PMID: 26499072 Results show S100A4 expression increasing during fibrotic stage and declining during resolution suggesting it as a good marker for liver fibrogenesis. PMID: 26721462 found a significant increase in the expression of S100A4 in vitreous samples of rats with diabetic retinopathy PMID: 25253987 TG2 regulates S100A4-mediated mammary tumor cell migration. PMID: 23469180 S100A4 modulates p53 function in fibroblasts and thereby mediates myocardial interstitial fibrosis through two distinct mechanisms; cell proliferation and collagen expression. PMID: 23352991 The concentration gradient of S100A4 induces direction guidance for neurons and astrocytes. PMID: 23222508 S100A4 downregulates filopodia formation through increased dynamic instability PMID: 21975553 The presence of S100A4 in sensory neurons, including their processes in the central nervous system, suggests that S100A4 is involved in propagation of sensory impulses in specific fiber types. PMID: 15101091 results indicated that S100A4 may play a role as a possible target molecule for TCR gamma delta T cell-mediated lysis although how S100A4 is involved in TCR gamma delta T cell-mediated lysis remains to be determined PMID: 15665453 the ability to interact with protein target(s) is important in S100A4-induced metastasis PMID: 15856021 S100A4 has a stabilizing function in reactive white matter astrocytes PMID: 16265672 high-grade glioblastomas express higher amount of S100A4/Mts1 than low-grade astrocytic tumors PMID: 17223348

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.