Recombinant Human Perilipin-4 (PLIN4) Protein (His)

Name: Recombinant Human Perilipin-4 (PLIN4) Protein (His)
Brand: Beta LifeScience
SKU: BLC-09370P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

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Product Overview

Description	Recombinant Human Perilipin-4 (PLIN4) Protein (His) is produced by our E.coli expression system. This is a protein fragment.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	Q96Q06
Target Symbol	PLIN4
Synonyms	Adipocyte protein S3 12 ; Adipocyte protein S3-12; hCG1646516; KIAA1881; Perilipin-4; Plasma membrane associated protein S3 12 ; Plin 4; PLIN4; PLIN4_HUMAN; S3 12
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-6His
Target Protein Sequence	GVDTSKTVLTGTKDTVCSGVTGAMNVAKGTIQTGVDTTKTVLTGTKNTVCSGVTGAVNLAKEAIQGGLDTTKSMVMGTKDTMSTGLTGAANVAKGAMQTGLNTTQNIATGT
Expression Range	308-418aa
Protein Length	Partial
Mol. Weight	14.9kDa
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	May play a role in triacylglycerol packaging into adipocytes. May function as a coat protein involved in the biogenesis of lipid droplets.
Subcellular Location	Cell membrane. Cytoplasm. Lipid droplet.
Protein Families	Perilipin family
Database References	HGNC: 29393 OMIM: 613247 KEGG: hsa:729359 STRING: 9606.ENSP00000301286 UniGene: Hs.591387

Gene Functions References

Using synthetic lipids, we show that Plin4 amphipathic helix (AH) binds poorly to lipid bilayers but strongly interacts with pure triglycerides, acting as a coat and forming small oil droplets. Because Plin4 overexpression alleviates lipid droplet (LD) instability under conditions where their coverage by phospholipids is limiting, we propose that the Plin4 AH replaces the LD lipid monolayer, for example during LD growth. PMID: 29626194
Studied weight loss in obese patients with Perilipin 4 (PLIN4), Fat mass and obesity-associated (FTO), and beta- adrenergic receptor 3 (ADRB3) polymorphisms treated with Garcinia cambogia/Glucomannan. Results suggest weight loss was attenuated in carriers of PLIN4, FTO, ADRB3 polymorphisms. PMID: 29361938
PLIN2-PLIN5 proteins were all more abundant in women than in men (p = 0.037 and p < 0.0001, respectively), consistent with higher intramyocellular lipid content observed in female skeletal muscle. PMID: 22667335
we found a significant association between one single-nucleotide polymorphism in PLIN4 and height but not with bone traits PMID: 22210160
These results suggest variation at the PLIN4 locus, and its interaction with PUFA as a modulator of obesity related phenotypes, acts in part through creation of a miR-522 regulatory site PMID: 21533135
Those findings indicate improvement and conservation of lifestyle depending on genetic predisposition in ADIPOQ, PLIN and LIPE should be encouraged. PMID: 20495294
Observational study of gene-disease association and gene-environment interaction. (HuGE Navigator) PMID: 20495294
Characterization of homologous mouse gene product, plasma membrane associated protein, S3-12. PMID: 12840023

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.