Recombinant Human Squalene synthase (FDFT1), partial

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Code CSB-EP008562HU
Size $224
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP008562HU could indicate that this peptide derived from E.coli-expressed Homo sapiens (Human) FDFT1.
  • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP008562HU could indicate that this peptide derived from E.coli-expressed Homo sapiens (Human) FDFT1.
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Product Details

Purity
Greater than 90% as determined by SDS-PAGE.
Target Names
FDFT1
Uniprot No.
Research Area
Metabolism
Alternative Names
DGPT; ERG9; Farnesyl diphosphate farnesyltransferase; Farnesyl-diphosphate farnesyltransferase; FDFT_HUMAN; FDFT1; FPP:FPP farnesyltransferase; SQS; Squalene synthase; Squalene synthetase; SS
Species
Homo sapiens (Human)
Source
E.coli
Expression Region
2-417aa
Target Protein Sequence
EFVKCLGHPEEFYNLVRFRIGGKRKVMPKMDQDSLSSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKIRKGQAVTLMMDATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQNLPNCQLISRSHYSPIYLSFVMLLAALSWQYLTTLSQVTEDYVQTGEH
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
52.0kDa
Protein Length
Partial
Tag Info
N-terminal 6xHis-tagged
Form
Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
3-7 business days
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.
Description

Amino acids 2-417 constitute the expression domain of recombinant Human FDFT1. This FDFT1 protein is theoretically predicted to have a molecular weight of 52 kDa. This FDFT1 protein is produced using e.coli expression system. The FDFT1 gene fragment has been modified by fusing the N-terminal 6xHis tag, providing convenience in detecting and purifying the recombinant FDFT1 protein during the following stages.

Human squalene synthase (FDFT1) is a key enzyme in the cholesterol biosynthesis pathway, catalyzing the condensation of two molecules of farnesyl diphosphate to produce squalene. This reaction is a crucial step in the mevalonate pathway, leading to the synthesis of cholesterol and other isoprenoids. FDFT1 plays a central role in maintaining cellular lipid homeostasis. Dysregulation of cholesterol levels can contribute to various diseases, including cardiovascular disorders. Research on FDFT1 is important for understanding cholesterol metabolism and lipid-related diseases and exploring potential therapeutic targets for conditions associated with abnormal lipid profiles.

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Target Background

Function
Catalyzes the condensation of 2 farnesyl pyrophosphate (FPP) moieties to form squalene. Proceeds in two distinct steps. In the first half-reaction, two molecules of FPP react to form the stable presqualene diphosphate intermediate (PSQPP), with concomitant release of a proton and a molecule of inorganic diphosphate. In the second half-reaction, PSQPP undergoes heterolysis, isomerization, and reduction with NADPH or NADH to form squalene. It is the first committed enzyme of the sterol biosynthesis pathway.
Gene References into Functions
  1. The results indicate that the ennea-peptide CLSPHSMFC, tetra-peptides SMFC, CKTE, and WHQW can effectively inhibit Squalene Synthase activities (IC50 values equal to 64, 76, 87, and 90 muM, respectively) PMID: 26922723
  2. The minor allele in FDFT1 was associated with advanced fibrosis in the non-steatotic but not in the steatotic subgroup in patients with chronic hepatitis C. PMID: 23870067
  3. Up-regulation of SQS promotes metastasis of lung cancer by enhancing tumor necrosis factor-alpha receptor 1 and nuclear factor-kappaB activation and matrix metallopeptidase 1 expression. PMID: 25152164
  4. Several critical residues that are involved in binding of NADPH have been identified in the active site of squalene synthase. PMID: 24531458
  5. HCV infection increases FDFT1 protein level but not FDFT1 mRNA level. PMID: 24690320
  6. this finding yields a new method of colorimetric screening for the cellular activity of squalene synthases, which are major targets for cholesterol-lowering drugs. PMID: 24333579
  7. ABHD5, PGRMC1 and SQS are novel markers for sebaceous carcinoma and can reliably distinguish sebaceous neoplasms from non-sebaceous tumors, specifically BCC with clear cell features. PMID: 23557589
  8. FDFT1 and its encoded enzyme, squalene synthase, may play an important role in prostate cancer development and its aggressive phenotypes. PMID: 22546838
  9. CTSB and FDFT1 are excluded as candidates for keratolytic winter erythema PMID: 21945151
  10. NASH is intimately related to fibrosis progression, the FDFT1 SNP is a good candidate for a link with inflammation and fibrosis. PMID: 21439984
  11. In multivariate models adjusted for age, body mass index, diabetes, waist/hip ratios, and levels of glycated hemoglobin, the NAFLD activity score was associated with the SNP rs2645424 on chromosome 8 in farnesyl diphosphate farnesyl transferase 1 (FDFT1) PMID: 20708005
  12. Results report the high-resolution x-ray structures of human farnesyl pyrophosphate synthase in complexes with risedronate and zoledronate, two of the leading nitrogen-containing bisphosphonates in clinical use. PMID: 16684881
  13. in prostate cancer cells SQS expression is enhanced by androgens, channeling intermediates of the mevalonate/isoprenoid pathway toward cholesterol synthesis PMID: 17483544
  14. lysine in codon 45 is conserved across 11 mammals and lies in an exonic splicing enhancer site, suggesting this coding variant in the squalene synthase gene influences plasma cholesterol levels, by affecting the intracellular production of cholesterol PMID: 18350552
  15. the liver X receptor alpha directly silencing the expression of two key cholesterologenic enzymes (lanosterol 14alpha-demethylase (CYP51A1), and squalene synthase (farnesyl diphosphate farnesyl transferase 1)) via novel negative LXR DNA response elements PMID: 18676367
  16. squalene synthase may be involved in the etiology of hypercholesterolemia PMID: 19054015
  17. FDFT1 rs7001819 showed no association with obesity, neither when analysing quantitative traits nor when performing case-control studies of obesity PMID: 19245693

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Subcellular Location
Endoplasmic reticulum membrane; Multi-pass membrane protein.
Protein Families
Phytoene/squalene synthase family
Tissue Specificity
Widely expressed.
Database Links

HGNC: 3629

OMIM: 184420

KEGG: hsa:2222

STRING: 9606.ENSP00000220584

UniGene: Hs.593928

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