Recombinant Mouse Lamin-B receptor (Lbr), partial

Code CSB-YP667563MO
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Source Yeast
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Code CSB-EP667563MO
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Source E.coli
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Code CSB-EP667563MO-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP667563MO
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Source Baculovirus
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Code CSB-MP667563MO
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Source Mammalian cell
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Product Details

>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
Lbr; Delta(14)-sterol reductase LBR; Delta-14-SR; EC; 3-beta-hydroxysterol Delta; 14)-reductase; C-14 sterol reductase; C14SR; Integral nuclear envelope inner membrane protein; Lamin-B receptor; Sterol C14-reductase
Mus musculus (Mouse)
Protein Length
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
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 before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
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℃/-80℃. 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
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Please contact us to get it.

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Target Background

Catalyzes the reduction of the C14-unsaturated bond of lanosterol, as part of the metabolic pathway leading to cholesterol biosynthesis. Plays a critical role in myeloid cell cholesterol biosynthesis which is essential to both myeloid cell growth and functional maturation. Mediates the activation of NADPH oxidases, perhaps by maintaining critical levels of cholesterol required for membrane lipid raft formation during neutrophil differentiation. Anchors the lamina and the heterochromatin to the inner nuclear membrane.
Gene References into Functions
  1. The diffusional mobility of full-length LBR shows significant regional variation along the nuclear envelope, consistent with the existence of discrete LBR microdomains and the occurrence of multiple, asymmetrically-spaced anastomoses along the nuclear envelope-endoplasmic reticulum interface. Native LBR may be "configured" by long-range interactions between adjacent transmembrane domains and parts of the NH2 region. PMID: 28118363
  2. These results show a moderate skin differentiation phenotype, which indicates that upregulation of LBR is not the sole contributor to the Hutchinson-Gilford progeria syndrome phenotype. PMID: 26053873
  3. The N-terminal portion of LBR is probably responsible for the binding to HP1b. PMID: 26364738
  4. Study identified LBR- and lamin-A/C-dependent mechanisms tethering heterochromatin to the nuclear envelope. The two tethers are sequentially used during cellular differentiation and development: first the LBR- and then the lamin-A/C-dependent tether. PMID: 23374351
  5. LBR deficiency affects not only nuclear architecture but also proliferation, cell viability, and gene expression of hematopoietic cells PMID: 22105998
  6. sterol Delta(14) reductase domain of LBR plays a critical role in cholesterol biosynthesis and that this process is essential to both myeloid cell growth and functional maturation. PMID: 22140257
  7. Lbr, under transcriptional regulation of C/EBPepsilon, is necessary for morphological but not necessarily functional granulocyte maturation. PMID: 18621876
  8. lamin B receptor, although residing in nuclear membranes, may contribute to cholesterol biosynthesis in Tm7sf2((-/-)) mice PMID: 18785926

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Subcellular Location
Nucleus inner membrane; Multi-pass membrane protein. Nucleus. Cytoplasm. Endoplasmic reticulum membrane.
Protein Families
ERG4/ERG24 family
Tissue Specificity
Highly expressed in the testis and lung. Also expressed in the heart, ovary, kidney and liver.
Database Links
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