Recombinant Human Hydroperoxide isomerase ALOXE3 (ALOXE3)

In Stock
Code CSB-EP863156HU
Abbreviation Recombinant Human ALOXE3 protein
MSDS
Size $306
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Purity
Greater than 90% as determined by SDS-PAGE.
Target Names
ALOXE3
Uniprot No.
Research Area
Cell Biology
Species
Homo sapiens (Human)
Source
E.coli
Expression Region
1-711aa
Target Protein Sequence
MAVYRLCVTTGPYLRAGTLDNISVTLVGTCGESPKQRLDRMGRDFAPGSVQKYKVRCTAELGELLLLRVHKERYAFFRKDSWYCSRICVTEPDGSVSHFPCYQWIEGYCTVELRPGTARTICQDSLPLLLDHRTRELRARQECYRWKIYAPGFPCMVDVNSFQEMESDKKFALTKTTTCVDQGDSSGNRYLPGFPMKIDIPSLMYMEPNVRYSATKTISLLFNAIPASLGMKLRGLLDRKGSWKKLDDMQNIFWCHKTFTTKYVTEHWCEDHFFGYQYLNGVNPVMLHCISSLPSKLPVTNDMVAPLLGQDTCLQTELERGNIFLADYWILAEAPTHCLNGRQQYVAAPLCLLWLSPQGALVPLAIQLSQTPGPDSPIFLPTDSEWDWLLAKTWVRNSEFLVHENNTHFLCTHLLCEAFAMATLRQLPLCHPIYKLLLPHTRYTLQVNTIARATLLNPEGLVDQVTSIGRQGLIYLMSTGLAHFTYTNFCLPDSLRARGVLAIPNYHYRDDGLKIWAAIESFVSEIVGYYYPSDASVQQDSELQAWTGEIFAQAFLGRESSGFPSRLCTPGEMVKFLTAIIFNCSAQHAAVNSGQHDFGAWMPNAPSSMRQPPPQTKGTTTLKTYLDTLPEVNISCNNLLLFWLVSQEPKDQRPLGTYPDEHFTEEAPRRSIAAFQSRLAQISRDIQERNQGLALPYTYLDPPLIENSVSI
Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.
Mol. Weight
87.4 kDa
Protein Length
Full Length
Tag Info
C-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.If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.
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.

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Target Background

Function
Non-heme iron-containing lipoxygenase which is atypical in that it displays a prominent hydroperoxide isomerase activity and a reduced lipoxygenases activity. The hydroperoxide isomerase activity catalyzes the isomerization of hydroperoxides, derived from arachidonic and linoleic acid by ALOX12B, into hepoxilin-type epoxyalcohols and ketones. In presence of oxygen, oxygenates polyunsaturated fatty acids, including arachidonic acid, to produce fatty acid hydroperoxides. In the skin, acts downstream of ALOX12B on the linoleate moiety of esterified omega-hydroxyacyl-sphingosine (EOS) ceramides to produce an epoxy-ketone derivative, a crucial step in the conjugation of omega-hydroxyceramide to membrane proteins. Therefore plays a crucial role in the synthesis of corneocytes lipid envelope and the establishment of the skin barrier to water loss. In parallel, it may have a signaling function in barrier formation through the production of hepoxilins metabolites. Plays also a role in adipocyte differentiation through hepoxilin A3 and hepoxilin B3 production which in turn activate PPARG. Through the production of hepoxilins in the spinal cord, it may regulate inflammatory tactile allodynia.
Gene References into Functions
  1. Case Report: ALOXE3 mutation causing congenital ichthyosis and recurrent eczema. PMID: 27868147
  2. In summary, we have identified three novel sequence variants, one in TGM1 and two in ALOXE3, in three consanguineous families segregating lamellar ichthyosis and congenital ichthyosiform erythroderma types of autosomal recessive congenital ichthyosis. PMID: 26578203
  3. Case Report: homozygous ALOXE3 mutation causing autosomal recessive congenital ichthyosis. PMID: 25423909
  4. Loss-of-function mutations in the LOX genes ALOX12B and ALOXE3 have been found to represent the second most common cause of autosomal recessive congenital ichthyosis. [review] PMID: 23954555
  5. This review covers the background to discovery of the two key lipoxygenases (LOX) involved in epidermal barrier function, 12R-LOX and eLOX3. [review] PMID: 24021977
  6. Autosomal recessive congenital ichthyosis patients with NIPAL4 mutations and abnormal ichthyin expression showed increased 12R-LOX and eLOX-3 staining and a colocalization signal of these LOXs that was three times the normal intensity. PMID: 22622417
  7. On the role of molecular oxygen in lipoxygenase activation: comparison and contrast of epidermal lipoxygenase-3 with soybean lipoxygenase-1. PMID: 20923767
  8. Dioxygenase activity of epidermal lipoxygenase-3 unveiled: typical and atypical features of its catalytic activity with natural and synthetic polyunsaturated fatty acids. PMID: 20921226
  9. ALOX12B mutations are the leading cause of self-improving collodion ichthyosis in Scandinavia, followed by ALOXE3 mutations, and TGM1 mutations PMID: 19890349
  10. Lipoxygenase-3 (ALOXE3) and 12(R)-lipoxygenase (ALOX12B) are mutated in non-bullous congenital ichthyosiform erythroderma (NCIE) linked to chromosome 17p13.1. PMID: 11773004
  11. eLOX-3 hydrolase functions in the normal process of skin differentiation, and that the loss of function mutations are the basis of the LOX-dependent form of Non-bullous congenital ichthyosiform erythroderma. PMID: 15629692
  12. The substrate preference of mouse eLOX3 and the unique occurrence of an 8S-LOX enzyme in mouse skin point to a potential LOX pathway for the production of epoxyalcohol in murine epidermal differentiation. PMID: 17045234
  13. Formation of a ligand for the nuclear receptor PPARalpha may be one possibility by which 12R-LOX and eLOX3 contribute to epidermal differentiation. PMID: 17436029
  14. mutation hotspots in ALOXE3 and allelic heterogeneity in ALOX12B may have roles in autosomal recessive congenital ichthyosis PMID: 19131948

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Involvement in disease
Ichthyosis, congenital, autosomal recessive 3 (ARCI3)
Subcellular Location
Cytoplasm.
Protein Families
Lipoxygenase family
Tissue Specificity
Predominantly expressed in skin.
Database Links

HGNC: 13743

OMIM: 606545

KEGG: hsa:59344

STRING: 9606.ENSP00000314879

UniGene: Hs.232770

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