Recombinant Human Sperm-egg fusion protein Juno (IZUMO1R)

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Code CSB-EP008789HU
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-EP008789HU could indicate that this peptide derived from E.coli-expressed Homo sapiens (Human) IZUMO1R.
  • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP008789HU could indicate that this peptide derived from E.coli-expressed Homo sapiens (Human) IZUMO1R.
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Product Details

Purity
Greater than 90% as determined by SDS-PAGE.
Target Names
IZUMO1R
Uniprot No.
Research Area
Developmental Biology
Alternative Names
IZUMO1R; FOLR4; JUNO; Sperm-egg fusion protein Juno; Folate receptor 4; Folate receptor delta; FR-delta; IZUMO1 receptor protein JUNO
Species
Homo sapiens (Human)
Source
E.coli
Expression Region
20-250aa
Target Protein Sequence
GDELLNICMNAKHHKRVPSPEDKLYEECIPWKDNACCTLTTSWEAHLDVSPLYNFSLFHCGLLMPGCRKHFIQAICFYECSPNLGPWIQPVGSLGWEVAPSGQGERVVNVPLCQEDCEEWWEDCRMSYTCKSNWRGGWDWSQGKNRCPKGAQCLPFSHYFPTPADLCEKTWSNSFKASPERRNSGRCLQKWFEPAQGNPNVAVARLFASSAPSWELSYTIMVCSLFLPFLS
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
30.3kDa
Protein Length
Full Length of Mature Protein
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.

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Target Background

Function
Receptor for IZUMO1 present at the cell surface of oocytes (oolemma), which is essential for species-specific gamete recognition and fertilization. The IZUMO1:IZUMO1R/JUNO interaction is a necessary adhesion event between sperm and egg that is required for fertilization but is not sufficient for cell fusion. The ligand-receptor interaction probably does not act as a membrane 'fusogen'. Does not bind folate.
Gene References into Functions
  1. Juno single nucleotide polymorphisms associated with fertilization failure and polyspermy after in vitro fertilization in women. PMID: 29243140
  2. JUNO interacts with IZUMO1 during sperm binding. PMID: 27416963
  3. crystal structures of human IZUMO1, JUNO and the IZUMO1-JUNO complex, establishing the structural basis for the IZUMO1-JUNO-mediated sperm-oocyte interaction PMID: 27309808
  4. crystal structures of human IZUMO1 and JUNO in unbound and bound conformations PMID: 27309818
Subcellular Location
Cell membrane; Lipid-anchor, GPI-anchor.
Protein Families
Folate receptor family
Database Links

HGNC: 32565

OMIM: 615737

KEGG: hsa:390243

STRING: 9606.ENSP00000416935

UniGene: Hs.553758

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