Recombinant Human S-arrestin(SAG)

Code CSB-EP020669HU
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Source E.coli
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Code CSB-EP020669HU-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-BP020669HU
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Source Baculovirus
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Code CSB-MP020669HU
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names SAG
Uniprot No. P10523
Research Area Neuroscience
Alternative Names 48 kDa protein; Arrestin 1; Arrestin; ARRS_HUMAN; Retinal S antigen (48 KDa protein); Retinal S-antigen; Rod photoreceptor arrestin; RP47; S antigen; S antigen retina and pineal gland (arrestin); S arrestin; S-AG; S-arrestin; SAG
Species Homo sapiens (Human)
Expression Region 1-405aa
Mol. Weight 47.1kD
Protein Length Full length
Tag Info The following tags are available.
N-terminal His-tagged
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.
Form Lyophilized powder
Buffer before Lyophilization 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℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°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.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4? for up to one week.
Datasheet Please contact us to get it.

Target Data

Function Binds to photoactivated, phosphorylated RHO and terminates RHO signaling via G-proteins by competing with G-proteins for the same binding site on RHO (By similarity). May play a role in preventing light-dependent degeneration of retinal photoreceptor cells
Gene References into Functions
  1. This is the first dominant-acting mutation identified in SAG, a founder mutation possibly originating in Mexico several centuries ago. The phenotype is clearly adRP and is distinct from the previously reported phenotypes of recessive null mutations, that is, Oguchi disease and recessive RP. PMID: 28549094
  2. Macular dysfunction can occur in Oguchi disease with the 1147delA mutation in the SAG gene. PMID: 21447990
  3. Based on their observed affinity for arrestin-1, P-opsin and inactive P-Rh very likely affect the physiological monomer-dimer-tetramer equilibrium of arrestin-1, and should therefore be taken into account when modeling photoreceptor function. PMID: 23277586
  4. Compound heterozygosity of a nonsense R193X mutation and a heterozygous deletion of 3,224 bp encompassing exon 2 in the SAG gene is the cause of Oguchi's disease in a Chinese family. PMID: 22419846
  5. the arrestin 1147delA, which has been known as a frequent cause of Oguchi disease, also may be related to the pathogenesis of autosomal recessive RP. PMID: 21922265
  6. We describe a case of Oguchi disease with unusual findings caused by a putative heterozygous mutation in the SAG gene. PMID: 21987685
  7. maintenance of low levels of the active monomer is the biological role of arrestin-1 self-association PMID: 21288033
  8. Rhodopsin-arrestin complexes alter the morphology of endosomal compartments and severely damage receptor-mediated endocytic functions in retinitis pigmentosa. PMID: 15232620
  9. The existence of 2 novel mutations of the arrestin gene in 2 unrelated Japanese patients strongly supports the previous data that arrestin gene mutations are associated with Oguchi's disease PMID: 15234147
  10. Mutation 926delA of the SAG gene is the main cause of Oguchi disease in Japanese. This mutation appears to have been inherited from a single founder. PMID: 15295660
  11. The tetramer form of arrestin increases the arrestin-binding capacity of microtubules while readily dissociating to supply active monomer when it is needed to quench rhodopsin signaling. PMID: 17332750
  12. ARRESTIN binds to different phosphorylated regions of the thyrotropin-releasing hormone receptor with distinct functional consequences. PMID: 18413662
  13. S-Ag specific T cells are present in certain active Behcet's disease patients, and most of them are activated memory CD4(+) T cells. PMID: 18685727

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Involvement in disease Night blindness, congenital stationary, Oguchi type 1 (CSNBO1); Retinitis pigmentosa 47 (RP47)
Subcellular Location Cell projection, cilium, photoreceptor outer segment, Membrane, Peripheral membrane protein
Protein Families Arrestin family
Tissue Specificity Detected in retina, in the proximal portion of the outer segment of rod photoreceptor cells (at protein level).
Database Links

HGNC: 10521

OMIM: 181031

KEGG: hsa:6295

STRING: 9606.ENSP00000386444

UniGene: Hs.32721

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