Recombinant Human Sepiapterin reductase(SPR)

Code CSB-EP022605HU
Size US$2466
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

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Product Details

Purity Greater than 85% as determined by SDS-PAGE.
Target Names SPR
Uniprot No. P35270
Research Area Signal Transduction
Alternative Names OTTHUMP00000160199; SDR38C1; Sepiapterin reductase (7,8 dihydrobiopterin:NADP+ oxidoreductase); Sepiapterin reductase; Short chain dehydrogenase/reductase family 38C, member 1; SPR; SPRE_HUMAN
Species Homo sapiens (Human)
Source E.coli
Expression Region 1-261aa
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight 32.0 kDa
Protein Length Full Length
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.
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.
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.

Target Data

Function Catalyzes the final one or two reductions in tetra-hydrobiopterin biosynthesis to form 5,6,7,8-tetrahydrobiopterin.
Gene References into Functions
  1. The allele frequencies for the SPR c.596-2A > G (0.7%) polymorphism is not a major cause of Parkinson's disease in the Maltese. PMID: 27613114
  2. We earlier presented evidence for a physical interaction between ODC and SPR and we showed that RNAi-mediated knockdown of SPR expression significantly reduced native ODC enzyme activity and impeded Neuroblastoma cell proliferation. PMID: 26093909
  3. new homozygous mutation in the SPR gene was found in two sisters with dopa-responsive dystonia PMID: 24588500
  4. Authors identified SPR as a novel regulator of ODC enzyme activity and, based on clinical evidence, present a model in which SPR drives ODC-mediated malignant progression in neuroblastoma. PMID: 24096079
  5. SPR-mediated reduction of sepiapterin and redox cycling occur by distinct mechanisms PMID: 23640889
  6. SRD can manifest as early-onset parkinsonism, widening the spectrum of the disease phenotype and adding to the genetic heterogeneity of the disease PMID: 22018912
  7. this large association study for the SPR gene revealed no association for Parkinson disease worldwide. PMID: 21782285
  8. We examine the sleep, sleep-wake rhythms, CSF neurotransmitters, and melatonin profile in a patient with sepiapterin reductase deficiency. PMID: 20337188
  9. haploinsufficiency of SPR can be a rare cause of dopa-responsive dystonia PMID: 15241655
  10. Potentially modulates the onset of or risk for Parkinson's disease. PMID: 16443856
  11. Although association of SPR to Parkinson's disease (PD) is not strong enough to support that this is the PARK3 gene, this study further implicates a role for SPR in idiopathic PD. PMID: 17270157
  12. Genomic DNA revealed the same homozygous point mutation introducing a premature stop codon in the SPR gene in 2 siblings. PMID: 18502672
  13. This reduced transcription rate for SPR promoter haplotypes 2 and 3 may impact on antidepressant response and susceptibility to bipolar disorder. PMID: 19415819

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Involvement in disease Dystonia, DOPA-responsive, due to sepiapterin reductase deficiency (DRDSPRD)
Subcellular Location Cytoplasm
Protein Families Sepiapterin reductase family
Database Links

HGNC: 11257

OMIM: 182125

KEGG: hsa:6697

STRING: 9606.ENSP00000234454

UniGene: Hs.301540

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