Recombinant Human Hermansky-Pudlak syndrome 1 protein(HPS1)

Code CSB-EP856438HU
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 90% as determined by SDS-PAGE.
Target Names HPS1
Uniprot No. Q92902
Research Area Signal Transduction
Alternative Names Hermansky Pudlak syndrome 1 protein; Hermansky Pudlak syndrome gene; Hermansky Pudlak syndrome type 1; Hermansky-Pudlak syndrome 1; Hermansky-Pudlak syndrome 1 protein; HPS; HPS1; HPS1_HUMAN; MGC5277
Species Homo sapiens (Human)
Source E.coli
Expression Region 1-324aa
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight 63.5kDa
Protein Length Full Length of Isoform III
Tag Info N-terminal GST-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.

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Target Data

Function Component of the BLOC-3 complex, a complex that acts as a guanine exchange factor (GEF) for RAB32 and RAB38, promotes the exchange of GDP to GTP, converting them from an inactive GDP-bound form into an active GTP-bound form. The BLOC-3 complex plays an important role in the control of melanin production and melanosome biogenesis and promotes the membrane localization of RAB32 and RAB38
Gene References into Functions
  1. HPS1 mutation is associated with high hypopigmentation in Hermansky-Pudlak syndrome. PMID: 27593200
  2. BLOC-3 is a Rab32 and Rab38 guanine nucleotide exchange factor, with a specific function in the biogenesis of lysosome-related organelles. Silencing of the BLOC-3 subunits Hps1 and Hps4 results in the mislocalization of Rab32 and Rab38. PMID: 23084991
  3. Seven mutations (six previously unreported) were described in the HPS1, HPS4, and HPS5 genes among Hermansky-Pudlak Syndrome patients of Mexican, Uruguayan, Honduran, Cuban, Venezuelan, and Salvadoran ancestries. PMID: 21833017
  4. a previously unreported missense mutation (G313S) at the 3' splice junction of exon 10 of Hermansky-Pudlak syndrome 1 protein resulted in activation of a cryptic intronic splice site causing an aberrantly spliced HPS1 mRNA PMID: 20662851
  5. Three different mutations in the HPS1 gene were found in the two families. PMID: 20514622
  6. Data show that recombinant HPS1-HPS4 produced in insect cells can be efficiently isolated as a 1:1 heterodimer, and might function as a Rab9 effector in the biogenesis of lysosome-related organelles. PMID: 20048159
  7. Description of mutations in HPS genes that cause Hermansky-Pudlak syndrome (review) PMID: 12125811
  8. Four novel mutations were discovered and the diagnosis of HPS-1, available only on molecular grounds, has important prognostic and treatment implications. PMID: 12442288
  9. identification as a component of two complexes, BLOC-3 and BLOC-4, involved in the biogenesis of lysosome-related organelles PMID: 12663659
  10. observations demonstrate that the Hermansky-Pudlak syndrome 1(HPS1) and HPS4 proteins are components of a cytosolic complex that is involved in the biogenesis of lysosomal-related organelles PMID: 12756248
  11. Biogenesis of lysosome-related organelles complex 3 (BLOC-3): a complex containing the Hermansky-Pudlak syndrome (HPS) proteins HPS1 and HPS4. PMID: 12847290
  12. Mutations in this gene are associated with Hermansky-Pudlak syndrome type 1. PMID: 16020891
  13. The first case report of a Chinese Hermansky-Pudlak syndrome patient with a novel mutation on HPS1 gene. PMID: 19665357

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Involvement in disease Hermansky-Pudlak syndrome 1 (HPS1)
Tissue Specificity Ubiquitous.
Database Links

HGNC: 5163

OMIM: 203300

KEGG: hsa:3257

STRING: 9606.ENSP00000326649

UniGene: Hs.404568


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