Recombinant Human 26S proteasome complex subunit DSS1 (SHFM1)

Code CSB-YP021263HU
MSDS
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Source Yeast
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Code CSB-EP021263HU
MSDS
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Source E.coli
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Code CSB-EP021263HU-B
MSDS
Size Pls inquire
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-BP021263HU
MSDS
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Source Baculovirus
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Code CSB-MP021263HU
MSDS
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
SEM1
Uniprot No.
Alternative Names
SEM1; C7orf76; DSS1; SHFDG1; SHFM1; 26S proteasome complex subunit SEM1; 26S proteasome complex subunit DSS1; Deleted in split hand/split foot protein 1; Split hand/foot deleted protein 1; Split hand/foot malformation type 1 protein
Species
Homo sapiens (Human)
Expression Region
1-70
Target Protein Sequence
MSEKKQPVDL GLLEEDDEFE EFPAEDWAGL DEDEDAHVWE DNWDDDNVED DFSNQLRAEL EKHGYKMETS
Protein Length
Full length protein
Tag Info
Tag type will be determined during the manufacturing process.
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
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 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.
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
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°C for up to one week.
Datasheet
Please contact us to get it.

Customer Reviews and Q&A

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Target Background

Function
Component of the 26S proteasome, a multiprotein complex involved in the ATP-dependent degradation of ubiquitinated proteins. This complex plays a key role in the maintenance of protein homeostasis by removing misfolded or damaged proteins, which could impair cellular functions, and by removing proteins whose functions are no longer required. Therefore, the proteasome participates in numerous cellular processes, including cell cycle progression, apoptosis, or DNA damage repair. Component of the TREX-2 complex (transcription and export complex 2), composed of at least ENY2, GANP, PCID2, SEM1, and either centrin CETN2 or CETN3. The TREX-2 complex functions in docking export-competent ribonucleoprotein particles (mRNPs) to the nuclear entrance of the nuclear pore complex (nuclear basket). TREX-2 participates in mRNA export and accurate chromatin positioning in the nucleus by tethering genes to the nuclear periphery. Binds and stabilizes BRCA2 and is thus involved in the control of R-loop-associated DNA damage and thus transcription-associated genomic instability. R-loop accumulation increases in SEM1-depleted cells.
Gene References into Functions
  1. Promoter methylation plays a role in modulating DSS1 gene expression. Promoter hypomethylation is a frequent event in melanoma and squamous cell carcinoma and is closely linked to poor prognosis. PMID: 27825810
  2. DSS1 is a multifunctional and intrinsically disordered protein. (Review) PMID: 26944332
  3. three phenotypic subregions within the SHFM1 locus link both size and genomic position of the chromosomal aberrations to the clinical variability seen in SHFM1 patients PMID: 26839112
  4. SHFM1 confers cell cycle progression and resistance to p53 stabilizing drugs in gastric cancer cells. PMID: 25697906
  5. by targeting RPA and mimicking DNA, DSS1 functions with BRCA2 in a two-component homologous recombination mediator complex in genome maintenance and tumor suppression PMID: 26145171
  6. Breast cancers with high DSS1 expression have worse prognosis and shorter relapse-free survival times. PMID: 24289229
  7. Mutation screening of the SHFM1 gene in familial breast/ovarian cancer cases. PMID: 23371468
  8. DSS1 protein is critically involved in the maintenance of the transformed phenotype in cervical cancer cells, and that it might be a specific, robust and reliable marker for early detection, diagnosis and trea PMID: 23024267
  9. DSS1 has a role in homologous recombinational repair in human cells PMID: 20817001
  10. p63 binds to an enhancer element in the SHFM1 locus and this element controls expression of DLX6 and DLX5 which are important for limb development. PMID: 20808887
  11. The DSS1 c.143G>A variant is associated with reduced DSS1 expression at RNA and protein levels and altered traffic of the DSS1 protein from the cytoplasm to the nucleus. These alterations could impair DSS1 function and may be implicated in skin cancer. PMID: 20220765
  12. 3.1 angstrom crystal structure of approximately 90-kilodalton BRCA2 domain bound to DSS1, which reveals three oligonucleotide-binding (OB) folds and a helix-turn-helix (HTH) motif PMID: 12228710
  13. DSS1, responsible for autism, was studied in a linkage disequilibrium model. PMID: 17406092
  14. DSS1 has been shown to interact with components of the 26S proteasome in Saccharomyces cerevisiae and in human tumour cells PMID: 17563742
  15. Data suggest that the R3IM motif of DSS1, in conjunction with the complexes of 19S RP and 20S core particle, regulates proteasome interaction through RPN3/S3 molecule, and utilizes a specific subset of poly-ubiquitinated p53 as a substrate. PMID: 18775730

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Subcellular Location
Nucleus.
Protein Families
DSS1/SEM1 family
Tissue Specificity
Expressed in limb bud, craniofacial primordia and skin.
Database Links

HGNC: 10845

OMIM: 601285

STRING: 9606.ENSP00000248566

UniGene: Hs.489201

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