Recombinant Human Elongin-C (ELOC),Biotinylated

Code CSB-EP023281HU-B
Size $390
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Greater than 85% as determined by SDS-PAGE.
Target Names
Uniprot No.
Research Area
Alternative Names
(EloC)(Elongin 15 kDa subunit)(RNA polymerase II transcription factor SIII subunit C)(SIII p15)(Transcription elongation factor B polypeptide 1)
Homo sapiens (Human)
Expression Region
Target Protein Sequence
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
60.2 kDa
Protein Length
Full Length of Mature Protein
Tag Info
N-terminal MBP-tagged and C-terminal 6xHis-Avi-tagged
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.
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
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.
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

SIII, also known as elongin, is a general transcription elongation factor that increases the RNA polymerase II transcription elongation past template-encoded arresting sites. Subunit A is transcriptionally active and its transcription activity is strongly enhanced by binding to the dimeric complex of the SIII regulatory subunits B and C (elongin BC complex). In embryonic stem cells, the elongin BC complex is recruited by EPOP to Polycomb group (PcG) target genes in order generate genomic region that display both active and repressive chromatin properties, an important feature of pluripotent stem cells.; Core component of multiple cullin-RING-based ECS (ElonginB/C-CUL2/5-SOCS-box protein) E3 ubiquitin-protein ligase complexes, which mediate the ubiquitination of target proteins. This includes the von Hippel-Lindau ubiquitination complex CBC(VHL). By binding to BC-box motifs it seems to link target recruitment subunits, like VHL and members of the SOCS box family, to Cullin/RBX1 modules that activate E2 ubiquitination enzymes. A number of ECS complexes (containing either KLHDC2, KLHDC3, KLHDC10, APPBP2, FEM1A, FEM1B or FEM1C as substrate-recognition component) are part of the DesCEND (destruction via C-end degrons) pathway, which recognizes a C-degron located at the extreme C terminus of target proteins, leading to their ubiquitination and degradation.
Gene References into Functions
  1. crystals of SOCS2 in complex with its adaptor proteins, Elongin C and Elongin B, underwent a change in crystallographic parameters when treated with dimethyl sulfoxide during soaking experiments. PMID: 26121586
  2. TCEB1-mutated renal cell carcinoma is a distinct entity with recurrent hotspot mutations, specific copy number alterations, pathway activation, and characteristic morphological features. PMID: 25676555
  3. The crystal structure of VHL bound to a Cul2 N-terminal domain, Elongin B, and Elongin C. PMID: 25661653
  4. Vif interaction with EloB-EloC may contribute to recruitment of CBF-beta to Vif, demonstrating that the EloB C-teminus may play a role in improving Vif function and that the over-expression of EloB results in Vif stabilization. PMID: 23988114
  5. AFF1 is a ubiquitous P-TEFb partner; full Tat transactivation requires the complete super elongation complexes PMID: 24367103
  6. ASB9 is unstable alone but forms a stable ternary complex with EloBC that binds with high affinity to the Cullin 5 N-terminal domain. PMID: 23837592
  7. PRAME expression in leukaemic cell lines is upregulated by IFN gamma and LPS, suggesting a possible role in immune responses. PRAME associates with Elongin BC complexes by binding Elongin C. PMID: 23460923
  8. TCEB1 and SELC14L1 are good candidate markers for predicting prognosis and progression of prostate cancer. PMID: 23083832
  9. Functional interaction of Notch4(ICD) and Elongin C provides novel insight into regulation of Notch signaling in epithelial cell biology and disease. PMID: 22001063
  10. Recombinant full-length Vif interacted with the Elongin BC complex in vitro with a K(d) of 1.9 muM and resulted in observable changes in deuterium uptake in both Elongin C and B. PMID: 20728451
  11. These findings suggest that Elongin c may be one of the target genes for amplification of 8q21 PMID: 12004003
  12. findings report that HIV-1 Vif interacts with cellular proteins Cul5, elongins B and C, and Rbx1 to form an Skp1-cullin-F-box (SCF)-like complex PMID: 14564014
  13. specific Elongin C and Skp1 sequences determine Cullin selection PMID: 15280393
  14. show that ASB2, by interacting with the Elongin BC complex, can assemble with Cullin5.Rbx1 to form an E3 ubiquitin ligase complex that stimulates polyubiquitination by the E2 ubiquitin-conjugating enzyme Ubc5 PMID: 15590664
  15. the E3 ubiquitin ligase activity of the Vif-BC-Cul5 complex is essential for Vif function against APOBEC3G PMID: 15781449
  16. Results describe the 1.9-A crystal structure of the ternary complex of SOCS2 with elongin C and elongin B. PMID: 16675548
  17. Elongin B/C recruitment regulates substrate binding by CIS PMID: 18508766
  18. TCEB1 promotes invasion of prostate cancer cells and is involved in development of hormone-refractory prostate cancer PMID: 18844214

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Subcellular Location
Protein Families
SKP1 family
Tissue Specificity
Overexpressed in prostate cancer cell line PC-3 and breast cancer cell line SK-BR-3.
Database Links

HGNC: 11617

OMIM: 600788

KEGG: hsa:6921

STRING: 9606.ENSP00000284811

UniGene: Hs.533437

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