Recombinant Protein E7 (E7)

Product Details

Purity
>85% (SDS-PAGE)
Target Names
E7
Uniprot NO.
Species
Human papillomavirus type 1 (Human papillomavirus type 1a)
Source
Yeast
Expression Region
1-93
Target Protein Sequence
MVGEMPALKD LVLQLEPSVL DLDLYCYEEV PPDDIEEELV SPQQPYAVVA SCAYCEKLVR LTVLADHSAI RQLEELLLRS LNIVCPLCTL QRQ
Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.
Protein Length
full length protein
Tag Info
N-terminal His-tagged/Tag-Free
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.
Storage
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.
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.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Customer Reviews and Q&A

 Customer Reviews

Target Background

Function(From Uniprot)
Plays a role in viral genome replication by driving entry of quiescent cells into the cell cycle. Stimulation of progression from G1 to S phase allows the virus to efficiently use the cellular DNA replicating machinery to achieve viral genome replication. E7 protein has both transforming and trans-activating activities. Induces the disassembly of the E2F1 transcription factor from RB1, with subsequent transcriptional activation of E2F1-regulated S-phase genes. Interferes with host histone deacetylation mediated by HDAC1 and HDAC2, leading to transcription activation. Plays also a role in the inhibition of both antiviral and antiproliferative functions of host interferon alpha. Interaction with host TMEM173/STING impairs the ability of TMEM173/STING to sense cytosolic DNA and promote the production of type I interferon (IFN-alpha and IFN-beta).
Gene References into Functions
  1. novel zinc-bound E7-CR3 obligate homodimer has two surface patches of sequence conservation, mutation of these patches reveals that one patch is required for pRb binding, whereas the other is required for E2F binding PMID:16249186
  2. Collectively, these data support the notion that p130 controls the homeostasis of the differentiated keratinocytes and is therefore targeted by E7 for degradation to establish conditions permissive for viral DNA amplification. PMID:18321970
  3. caspase cleavage is induced upon differentiation of HPV positive cells through the action of the DNA damage protein kinase CHK2, which may be activated as a result of E7 binding to the ATM kinase. PMID:19798429

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Subcellular Location
Host cytoplasm. Host nucleus.
Protein Families
Papillomaviridae E7 protein family
Database Links

KEGG: vg:1489171

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