Recombinant Mycobacterium tuberculosis ESAT-6-like protein EsxB (esxB)

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Code CSB-EP363658MVZ
MSDS
Size US$388
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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

Purity
Greater than 90% as determined by SDS-PAGE.
Target Names
esxB
Uniprot No.
Research Area
Others
Alternative Names
esxB; cfp10; lhp; mtsA10; MT3988ESAT-6-like protein EsxB; 10 kDa culture filtrate antigen CFP-10; Secreted antigenic protein MTSA-10
Species
Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh)
Source
E.coli
Expression Region
2-100aa
Target Protein Sequence
AEMKTDAATLAQEAGNFERISGDLKTQIDQVESTAGSLQGQWRGAAGTAAQAAVVRFQEAANKQKQELDEISTNIRQAGVQYSRADEEQQQALSSQMGF
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
14.7
Protein Length
Full Length of Mature Protein
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
Tris-based buffer,50% glycerol
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
3-7 business days
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.
Description

This recombinant M.tb esxB protein is an E.coli expressed protein (Full Length of Mature Protein) with N-terminal 6xHis tag and its purity is 90%+ determined by SDS-PAGE. With the appropriate cDNA and PCR methods, esxB expression plasmids can be rapidly produced. which must undergo denaturation and folding cycle, can be recovered with more modest yields. Hence, using small-scale fermentations and laboratory-scale processing equipment, esxB proteins (or subdomains thereof) can usually be produced in sufficient quantities to initiate most studies including detailed structural determinations.which must undergo denaturation and folding cycle, can be recovered with more modest yields. Hence, using small-scale fermentations and laboratory-scale processing equipment, esxB proteins (or subdomains thereof) can usually be produced in sufficient quantities to initiate most studies including detailed structural determinations.

esxB, also called CFP-10, is a Mycobacterium tuberculosis secreted antigen that contributes to viral virulence and pathogenicity. CFP-10 and ESAT-6 forms a 1:1 heterodimeric complex that plays a critical role in the pathogenesis of tuberculosis (TB). Amanda Welin et al. has shown that the ESAT-6/CFP-10 complex induces a transient release of Ca2+ from intracellular stores in human neutrophils. CFP-10 rather than ESAT-6 was responsible for triggering the Ca2+ response, in a pertussis toxin-sensitive manner, implying the participation of a GPCR.

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Target Background

Function
A secreted protein. Acts as a strong host T-cell antigen. Involved in translocation of bacteria from the host (human) phagolysosome to the host cytoplasm. Might serve as a chaperone to prevent uncontrolled membrane lysis by its partner EsxA.
Subcellular Location
Secreted.
Protein Families
WXG100 family, CFP-10 subfamily
Database Links

KEGG: mtc:MT3988

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