Recombinant Transcriptional regulatory protein CpxR (cpxR)

SKU: P0AE90

Size: 100ug. Other sizes are also available.

Activity: Not tested

Research Areas: Others

Uniprot ID: P0AE90

Gene Names: cpxR

Alternative Name(s):

Abbreviation: Recombinant Shigella flexneri cpxR protein

Organism: Shigella flexneri

Source: E.coli

Expression Region: 1-232aa

Protein Length: Full Length

Tag Info: N-terminal 6xHis-KSI-tagged

Target Protein Sequence: MNKILLVDDDRELTSLLKELLEMEGFNVIVAHDGEQALDLLDDSIDLLLLDVMMPKKNGIDTLKALRQTHQTPVIMLTARGSELDRVLGLELGADDYLPKPFNDRELVARIRAILRRSHWSEQQQNNDNGSPTLEVDALVLNPGRQEASFDGQTLELTGTEFTLLYLLAQHLGQVVSREHLSQEVLGKRLTPFDRAIDMHISNLRRKLPDRKDGHPWFKTLRGRGYLMVSAS

MW: 41.6 kDa

Purity: Greater than 85% as determined by SDS-PAGE.

Endotoxin: Not test

Biological_Activity:

Form: Liquid or Lyophilized powder

Buffer: 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.

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.

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℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.

Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.

Relevance: Member of the two-component regulatory system CpxA/CpxR. This system combats a variety of extracytoplasmic protein-mediated toxicities. It performs this function by increasing the synthesis of the periplasmic protease, DegP as well as that of CpxP protein.

Reference: "Genome sequence of Shigella flexneri 2a: insights into pathogenicity through comparison with genomes of Escherichia coli K12 and O157." Jin Q., Yuan Z., Xu J., Wang Y., Shen Y., Lu W., Wang J., Liu H., Yang J., Yang F., Zhang X., Zhang J., Yang G., Wu H., Qu D., Dong J., Sun L., Xue Y. Yu J. Nucleic Acids Res. 30: 4432-4441(2002)

Function: