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Transcription termination factor Rho Protein, E.coli (His)

Cat. No.: HY-P71705
COA Handling Instructions

The transcription terminator Rho protein plays a key role in promoting transcription termination through a mechanism that binds to nascent RNA, activates Rho's RNA-dependent ATPase activity, and subsequently releases mRNA from the DNA template. As an RNA-dependent NTPase, Rho utilizes all four ribonucleoside triphosphates as substrates, highlighting its versatility in nucleotide interactions during termination. Transcription termination factor Rho Protein, E.coli (His) is the recombinant E. coli-derived Transcription termination factor Rho protein, expressed by E. coli , with N-6*His labeled tag. The total length of Transcription termination factor Rho Protein, E.coli (His) is 419 a.a., with molecular weight of ~51.0 kDa.

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Description

The transcription terminator Rho protein plays a key role in promoting transcription termination through a mechanism that binds to nascent RNA, activates Rho's RNA-dependent ATPase activity, and subsequently releases mRNA from the DNA template. As an RNA-dependent NTPase, Rho utilizes all four ribonucleoside triphosphates as substrates, highlighting its versatility in nucleotide interactions during termination. Transcription termination factor Rho Protein, E.coli (His) is the recombinant E. coli-derived Transcription termination factor Rho protein, expressed by E. coli , with N-6*His labeled tag. The total length of Transcription termination factor Rho Protein, E.coli (His) is 419 a.a., with molecular weight of ~51.0 kDa.

Background

The Transcription termination factor Rho protein, crucial for the regulation of gene expression, facilitates transcription termination through a well-defined mechanism. This process involves Rho binding to the nascent RNA, activation of Rho's RNA-dependent ATPase activity, and subsequent release of the mRNA from the DNA template. As an RNA-dependent NTPase, Rho utilizes all four ribonucleoside triphosphates as substrates, highlighting its versatility in nucleotide interactions during the termination process. Notably, the ATPase activity of Rho is susceptible to inhibition by bicyclomycin and dihydrobicyclomycin, providing potential avenues for pharmacological modulation of Rho-mediated transcription termination.

Species

E.coli

Source

E. coli

Tag

N-6*His

Accession

P0AG30 (M1-S419)

Gene ID

948297  [NCBI]

Molecular Construction
N-term
6*His
Rho factor (M1-S419)
Accession # P0AG30
C-term
Synonyms
rho; nitA; psuA; rnsC; sbaA; tsu; b3783; JW3756; Transcription termination factor Rho; ATP-dependent helicase Rho
AA Sequence

MNLTELKNTPVSELITLGENMGLENLARMRKQDIIFAILKQHAKSGEDIFGDGVLEILQDGFGFLRSADSSYLAGPDDIYVSPSQIRRFNLRTGDTISGKIRPPKEGERYFALLKVNEVNFDKPENARNKILFENLTPLHANSRLRMERGNGSTEDLTARVLDLASPIGRGQRGLIVAPPKAGKTMLLQNIAQSIAYNHPDCVLMVLLIDERPEEVTEMQRLVKGEVVASTFDEPASRHVQVAEMVIEKAKRLVEHKKDVIILLDSITRLARAYNTVVPASGKVLTGGVDANALHRPKRFFGAARNVEEGGSLTIIATALIDTGSKMDEVIYEEFKGTGNMELHLSRKIAEKRVFPAIDYNRSGTRKEELLTTQEELQKMWILRKIIHPMGEIDAMEFLINKLAMTKTNDDFFEMMKRS

Molecular Weight

Approximately 51.0 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μ m sterile filtered 20 mM Tris-HCl, 0.5 M NaCl, 6%Trehalose, pH 8.0.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation

Transcription termination factor Rho Protein, E.coli (His) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Transcription termination factor Rho Protein, E.coli (His)
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HY-P71705
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