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clpB Protein, E.coli (K476C)

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ClpB protein is a key component in the stress-induced multichaperone system, which cooperates with DnaK, DnaJ and GrpE to promote cell recovery from heat-induced injury. Upstream of DnaK, ClpB processes protein aggregates and upon binding stimulates their ATPase activity. clpB Protein, E.coli (K476C) is the recombinant E. coli-derived clpB protein, expressed by E. coli , with tag free.

For research use only. We do not sell to patients.
  • Species: E.coli
  • Source: E. coli
  • Storage:
    Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
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To place orders, for customer services and technical support, please contact: MedChemExpress USA

Tel: 609-228-6898 E-mail: [email protected] [email protected]

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To place orders, for customer services and technical support, please contact:

609-228-6898
[email protected] [email protected]
Find Your Local Distributor Your local distributor: Hycultec GmbHHycultec
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs
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Biological Activity

Description

ClpB protein is a key component in the stress-induced multichaperone system, which cooperates with DnaK, DnaJ and GrpE to promote cell recovery from heat-induced injury. Upstream of DnaK, ClpB processes protein aggregates and upon binding stimulates their ATPase activity. clpB Protein, E.coli (K476C) is the recombinant E. coli-derived clpB protein, expressed by E. coli , with tag free.

Background

ClpB operates as a pivotal component within a stress-induced multi-chaperone system, collaboratively orchestrating cellular recovery from heat-induced damage alongside DnaK, DnaJ, and GrpE. Acting upstream of DnaK, ClpB plays a crucial role in processing protein aggregates, with its ATPase activity stimulated upon protein binding. The ensuing ATP hydrolysis facilitates the unfolding of denatured protein aggregates, potentially exposing new hydrophobic binding sites on ClpB-bound aggregates. This orchestrated process contributes to the solubilization and refolding of denatured protein aggregates, an essential cooperative effort involving DnaK. In its functional state, ClpB forms a homohexamer, and the oligomerization is intricately regulated by ATP, underscoring the dynamic nature of its involvement in cellular stress responses.

Technical Parameters

  • Species E.coli
  • Source E. coli
  • Tag Tag Free
  • Accession

    P63286 (M1-Q857, K476C)

  • Gene ID
    /
  • Molecular Construction
    • N-term
    • clpB (M1-Q857, K476C)
      Accession # P63286
    • C-term
  • Protein Length

    Full Length

  • Synonyms

    clpB; Chaperone protein ClpB

  • AA Sequence

    MRLDRLTNKFQLALADAQSLALGHDNQFIEPLHLMSALLNQEGGSVSPLLTSAGINAGQLRTDINQALNRLPQVEGTGGDVQPSQDLVRVLNLCDKLAQKRGDNFISSELFVLAALESRGTLADILKAAGATTANITQAIEQMRGGESVNDQGAEDQRQALKKYTIDLTERAEQGKLDPVIGRDEEIRRTIQVLQRRTKNNPVLIGEPGVGKTAIVEGLAQRIINGEVPEGLKGRRVLALDMGALVAGAKYRGEFEERLKGVLNDLAKQEGNVILFIDELHTMVGAGKADGAMDAGNMLKPALARGELHCVGATTLDEYRQYIEKDAALERRFQKVFVAEPSVEDTIAILRGLKERYELHHHVQITDPAIVAAATLSHRYIADRQLPDKAIDLIDEAASSIRMQIDSKPEELDRLDRRIIQLKLEQQALMKESDEASKKRLDMLNEELSDKERQYSELEEEWKAEKASLSGTQTICAELEQAKIAIEQARRVGDLARMSELQYGKIPELEKQLEAATQLEGKTMRLLRNKVTDAEIAEVLARWTGIPVSRMMESEREKLLRMEQELHHRVIGQNEAVDAVSNAIRRSRAGLADPNRPIGSFLFLGPTGVGKTELCKALANFMFDSDEAMVRIDMSEFMEKHSVSRLVGAPPGYVGYEEGGYLTEAVRRRPYSVILLDEVEKAHPDVFNILLQVLDDGRLTDGQGRTVDFRNTVVIMTSNLGSDLIQERFGELDYAHMKELVLGVVSHNFRPEFINRIDEVVVFHPLGEQHIASIAQIQLKRLYKRLEERGYEIHISDEALKLLSENGYDPVYGARPLKRAIQQQIENPLAQQILSGELVPGKVIRLEVNEDRIVAVQ

  • Molecular Weight

    Approximately 95 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

    ≥ 90%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Solution

Formulation

Supplied as a 0.22 μm filtered solution of 50 mM Tris-HCl, pH7.5, 200 mM NaCl, 20% glycerol.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

Please use rapid thawing with running water to thaw the protein.

Storage & Stability

Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

Shipping

Shipping with dry ice.

Calculators

Reconstitution Calculator

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

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Dilution Calculator

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The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

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

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

Assay Types
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