ccdB Antibody

Code CSB-PA352344XA01ENV
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Product Details

Full Product Name
Rabbit anti-Escherichia coli (strain K12) ccdB Polyclonal antibody
Uniprot No.
Target Names
ccdB
Alternative Names
ccdB antibody; G antibody; letB antibody; letD antibody; ECOK12F043Toxin CcdB antibody; Cytotoxic protein CcdB antibody; LynB antibody; Protein G antibody; Protein LetD antibody
Raised in
Rabbit
Species Reactivity
Escherichia coli (strain K12)
Immunogen
Recombinant Escherichia coli (strain K12) ccdB protein
Immunogen Species
Escherichia coli (strain K12)
Conjugate
Non-conjugated
Clonality
Polyclonal
Isotype
IgG
Purification Method
Antigen Affinity Purified
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Tested Applications
ELISA, WB (ensure identification of antigen)
Protocols
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Value-added Deliverables
① 200ug * antigen (positive control);
② 1ml * Pre-immune serum (negative control);
Quality Guarantee
① Antibody purity can be guaranteed above 90% by SDS-PAGE detection;
② ELISA titer can be guaranteed 1: 64,000;
③ WB validation with antigen can be guaranteed positive;
Lead Time
Made-to-order (14-16 weeks)

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Target Background

Function
Toxic component of a type II toxin-antitoxin (TA) system, functioning in plasmid maintainence. Responsible for the post-segregational killing (PSK) of plasmid-free cells, also referred to as a plasmid addiction system. Half-life of over 2 hours. Cell killing by CcdB is accompanied by filamentation, defects in chromosome and plasmid segregation, defects in cell division, formation of anucleate cells, decreased DNA synthesis and plasmid loss. Interferes with the activity of DNA gyrase, inducing it to form a covalent GyrA-DNA complex that cannot be resolved, thus promoting breakage of plasmid and chromosomal DNA. DNA breakage requires hydrolyzable ATP. Toxicity is inhibited by labile antitoxin CcdA, which blocks the activity of CcdB; CcdA also removes bound CcdB protein from the CcdB-GyrA complex by forming a CcdA-CcdB complex, a process termed rejuvenation. Also acts to inhibit partitioning of the chromosomal DNA. Functions as a transcriptional corepressor for the ccdAB operon, repression also requires CcdA.
Gene References into Functions
  1. Model analysis of experimental data indicates that bacterial toxin CcdB binding to DNA gyrase is an enthalpic process driven mainly by specific interactions between CcdB and the highly stable dimerization domain of the gyrase A subunit. PMID: 19465484
Protein Families
CcdB toxin family
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301-363-4651 (Available 9 a.m. to 5 p.m. CST from Monday to Friday)
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7505 Fannin St., Ste 610, Room 7 (CUBIO Innovation Center), Houston, TX 77054, USA
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