The vial can be reconstituted with 1.0 mL of sterile water. Each vial contains 1 mg of Diphtheria toxin CRM mutant, sodium phosphate buffer, and lactose. It can sometimes be hard to get the product into solution due to the lactose used as a stabilizer. The supplier suggests slight warming (to at least room temperature or 30 °C, but not more than 37 °C) followed by a brief vortex to break up the filaments.
D2189
Recombinant CRM197 expressed in Pseudomonas fluorescens, [Glu52]- Diphtheria toxin
lyophilized powder
Synonym(s):
[Glu52]-Diphtheria toxin from Corynebacterium diphtheriae, CRM 197
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About This Item
CAS Number:
UNSPSC Code:
12352202
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Packaging
Package size based on protein content
Physical form
Lyophilized powder containing sodium phosphate, sucrose and polysorbate 80
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Antitumor effects of CRM197, a specific inhibitor of HB-EGF, in T-cell acute lymphoblastic leukemia.
Naoko Kunami et al.
Anticancer research, 31(7), 2483-2488 (2011-08-30)
The therapeutic outcome for T-cell acute lymphoblastic leukemia (T-ALL) remains poor; thus, novel, targeted therapies are urgently needed. Recently, we showed that heparin-binding epidermal growth factor-like growth factor (HB-EGF), a member of the EGF family, is a promising target for
F Micoli et al.
Vaccine, 30(5), 853-861 (2011-12-17)
A conjugate vaccine for Salmonella enterica serovar Typhi was produced by chemically linking Vi, purified from Citrobacter, to the non-toxic mutant diphtheria toxin CRM(197) via an adipic dihydrazide spacer using N-(3-Dimethylaminopropyl)-N'-ethylcarbodiimide coupling chemistry. The polysaccharide purification process was developed based
Enrico Malito et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(14), 5229-5234 (2012-03-21)
CRM197 is an enzymatically inactive and nontoxic form of diphtheria toxin that contains a single amino acid substitution (G52E). Being naturally nontoxic, CRM197 is an ideal carrier protein for conjugate vaccines against encapsulated bacteria and is currently used to vaccinate
Fabio Fiorino et al.
Vaccine, 30(43), 6111-6114 (2012-06-19)
Typhoid fever is a public health problem, especially among young children in developing countries. To address this need, a glycoconjugate vaccine Vi-CRM₁₉₇, composed of the polysaccharide antigen Vi covalently conjugated to the non-toxic mutant of diphtheria toxin CRM₁₉₇, is under
Mary F Fontana et al.
PLoS pathogens, 12(12), e1006046-e1006046 (2016-12-07)
Dynamic regulation of leukocyte population size and activation state is crucial for an effective immune response. In malaria, Plasmodium parasites elicit robust host expansion of macrophages and monocytes, but the underlying mechanisms remain unclear. Here we show that myeloid expansion
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How do I reconstitute Product D2189, [Glu52]-Diphtheria toxin from Corynebacterium diphtheriae?
1 answer-
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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What is the molecular weight of Product D2189, [Glu52]-Diphtheria toxin from Corynebacterium diphtheriae?
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On reducing SDS gels, this protein migrates as a single band of an approximate molecular weight of 63,000 Daltons.
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What kind of mutant, is Product D2189, [Glu52]-Diphtheria toxin from Corynebacterium diphtheriae, and how is this product different from Product No. D0564?
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Product No. D0564 is the wild-type toxin and possesses enzymatic activity. The Glu52 diptheria toxin, also known as CRM197, has a mutation in fragment A (a glycine to glutamic acid substitution at position 52) that results in the complete loss of enzymatic activity. More information on the mutant can be found in the following reference: Uchida, T., Pappenheimer, Jr., A.M. and Harper, A.A., J. Biol. Chem., 248, 3851-3854 (1973).
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