There will be a HazMat fee per item when shipping a dangerous goods. The HazMat fee will be charged to your UPS/DHL/FedEx collect account or added to the invoice unless the package is shipped via Ground service. Ship by air in Excepted Quantity (each bottle), which is up to 1g/1mL for class 6.1 packing group I or II, and up to 25g/25ml for all other HazMat items.
Type | HazMat fee for 500 gram (Estimated) |
Excepted Quantity | USD 0.00 |
Limited Quantity | USD 15-60 |
Inaccessible (Haz class 6.1), Domestic | USD 80+ |
Inaccessible (Haz class 6.1), International | USD 150+ |
Accessible (Haz class 3, 4, 5 or 8), Domestic | USD 100+ |
Accessible (Haz class 3, 4, 5 or 8), International | USD 200+ |
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Zhou, Jujun ; Deng, Youchao ; Iyamu, Iredia D. , et al. ACS Chem. Biol.,2023,18(4):734-745. DOI: 10.1021/acschembio.3c00035 PubMed ID: 37082867
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Abstract: S-Adenosyl-L-methionine (SAM) analogs are adaptable tools for studying and therapeutically inhibiting SAM-dependent methyltransferases (MTases). Some MTases play significant roles in host-pathogen interactions, one of which is Clostridioides difficile-specific DNA adenine MTase (CamA). CamA is needed for efficient sporulation and alters persistence in the colon. To discover potent and selective CamA inhibitors, we explored modifications of the solvent-exposed edge of the SAM adenosine moiety. Starting from the two parental compounds (6e and 7), we designed an adenosine analog (11a) carrying a 3-phenylpropyl moiety at the adenine N6-amino group, and a 3-(cyclohexylmethyl guanidine)-Et moiety at the sulfur atom off the ribose ring. Compound 11a (IC50 = 0.15 μM) is 10x and 5x more potent against CamA than 6e and 7, resp. The structure of the CamA-DNA-inhibitor complex revealed that 11a adopts a U-shaped conformation, with the two branches folded toward each other, and the aliphatic and aromatic rings at the two ends interacting with one another. 11a occupies the entire hydrophobic surface (apparently unique to CamA) next to the adenosine binding site. Our work presents a hybrid knowledge-based and fragment-based approach to generating CamA inhibitors that would be chem. agents to examine the mechanism(s) of action and therapeutic potentials of CamA in C. difficile infection.
Purchased from AmBeed: 2086772-26-9 ; 73-24-5 ; 83948-53-2 ; 39684-80-5 ; 58-61-7 ; 2004-06-0 ; 2038-57-5 ; 199915-38-3 ; 3218-02-8 ; 1561178-17-3 ; 58944-73-3 ; 29908-03-0 ; 2040291-27-6
CAS No. : | 1561178-17-3 | MDL No. : | MFCD26523136 |
Formula : | C28H40BrN7O4 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | IQCKJUKAQJINMK-HUBRGWSESA-N |
M.W : | 618.57 | Pubchem ID : | 56962337 |
Synonyms : |
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Chemical Name : | 1-(3-((((2R,3S,4R,5R)-5-(4-Amino-5-bromo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl)(isopropyl)amino)propyl)-3-(4-(tert-butyl)phenyl)urea |
Signal Word: | Danger | Class: | 6.1 |
Precautionary Statements: | P301+P310 | UN#: | 2811 |
Hazard Statements: | H301 | Packing Group: | Ⅲ |
GHS Pictogram: |