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The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
The tables below provides information on the variation of solubility of different substances (mostly inorganic compounds) in water with temperature, at one atmosphere pressure. Units of solubility are given in grams of substance per 100 millilitres of water (g/100 ml), unless shown otherwise. The substances are listed in alphabetical order.
In protein synthesis (such as Fmoc solid-state synthesizers), the N-terminus is often used as the attachment site on which the amino acid monomers are added. To enhance the electrophilicity of carboxylate group, the negatively charged oxygen must first be "activated" into a better leaving group. DCC is used for this purpose.
Schedule 13D is an SEC filing that must be submitted to the US Securities and Exchange Commission within 10 days by anyone who acquires beneficial ownership of more than 5% of any class of publicly traded securities in a public company. A filer must promptly update the Schedule 13D filing to reflect any material change in the facts disclosed ...
Schedule 13G is an alternative SEC filing for the Schedule 13D which can be filed in lieu of Schedule 13D by anyone who acquires more than 5% ownership of a Section 13 security and qualifies for one of the exemptions available to the Schedule 13D filing requirement.
At the end of the synthesis, the crude peptide is cleaved from the solid support while simultaneously removing all protecting groups using a reagent such as trifluoroacetic acid. [2] The crude peptide can be precipitated from a non-polar solvent like diethyl ether in order to remove organic soluble byproducts.
A codon table can be used to translate a genetic code into a sequence of amino acids. [1] [2] The standard genetic code is traditionally represented as an RNA codon table, because when proteins are made in a cell by ribosomes, it is messenger RNA (mRNA) that directs protein synthesis. [2] [3] The mRNA sequence is determined by the sequence of ...
The basic proteoglycan unit consists of a "core protein" with one or more covalently attached glycosaminoglycan (GAG) chain(s). [2] The point of attachment is a serine (Ser) residue to which the glycosaminoglycan is joined through a tetrasaccharide bridge (e.g. chondroitin sulfate - GlcA - Gal -Gal- Xyl -PROTEIN).