Figure 1: DDAH fold and comparison with the amidinotransferases. The DDAH active site lies in a negatively charged cleft at the center of the barrel. In the apo-form of the enzyme, this site is open ...
Soaps play a vital role in keeping clean. They are salts made from the alkaline hydrolysis of fats and oils (triglycerides). Fat molecules contain three ester links. These can be hydrolysed when they ...
S&P 500 index tumbles 1.2%. 'The volatility is communicating like an upset stomach - don't ignore it,' one analyst says. The S&P 500 index fell into negative territory for the year on Thursday, while ...
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