The 21 proteinogenic Î±-amino acids found in eukaryotes, grouped according to their side chains' pKa values and charges carried at physiological pH 7.4. Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid. The key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen, though other elements are found in the side chains of certain amino acids.
Kate in her final days at St Andrew's school, where she had an established circle of friends. When Kate Middleton asked her wedding guests to donate to an anti-bullying charity, the message seemed clear.
Pippa Middleton steals the show at sister Kate Middleton's wedding at Westminster Abbey. Pippa Middleton is considered one of England's most eligible women. It was supposed to be Kate Middleton's big day - but her younger sister Pippa made heads turn. Social media sites exploded when Kate's stunning maid of honor stepped out of a Rolls-Royce wearing a neckline-plunging, figure-hugging ivory dress.