Flashcards in Chapter 1 - AA, Peps And Proteins Deck (13):
Memorize 20 amino acids, three letter abbrev, one letter, and general type
Make flash card deck
What AA is not optically active?
What is the absolute configuration of all chiral AAs? What is the one exception?
**L amino acids
Cysteine is S (SSSSysteine)
What are the seven nonpolar, nonaromatic AAs?
Three aromatic AAs
AA with polar side chains (5)
Serine and Thréonine (OH groups)
Asparagine and glutamine (amide)
Cystine (Thiol group)
Negatively charged AAs
Aspartic acid and glutamic acid
Positively charged AAs
1 letter abbreviation for:
aspartic acid: D
glutamic acid: E
Phenylalanine : F
What if pH < pKa
pH > pKa
pH = pKa
pH < pKa : protonated
PpH > pKa: deprotonated
What are the pKa values for the carboxyl group and amino groups respectively?
COOH = 2
NH2 = 9
Which AAs have chiral carbons in their side chains?
Threonine and Isoleucine