Exam 1- Amino Acids Flashcards
Aliphatic amino acids in order of increasing hydrophobicity
Glycine, Alanine, Valine, Leucine, Proline, Isolecuine
Precursor for heme and purines
Glycine
Precursor for glucose in GNG
Alanine
Constrains protein shape
Proline
Branched chain amino acids
Valine, Leucine, Isoleucine
Disease caused by inability to catabolism BCAA’s
Maple Syrup Urine Disease
Amino acids containing hydroxyl and sulfur side chains
Methionine, cysteine, serine, and threonine
Major source of methyl groups
Methionine
Disulfide linkage
Cysteine
Sphingolipid synthesis
Serine
Amino acid’s with hydroxyl group, frequently found in proteins and turn enzymes on/off
Serine and threonine
Aromatic amino acids
Phenylalanine, tyrosine, and tryptophan
Most hydrophobic aa
Phenylalanine
Defect caused by inability to metabolize phenylalanine
Phenylketonuria (PKU)
Tyrosine is a precursor for
Thyroid hormone, catecholeamines, dopa, melanin