Amino acids

Amino acids

general structure of α − \alpha - α−Amino Acids

classification of common α − \alpha - α−Amino Acids

• nonpolar,aliphatic

  name	three-letters abbreviation	one-letter abbreviation
  Glycine甘氨酸	Gly	G
  Alanine丙氨酸	Ala	A
  Proline脯氨酸	Pro	P
  Valine缬氨酸	Val	V
  Leucin亮氨酸	Leu	L
  Isoleucine异亮氨酸	Ile	I
  Methionine甲硫氨酸	Met	M

  

• aromatic

  name	three-letters abbreviation	one-letter abbreviation
  Phenylalanine苯丙氨酸	Phe	F
  Tyrosine酪氨酸	Tyr	Y
  Tryptophan色氨酸	Trp	W

  can be studied via ultraviolet light
  

• polar,uncharged

  name	three-letters abbreviation	one-letter abbreviation
  Serine丝氨酸	Ser	S
  Thtronine苏氨酸	Thr	T
  Cysteine巯基丙氨酸	Cys	C
  Asparagine天冬氨酸	Asn	N
  Glutamine谷氨酰胺	Gln	Q

  

• positively charged(basic)

  name	three-letters abbreviation	one-letter abbreviation
  Lysine赖氨酸	Lys	K
  Arginine精氨酸	Arg	R
  Histidine组氨酸	His	H

  

• negatively charged(acidic)

  name	three-letters abbreviation	one-letter abbreviation
  Aspartate天冬氨酸		D
  Glutamate谷氨酸		E