Amino Acids - Stuchebrukhov Group

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Stuchebrukhov research group Department of Chemistry University of California at Davis amino acids

Name Abbrev. pKa (side chain) Formula Structure

Alanine Ala A CH3-CH(NH2)-COOH

Arginine Arg R 12.48 HN=C(NH2)-NH-(CH2)3-CH(NH2)-COOH

Asparagine Asn N H2N-CO-CH2-CH(NH2)-COOH

Aspartic acid Asp D 3.90 HOOC-CH2-CH(NH2)-COOH

Cysteine Cys C 8.37 HS-CH2-CH(NH2)-COOH

Glutamine Gln Q H2N-CO-(CH2)2-CH(NH2)-COOH

Glutamic acid Glu E 4.07 HOOC-(CH2)2-CH(NH2)-COOH

Glycine Gly G NH2-CH2-COOH

Histidine His H 6.04 N=C-NH-C=C-CH2-CH(NH2)-COOH |________|

Isoleucine Ile I CH3-CH2-CH(CH3)-CH(NH2)-COOH

Leucine Leu L (CH3)2-CH-CH2-CH(NH2)-COOH

Lysine Lys K 10.54 H2N-(CH2)4-CH(NH2)-COOH

Methionine Met M CH3-S-(CH2)2-CH(NH2)-COOH

Phenylalanine Phe F Ph-CH2-CH(NH2)-COOH

Proline Pro P NH-(CH2)3-CH-COOH |_________|

Serine Ser S HO-CH2-CH(NH2)-COOH

Threonine Thr T CH3-CH(OH)-CH(NH2)-COOH

Tryptophan Trp W Ph-NH-CH-C-CH2-CH(NH2)-COOH |_______|

Tyrosine Tyr Y 10.46 HO-p-Ph-CH2-CH(NH2)-COOH

Valine Val V CH3-CH(CH2)-CH(NH2)-COOH