《生物化学 Biochemistry》课程教学资源（双语教程PPT）Chapter 2 ProteinSection1 Amino Acids

Polar, uncharged amino acids COOH H, N--C-H Glycine(Gly, G) COOH H3N+-C-H CH oH Serine(er, S)

Polar, uncharged amino acids

COOH HSN+-C-H H-C-OH Threonine(Thr. T) COoH HN←-C-H CI OH rosine (Tyr, Y)

H H,N--C-H CH Cvsteine (Cs, C) COO COO H3N--CH HgN—CH Cysteine CH CHo 2H+2e SH Cystine SH 2H+ 2e CHy CH9 Cysteine CH一—NH3 CH--NH3 COO COO

H,N+-C-H NH Asparagine (Asn, N) COOH H,+-C CH NHa Glutamine (GIn, Q)

Acidic amino acids COOH SN'-C-H CH CODH partic add体Asp.D) COOH H,N'-C-H CH COOH Glutamic acid ICI. E)

Acidic amino acids