Amino Acids

Following are the structures for each common amino acid.

Amino acids have an amino group and a carboxylic acid group:

Amino

 

\chemfig{[,0.6]H-N(-[2]H)-}

 Carboxylic
Acid

 

\chemfig{[,0.6]-C(=[2]O)-OH}

 

Glycine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{gly}{!n([6]-H)!a} \chemfig{[,0.6]H!{gly}-OH} Proline \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{pro}{-N(-[:252,0.7,,1]CH_2-#(3pt)[::72,0.7,1,1]CH_2-#(3pt)[::72,0.7,1,1]CH_2-[::72,0.5,1])-[,.7]C(-[2]H)-[,.7]C(=[2]O)} \chemfig{[,0.6]H!{pro}-OH}
Alanine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{ala}{!n(-[6]CH_3)!a} \chemfig{[,0.6]H!{ala}-OH}  Lysine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{lys}{!n([6]-CH_2-CH_2-CH_2-CH_2-NH_2)!a} \chemfig{[,0.6]H!{lys}-OH}
Valine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{val}{!n([6]-CH(-[5,.7,,1]CH_3)-[7,.7,1]CH_3)!a} \chemfig{[,0.6]H!{val}-OH}  Arginine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{r}{!n([6]-CH_2-CH_2-CH_2-NH-C(=[7,.7]NH)-[5,.7,,1]NH2)!a} \chemfig{[,0.6]H!r-OH}
Leucine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{leu}{!n([6,.8]-CH_2-CH(-[5,,,1]CH_3)-[7,,1]CH_3)!a} \chemfig{[,0.6]H!{leu}-OH}  Asparagine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{r}{!n([6]-CH_2-C(-[7,.7]NH_2)=[5,.7]O)!a} \chemfig{[,0.6]H!r-OH}
Isoleucine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{leu}{!n([6,.8]-CH_2-CH(-[5,,,1]CH_3)-[7,,1]CH_3)!a} \chemfig{[,0.6]H!{leu}-OH}  Glutamine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{r}{!n([6]-CH_2-CH_2-C(-[7,.7]NH_2)=[5,.7]O)!a} \chemfig{[,0.6]H!r-OH}
 Serine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{ser}{!n([6,.6]-CH_2-OH)!a} \chemfig{[,0.6]H!{ser}-OH}  Methionine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{r}{!n([6]-CH_2-CH_2-S-CH_3)!a} \chemfig{[,0.6]H!r-OH}
 cysteine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{cys}{!n([6,.6]-CH_2-SH)!a} \chemfig{[,0.6]H!{cys}-OH}  Tryptophan \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{r}{!n(-[:240,.7,,1]CH_2-[:300,,1]-[:330,0]*5(-(*6(-=-=-))=-NH-[,,1]=))!a} \chemfig{[,0.6]H!r-OH}
 Threonine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{thr}{!n([6]-CH(-[5,.7,,1]CH_3)-[7,.7,1]OH)!a} \chemfig{[,0.6]H!{thr}-OH}  Phenylalanine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{r}{!n([6]-CH_2-*6(=-=-=-))!a} \chemfig{[,0.6]H!r-OH}
 Aspartate \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{asp}{!n([6]-CH_2-C(-[7]OH)=[5]O)!a} \chemfig{[,0.6]H!{asp}-OH}  Tyrosine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{r}{!n([6]-CH_2-*6(=-=(-OH)-=-))!a} \chemfig{[,0.6]H!r-OH}
 Glutamate \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{glu}{!n([6]-CH_2-CH_2-C(-[7]OH)=[5]O)!a} \chemfig{[,0.6]H!{glu}-OH}  Histamine \definesubmol{n}{-[,.7]N(-[2]H)-[,.7]C(-[2]H)} \definesubmol{a}{-[,.7]C(=[2]O)} \definesubmol{r}{!n([6]-CH_2-*5(=-N-=N-))!a} \chemfig{[,0.6]H!r-OH}