The mitochondrial genetic code

The Yeast Mitochondrial Code (classical scheme)

Differences from the Standard Code:

        Code 3          Standard

 AUA    Met  M          Ile  I

 CUU    Thr  T          Leu  L

 CUC    Thr  T          Leu  L

 CUA    Thr  T          Leu  L

 CUG    Thr  T          Leu  L

 UGA    Trp  W          Ter  *

 CGA    absent          Arg  R

 CGC    absent          Arg  R

Code	6 hydrogen bonds	5 hydrogen bonds	5 hydrogen bonds	4 hydrogen bonds
000	Pro CC (C/U)	Ser UC (C/U)	Thr CU (C/U)	Phe UU (C/U)
001	Pro CC (A/G)	Ser UC (A/G)	Thr CU (A/G)	Leu UU (A/G)
100	Ala GC (C/U)	Thr AC (C/U)	Val GU (C/U)	Ile AU (C/U)
101	Ala GC (A/G)	Thr AC (A/G)	Val GU (A/G)	Met /Met AU (A/G)
010	/Arg CG (C/U)	Cys UG (C/U)	His CA (C/U)	Tyr UA (C/U)
011	/Arg CG (A/G)	Trp /Trp UG (A/G)	Gln CA (A/G)	Stop UA (A/G)
110	Gly GG (C/U)	Ser AG (C/U)	Asp GA (C/U)	Asn AA (C/U)
111	Gly GG (A/G)	Arg AG (A/G)	Glu GA (A/G)	Lys AA (A/G)

The Vertebrate Mitochondrial Code (classical scheme)

Differences from the Standard Code:

        Code 2          Standard

 AGA    Ter  *          Arg  R

 AGG    Ter  *          Arg  R

 AUA    Met  M          Ile  I

 UGA    Trp  W          Ter  *

Code	6 hydrogen bonds	5 hydrogen bonds	5 hydrogen bonds	4 hydrogen bonds
000	Pro CC (C/U)	Ser UC (C/U)	Leu CU (C/U)	Phe UU (C/U)
001	Pro CC (A/G)	Ser UC (A/G)	Leu CU (A/G)	Leu UU (A/G)
100	Ala GC (C/U)	Thr AC (C/U)	Val GU (C/U)	Ile AU (C/U)
101	Ala GC (A/G)	Thr AC (A/G)	Val GU (A/G)	Met/Met AU (A/G)
010	Arg CG (C/U)	Cys UG (C/U)	His CA (C/U)	Tyr UA (C/U)
011	Arg CG (A/G)	Trp/Trp UG (A/G)	Gln CA (A/G)	Stop UA (A/G)
110	Gly GG (C/U)	Ser AG (C/U)	Asp GA (C/U)	Asn AA (C/U)
111	Gly GG (A/G)	STOP AG (A/G)	Glu GA (A/G)	Lys AA (A/G)

The Mold, Protozoan, and Coelenterate Mitochondrial Code and the Mycoplasma/Spiroplasma Code (classical scheme)

Differences from the Standard Code:

        Code 4         Standard

 UGA    Trp  W          Ter  *

Code	6 hydrogen bonds	5 hydrogen bonds	5 hydrogen bonds	4 hydrogen bonds
000	Pro CC (C/U)	Ser UC (C/U)	Leu CU (C/U)	Phe UU (C/U)
001	Pro CC (A/G)	Ser UC (A/G)	Leu CU (A/G)	Leu UU (A/G)
100	Ala GC (C/U)	Thr AC (C/U)	Val GU (C/U)	Ile AU (C/U)
101	Ala GC (A/G)	Thr AC (A/G)	Val GU (A/G)	Ile/Met AU (A/G)
010	Arg CG (C/U)	Cys UG (C/U)	His CA (C/U)	Tyr UA (C/U)
011	Arg CG (A/G)	Trp/Trp UG (A/G)	Gln CA (A/G)	Stop UA (A/G)
110	Gly GG (C/U)	Ser AG (C/U)	Asp GA (C/U)	Asn AA (C/U)
111	Gly GG (A/G)	Arg AG (A/G)	Glu GA (A/G)	Lys AA (A/G)

The Invertebrate Mitochondrial Code (classical scheme)

Differences from the Standard Code:

        Code 5          Standard

 AGA    Ser  S          Arg  R

 AGG    Ser  S          Arg  R

 AUA    Met  M          Ile  I

 UGA    Trp  W          Ter  *

Code	6 hydrogen bonds	5 hydrogen bonds	5 hydrogen bonds	4 hydrogen bonds
000	Pro CC (C/U)	Ser UC (C/U)	Leu CU (C/U)	Phe UU (C/U)
001	Pro CC (A/G)	Ser UC (A/G)	Leu CU (A/G)	Leu UU (A/G)
100	Ala GC (C/U)	Thr AC (C/U)	Val GU (C/U)	Ile AU (C/U)
101	Ala GC (A/G)	Thr AC (A/G)	Val GU (A/G)	Met /Met AU (A/G)
010	Arg CG (C/U)	Cys UG (C/U)	His CA (C/U)	Tyr UA (C/U)
011	Arg CG (A/G)	Trp/Trp UG (A/G)	Gln CA (A/G)	Stop UA (A/G)
110	Gly GG (C/U)	Ser AG (C/U)	Asp GA (C/U)	Asn AA (C/U)
111	Gly GG (A/G)	Ser AG (A/G)	Glu GA (A/G)	Lys AA (A/G)

The Ascidian Mitochondrial Code (classical scheme)

Differences from the Standard Code:

          Code 13     Standard

 AGA      Gly  G        Arg  R

 AGG      Gly  G        Arg  R

 AUA      Met  M        Ile  I

 UGA      Trp  W        Ter  *

Code	6 hydrogen bonds	5 hydrogen bonds	5 hydrogen bonds	4 hydrogen bonds
000	Pro CC (C/U)	Ser UC (C/U)	Leu CU (C/U)	Phe UU (C/U)
001	Pro CC (A/G)	Ser UC (A/G)	Leu CU (A/G)	Leu UU (A/G)
100	Ala GC (C/U)	Thr AC (C/U)	Val GU (C/U)	Ile AU (C/U)
101	Ala GC (A/G)	Thr AC (A/G)	Val GU (A/G)	Met /Met AU (A/G)
010	Arg CG (C/U)	Cys UG (C/U)	His CA (C/U)	Tyr UA (C/U)
011	Arg CG (A/G)	Trp/Trp UG (A/G)	Gln CA (A/G)	Stop UA (A/G)
110	Gly GG (C/U)	Ser AG (C/U)	Asp GA (C/U)	Asn AA (C/U)
111	Gly GG (A/G)	Gly AG (A/G)	Glu GA (A/G)	Lys AA (A/G)