Sulfur amino acid metabolism

Brosnan JT, Brosnan ME. The sulfur-containing amino acids: an overview. J Nutr. 2006 Jun;136(6 Suppl):1636S–1640S. doi: 10.1093/jn/136.6.1636s. PMID: 16702333.

Metabolites

5'-Methylthioadenosine

Formula: C11H15N5O3S (297.089556)

CAS ID: 2457-80-9

Adenine

Formula: C5H5N5 (135.054493)

CAS ID: 73-24-5

Adenosine

Formula: C10H13N5O4 (267.09674980000005)

CAS ID: 58-61-7

Betaine

Formula: C5H11NO2 (117.0789746)

CAS ID: 107-43-7

Fe2+

Formula: Fe (55.934939)

CAS ID: 15438-31-0

H+

Formula: H (1.0078246)

CAS ID: 12408-02-5

H2O

Formula: H2O (18.0105642)

CAS ID: 7732-18-5

HSO3-

Formula: HSO3 (80.96464160000001)

CAS ID: 15181-46-1

Hydrogen cyanide

Formula: CHN (27.010898599999997)

CAS ID: 74-90-8

Hydrogen peroxide

Formula: H2O2 (34.0054792)

CAS ID: 7722-84-1

Magnesium cation

Formula: Mg (23.98505)

CAS ID: 22537-22-0

Oxygen

Formula: O2 (31.98983)

CAS ID: 7782-44-7

S-Methyl-L-methionine

Formula: C6H14NO2S (164.0745204)

CAS ID: 6708-35-6

Sulfate

Formula: H2SO4 (97.9673812)

CAS ID: 7664-93-9

Zinc cation

Formula: Zn (63.929145)

CAS ID: 23713-49-7

Thiocyanate

Formula: CNS (57.975145999999995)

CAS ID: 302-04-5

Sulfanegen

Formula: C6H8O6S2 (239.9762308)

CAS ID: 80003-64-1

formate

Formula: CHO2 (44.997654600000004)

CAS ID: 71-47-6

pyruvate

Formula: C3H3O3 (87.00821880000001)

CAS ID: 57-60-3

sulfite

Formula: O3S (79.956817)

CAS ID: 14265-45-3

NADPH(4-)

Formula: C21H26N7O17P3 (741.0598016)

CAS ID: 53-57-6

ATP(4-)

Formula: C10H12N5O13P3 (502.9644492)

CAS ID:

NAD(1-)

Formula: C21H26N7O14P2 (662.1012936000001)

CAS ID: 53-84-9

NADP(3-)

Formula: C21H25N7O17P3 (740.051977)

CAS ID: 53-59-8

hydrosulfide

Formula: HS (32.979896600000004)

CAS ID: 15035-72-0



Enzyme

EC Number name full name note
1.13.11.53 acireductone dioxygenase (Ni2+-requiring) 1,2-dihydroxy-5-(methylthio)pent-1-en-3-one:oxygen oxidoreductase (formate- and CO-forming)
1.13.11.54 acireductone dioxygenase [iron(II)-requiring] 1,2-dihydroxy-5-(methylthio)pent-1-en-3-one:oxygen oxidoreductase (formate-forming)
2.1.1.5 betaine-homocysteine S-methyltransferase trimethylammonioacetate:L-homocysteine S-methyltransferase
2.4.2.28 S-methyl-5'-thioadenosine phosphorylase S-methyl-5'-thioadenosine:phosphate S-methyl-5-thio-alpha-D-ribosyl-transferase
3.1.3.77 acireductone synthase 5-(methylthio)-2,3-dioxopentyl-phosphate phosphohydrolase (isomerizing)
5.3.1.23 S-methyl-5-thioribose-1-phosphate isomerase S-methyl-5-thio-alpha-D-ribose-1-phosphate aldose-ketose-isomerase


Proteins

Protein ID name full name