PathBank

Pathway Description

Hydrogen Sulfide Biosynthesis I

Neisseria macacae ATCC 33926

Category:

Metabolite Pathway

Sub-Category:

Metabolic

Created: 2024-11-21

Last Updated: 2025-06-01

Many bacteria can produce hydrogen sulfide, which can be used as defense system against antibiotics and oxidative stress. This pathway is one of the hydrogen sulfide biosynthesis pathways (totally two). L-Cysteine is transported by L-cysteine ABC transporter and convert to 3-mercaptopyruvic acid by facilitation of aspartate aminotransferase. 3-Mercaptopyruvic acid is later catalyzed to form pyruvic acid and hydrogen sulfide by 3-mercaptopyruvate sulfurtransferase.

References

Hydrogen Sulfide Biosynthesis I References

This pathway was propagated using PathWhiz - Pon, A. et al. Pathways with PathWhiz (2015) Nucleic Acids Res. 43(Web Server issue): W552–W559.

Propagated from SMP0002078

Enter relative concentration values (without units). Elements will be highlighted in a color gradient where red = lowest concentration and green = highest concentration. For the best results, view the pathway in Black and White.

Visualize Compound Data

		3-Mercaptopyruvic acid
		Adenosine diphosphate
		Adenosine triphosphate
		Hydrogen Ion
		Hydrogen sulfide
		L-Cysteine
		L-Glutamic acid
		Oxoglutaric acid
		Phosphate
		Pyruvic acid
		Water

Visualize Protein Data

		Amino acid ABC superfamily ATP binding cassette transporter, ABC protein
		Aminotransferase
		Polar amino acid ABC superfamily ATP binding cassette transporter, binding protein
		Polar amino acid ABC superfamily ATP binding cassette transporter, membrane protein
		Unknown