A group of proteins possessing only the iron-sulfur complex as the prosthetic group. These proteins participate in all major pathways of electron transport: photosynthesis, respiration, hydroxylation and bacterial hydrogen and nitrogen fixation.

Synonyms: 0, Proteins, Iron-Sulfur, Iron Sulfur Protein, Protein, Iron-Sulfur, Proteins, Iron Sulfur, Iron Sulfur Proteins, Iron-Sulfur Protein, Sulfur Proteins, Iron, Iron-Sulfur Proteins