Iron-sulfur flavoprotein (Isf) from Methanosarcina thermophila is the prototype of a widely distributed family.

@article{Zhao2001IronsulfurF,
  title={Iron-sulfur flavoprotein (Isf) from Methanosarcina thermophila is the prototype of a widely distributed family.},
  author={Tianxia Zhao and Fernando Augosto da Silva Cruz and James G. Ferry},
  journal={Journal of bacteriology},
  year={2001},
  volume={183 21},
  pages={6225-33}
}
A total of 35 homologs of the iron-sulfur flavoprotein (Isf) from Methanosarcina thermophila were identified in databases. All three domains were represented, and multiple homologs were present in several species. An unusually compact cysteine motif ligating the 4Fe-4S cluster in Isf is conserved in all of the homologs except two, in which either an aspartate or a histidine has replaced the second cysteine in the motif. A phylogenetic analysis of Isf homologs identified four subgroups, two of… CONTINUE READING

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