1. A hyperthermophilic plant-type [2Fe-2S] ferredoxin from Aquifex aeolicus is stabilized by a disulfide bond. Meyer Jacques; Clay Michael D; Johnson Michael K; Stubna Audria; Munck Eckard; Higgins Catherine; Wittung-Stafshede Pernilla Biochemistry 2002 Mar 5, 41(9), 3096-108.
2. Exceptional stability of a [2Fe-2S] ferredoxin from hyperthermophilic bacterium Aquifex aeolicus. Higgins, Catherine L.; Meyer, Jacques; Wittung-Stafshede, Pernilla. Biochimica et Biophysica Acta 2002, 1599(1-2), 82-89.