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Low-Spin Heme b3 in the Catalytic Center of Nitric Oxide Reductase from Pseudom...
Timóteo, Cristina G.; Pereira, Alice S.; Martins, Carlos E.; Naik, Sunil G.; Duarte, Américo G.; Moura, José J. G.; Tavares, Pedro; Moura, IsabelBiochemistry, 2011, 50 (20), pp 4251–4262 DOI: 10.1021/bi101605p ; Respiratory nitric oxide reductase (NOR) was purified from membrane extract of Pseudomonas (Ps.) nautica cells to homogeneity as judged by polyacrylamide gel electrophoresis. The purified protein is a heterodimer with subunits of molecular masses of 54 and 18 kDa. The gene encoding both subunits was cloned and sequenced. The amino acid sequence...
Camelid nanobodies raised against an integral membrane enzyme, nitric oxide red...
Conrath, Katja; Pereira, Alice S.; Martins, Carlos E.; Timóteo, Cristina G.; Tavares, Pedro; Moura, Isabel; Moura, José J. G.Protein Sci. 2009 Mar;18(3):619-28. doi: 10.1002/pro.69. ; Nitric Oxide Reductase (NOR) is an integral membrane protein performing the reduction of NO to N2O. NOR is composed of two subunits: the large one (NorB) is a bundle of 12 transmembrane helices (TMH). It contains a b type heme and a binuclear iron site, which is believed to be the catalytic site, comprising a heme b and a non-hemic iron. The small subu...
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