Article
Structural basis of the oxidative activation of the carboxysomal gamma-carbonic anhydrase, CcmM.
Proceedings of the National Academy of Sciences of the United States of America - 9 Feb 2010
Peña Kerry L, Castel Stephane E, de Araujo Charlotte, Espie George S, Kimber Matthew S
Abstract excerpt
Cyanobacterial RuBisCO is sequestered in large, icosahedral, protein-bounded microcompartments called carboxysomes. Bicarbonate is pumped into the cytosol, diffuses into the carboxysome through small pores in its shell, and is then converted to CO(2) by carbonic anhydrase (CA) prior to fixation. Paradoxically, many beta-cyanobacteria, including Thermosynechococcus elongatus BP-1, lack the conventional...
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