title: Icosahedral inclusions (carboxysomes) of Nitrobacter agilis.
abstract: The icosahedral bodies of Nitrobacter agilis are about 120 nm in diameter and, as viewed by electron microscopy, consist of an outer shell enclosing 10-nm particles. The inner 10-nm particle is the enzyme D-ribulose 1,5-bisphosphate carboxylase. The bodies isolated from cells incubated 1 month without nitrite had a specific activity for the enzyme of 0.54 mu mol of CO2 fixed per min per mg of protein.
mesh_terms: D002245:Carbon Dioxide / Q000378:metabolism; D002479:Inclusion Bodies / Q000201:enzymology / Q000648:ultrastructure; D009576:Nitrobacter / Q000201:enzymology / Q000648:ultrastructure*; D012273:Ribulose-Bisphosphate Carboxylase / Q000302:isolation & purification / Q000378:metabolism
chemical_list: D002245:Carbon Dioxide; D012273:Ribulose-Bisphosphate Carboxylase