title: Crystalline G factor from Escherichia coli.
mesh_terms: D001426:Bacterial Proteins / Q000302:isolation & purification*; D003460:Crystallization; D004586:Electrophoresis; D004926:Escherichia coli / Q000032:analysis / Q000201:enzymology*; D012270:Ribosomes; D014166:Transferases; D014461:Ultracentrifugation
chemical_list: D001426:Bacterial Proteins; D014166:Transferases