Crystallization of Escherichia coli ribosomes.
D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient; D003460:Crystallization; D004926:Escherichia coli / Q000648:ultrastructure*; D008854:Microscopy, Electron; D011072:Poly U / Q000378:metabolism; D012270:Ribosomes / Q000648:ultrastructure*
D011072:Poly U