title: Crystallization and preliminary x-ray investigation of ubiquitin, a non-histone chromosomal protein.
mesh_terms: D000818:Animals; D002417:Cattle; D002868:Chromosomal Proteins, Non-Histone; D003460:Crystallization; D008970:Molecular Weight; D014961:X-Ray Diffraction
chemical_list: D002868:Chromosomal Proteins, Non-Histone