Identification of proliferation-sensitive human proteins amongst components of the 40 S hnRNP particles. Identity of hnRNP core proteins in the HeLa protein catalogue. 1986

J E Celis, and R Bravo, and H P Arenstorf, and W M LeStourgeon

The core proteins of HeLa 40 S hnRNP monoparticles have been identified in the HeLa protein catalogue. Human proteins previously identified as proliferation-sensitive [NEPHGE 21 and 17; Bravo, R. and Celis, J.E. (1982) Clin. Chem. 28, 766], as well as two proteins characterized in this study (NEPHGE 16 W and 16 W1), are shown to be components of these particles. These basic nuclear polypeptides correspond to core proteins A1, B1a, B2 and C4, respectively. The significance of these results in terms of composition and function of hnRNP particles is discussed.

UI MeSH Term Description Entries
D008715 Methionine A sulfur-containing essential L-amino acid that is important in many body functions. L-Methionine,Liquimeth,Methionine, L-Isomer,Pedameth,L-Isomer Methionine,Methionine, L Isomer
D010446 Peptide Fragments Partial proteins formed by partial hydrolysis of complete proteins or generated through PROTEIN ENGINEERING techniques. Peptide Fragment,Fragment, Peptide,Fragments, Peptide
D010779 Photofluorography The photography of images produced on a fluorescent screen by X-rays. Photofluorographies
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D004586 Electrophoresis An electrochemical process in which macromolecules or colloidal particles with a net electric charge migrate in a solution under the influence of an electric current. Electrophoreses
D006367 HeLa Cells The first continuously cultured human malignant CELL LINE, derived from the cervical carcinoma of Henrietta Lacks. These cells are used for, among other things, VIRUS CULTIVATION and PRECLINICAL DRUG EVALUATION assays. Cell, HeLa,Cells, HeLa,HeLa Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000076245 Heterogeneous Nuclear Ribonucleoprotein A1 A heterogeneous ribonucleoprotein that contains an RNA-BINDING MOTIF and has poly(ADP)ribose-binding capability. It functions in the packaging of pre-mRNA into hnRNP particles for export to the cytoplasm and may play a role in RNA SPLICING site selection. A1 HnRNP,hnRNP A1,hnRNP A1 Protein,hnRNP Protein A1
D000596 Amino Acids Organic compounds that generally contain an amino (-NH2) and a carboxyl (-COOH) group. Twenty alpha-amino acids are the subunits which are polymerized to form proteins. Amino Acid,Acid, Amino,Acids, Amino
D012260 Ribonucleases Enzymes that catalyze the hydrolysis of ester bonds within RNA. EC 3.1.-. Nucleases, RNA,RNase,Acid Ribonuclease,Alkaline Ribonuclease,Ribonuclease,RNA Nucleases,Ribonuclease, Acid,Ribonuclease, Alkaline

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