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1: J Biol Chem. 1990 Nov 5;265(31):19185-91.Click here to read Links

A growth factor-inducible nuclear protein with a novel cysteine/histidine repetitive sequence.

DuBois RN, McLane MW, Ryder K, Lau LF, Nathans D.

Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205.

Growth factors rapidly induce transcription of a set of genes that encode regulatory proteins, many of which have been identified by cDNA cloning. Here we report the analysis of a cDNA corresponding to a gene induced in mouse 3T3 cells by growth factors and a variety of other extracellular signaling agents. The cDNA encodes a proline-, serine-, and glycine-rich nuclear protein designated Nup475 of 319 amino acids that contains two tandemly repeated cysteine- and histidine-containing sequences (CX8CX5CX3H) suggestive of a novel heavy metal-binding domain. Nup475 produced in Escherichia coli binds zinc. Its mRNA is present in a number of mouse tissues and cell lines, being especially abundant in intestine, thymus, and regenerating liver and in a macrophage cell line stimulated by gamma-interferon. We hypothesize that Nup475 is a regulatory protein with a novel zinc finger structure.

PMID: 1699942 [PubMed - indexed for MEDLINE]

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