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Two-hybrid cloning identifies hnRNP A/B0 as an interactive protein of hnRNP L SCIE SCOPUS

Title
Two-hybrid cloning identifies hnRNP A/B0 as an interactive protein of hnRNP L
Authors
Park, HGYoon, JYJang, SKChoi, M
Date Issued
2003-09
Publisher
GENETICS SOC KOREA
Abstract
The heterogeneous nuclear ribonucleoprotein L (hnRNP L) is one of the major pre-mRNA binding proteins. It is composed of 558 amino acid residues and contains four loosely conserved RNP-concensus RNA-binding domains. hnRNP L is an abundant nuclear protein and shuttles between nucleus and cytoplasm. As a first step to investigate the functions of hnRNP L, we searched for hnRNP L-interacting proteins in a human liver cDNA library using a yeast two-hybrid screening system. One of the cDNA clones (GeneBank accession number AK097657) consists of 332 amino acid residues and is identical to human hnRNP A/B protein (GeneBank accession number XM_038946) except for a 47-residue insertion, presumably produced by alternative RNA splicing. This protein, named hnRNP A/B0, contains two RNP-CS RNA-binding domains at its N-terminal half and glycine-rich domain in the C-terminal region. Here, we report that hnRNP L specifically interacts with ImRNP A/B0 in yeast two-hybrid system.
Keywords
heterogeneous nuclear ribonucleoproteins (hnRNPs); RNP-concensus RNA-binding domain; yeast two-hybrid screening system; RNA-BINDING PROTEINS; MESSENGER-RNA; CYTOPLASM; DIVERSITY; NUCLEUS; DOMAIN
URI
https://oasis.postech.ac.kr/handle/2014.oak/18306
ISSN
0254-5934
Article Type
Article
Citation
KOREAN JOURNAL OF GENETICS, vol. 25, no. 3, page. 269 - 277, 2003-09
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장승기JANG, SUNG KEY
Dept of Life Sciences
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