author_facet Becker, Walter
Heukelbach, Jörg
Kentrup, Heiner
Joost, Hans‐Georg
Becker, Walter
Heukelbach, Jörg
Kentrup, Heiner
Joost, Hans‐Georg
author Becker, Walter
Heukelbach, Jörg
Kentrup, Heiner
Joost, Hans‐Georg
spellingShingle Becker, Walter
Heukelbach, Jörg
Kentrup, Heiner
Joost, Hans‐Georg
European Journal of Biochemistry
Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
Biochemistry
author_sort becker, walter
spelling Becker, Walter Heukelbach, Jörg Kentrup, Heiner Joost, Hans‐Georg 0014-2956 1432-1033 Wiley Biochemistry http://dx.doi.org/10.1111/j.1432-1033.1996.00736.x <jats:p>The cDNA of a novel protein kinase (referred to as SNRK) was isolated from a rat fat cell cDNA library with a probe generated by a cloning approach based on the polymerase chain reaction. The encoded polypeptide (746 amino acids, <jats:italic>M</jats:italic><jats:sub>r</jats:sub>= 81627) contains all conserved subdomains characteristic of the protein serine/threonine kinase family. A recombinant fusion protein with glutathione <jats:italic>S</jats:italic> ‐transferase catalysed autophosphorylation as well as phosphorylation of histone, confirming that SNRK has indeed protein kinase activity. By Northern blot hybridization, a 5‐kb mRNA was detected in brain, heart, fat cells, intestine, testis, ovary, adrenal gland and thymus. In 3T3‐LI cells, SNRK was specifically expressed in the differentiated, adipocyte‐like phenotype, where as its mRNA was not detected in fibroblasts. Sequence comparisons of its catalytic domain relate SNRK to the SNF1 family of protein kinases. The noncatalytic domain comprises several intriguing structural features, including a glycine‐rich region, two PEST sequences, and a bipartite nuclear localization signal which is preceded by a stretch of ten consecutive acidic residues. This part of the sequence exhibits no extended similarity with other protein In addition, we detected a high degree of sequence similarity with other SNF1 ‐related protein kinases in a small region (30–35 amino acids) flanking the C‐terminus of the catalytic domain. This domain (designated the SNH domain) appears to define the subfamily of SNF1‐related protein kinases and might represent a new type of regulatory domain of protein kinases.</jats:p> Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases European Journal of Biochemistry
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series European Journal of Biochemistry
source_id 49
title Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_unstemmed Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_full Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_fullStr Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_full_unstemmed Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_short Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_sort molecular cloning and characterization of a novel mammalian protein kinase harboring a homology domain that defines a subfamily of serine/threonine kinases
topic Biochemistry
url http://dx.doi.org/10.1111/j.1432-1033.1996.00736.x
publishDate 1996
physical 736-743
description <jats:p>The cDNA of a novel protein kinase (referred to as SNRK) was isolated from a rat fat cell cDNA library with a probe generated by a cloning approach based on the polymerase chain reaction. The encoded polypeptide (746 amino acids, <jats:italic>M</jats:italic><jats:sub>r</jats:sub>= 81627) contains all conserved subdomains characteristic of the protein serine/threonine kinase family. A recombinant fusion protein with glutathione <jats:italic>S</jats:italic> ‐transferase catalysed autophosphorylation as well as phosphorylation of histone, confirming that SNRK has indeed protein kinase activity. By Northern blot hybridization, a 5‐kb mRNA was detected in brain, heart, fat cells, intestine, testis, ovary, adrenal gland and thymus. In 3T3‐LI cells, SNRK was specifically expressed in the differentiated, adipocyte‐like phenotype, where as its mRNA was not detected in fibroblasts. Sequence comparisons of its catalytic domain relate SNRK to the SNF1 family of protein kinases. The noncatalytic domain comprises several intriguing structural features, including a glycine‐rich region, two PEST sequences, and a bipartite nuclear localization signal which is preceded by a stretch of ten consecutive acidic residues. This part of the sequence exhibits no extended similarity with other protein In addition, we detected a high degree of sequence similarity with other SNF1 ‐related protein kinases in a small region (30–35 amino acids) flanking the C‐terminus of the catalytic domain. This domain (designated the SNH domain) appears to define the subfamily of SNF1‐related protein kinases and might represent a new type of regulatory domain of protein kinases.</jats:p>
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author Becker, Walter, Heukelbach, Jörg, Kentrup, Heiner, Joost, Hans‐Georg
author_facet Becker, Walter, Heukelbach, Jörg, Kentrup, Heiner, Joost, Hans‐Georg, Becker, Walter, Heukelbach, Jörg, Kentrup, Heiner, Joost, Hans‐Georg
author_sort becker, walter
container_issue 3
container_start_page 736
container_title European Journal of Biochemistry
container_volume 235
description <jats:p>The cDNA of a novel protein kinase (referred to as SNRK) was isolated from a rat fat cell cDNA library with a probe generated by a cloning approach based on the polymerase chain reaction. The encoded polypeptide (746 amino acids, <jats:italic>M</jats:italic><jats:sub>r</jats:sub>= 81627) contains all conserved subdomains characteristic of the protein serine/threonine kinase family. A recombinant fusion protein with glutathione <jats:italic>S</jats:italic> ‐transferase catalysed autophosphorylation as well as phosphorylation of histone, confirming that SNRK has indeed protein kinase activity. By Northern blot hybridization, a 5‐kb mRNA was detected in brain, heart, fat cells, intestine, testis, ovary, adrenal gland and thymus. In 3T3‐LI cells, SNRK was specifically expressed in the differentiated, adipocyte‐like phenotype, where as its mRNA was not detected in fibroblasts. Sequence comparisons of its catalytic domain relate SNRK to the SNF1 family of protein kinases. The noncatalytic domain comprises several intriguing structural features, including a glycine‐rich region, two PEST sequences, and a bipartite nuclear localization signal which is preceded by a stretch of ten consecutive acidic residues. This part of the sequence exhibits no extended similarity with other protein In addition, we detected a high degree of sequence similarity with other SNF1 ‐related protein kinases in a small region (30–35 amino acids) flanking the C‐terminus of the catalytic domain. This domain (designated the SNH domain) appears to define the subfamily of SNF1‐related protein kinases and might represent a new type of regulatory domain of protein kinases.</jats:p>
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spelling Becker, Walter Heukelbach, Jörg Kentrup, Heiner Joost, Hans‐Georg 0014-2956 1432-1033 Wiley Biochemistry http://dx.doi.org/10.1111/j.1432-1033.1996.00736.x <jats:p>The cDNA of a novel protein kinase (referred to as SNRK) was isolated from a rat fat cell cDNA library with a probe generated by a cloning approach based on the polymerase chain reaction. The encoded polypeptide (746 amino acids, <jats:italic>M</jats:italic><jats:sub>r</jats:sub>= 81627) contains all conserved subdomains characteristic of the protein serine/threonine kinase family. A recombinant fusion protein with glutathione <jats:italic>S</jats:italic> ‐transferase catalysed autophosphorylation as well as phosphorylation of histone, confirming that SNRK has indeed protein kinase activity. By Northern blot hybridization, a 5‐kb mRNA was detected in brain, heart, fat cells, intestine, testis, ovary, adrenal gland and thymus. In 3T3‐LI cells, SNRK was specifically expressed in the differentiated, adipocyte‐like phenotype, where as its mRNA was not detected in fibroblasts. Sequence comparisons of its catalytic domain relate SNRK to the SNF1 family of protein kinases. The noncatalytic domain comprises several intriguing structural features, including a glycine‐rich region, two PEST sequences, and a bipartite nuclear localization signal which is preceded by a stretch of ten consecutive acidic residues. This part of the sequence exhibits no extended similarity with other protein In addition, we detected a high degree of sequence similarity with other SNF1 ‐related protein kinases in a small region (30–35 amino acids) flanking the C‐terminus of the catalytic domain. This domain (designated the SNH domain) appears to define the subfamily of SNF1‐related protein kinases and might represent a new type of regulatory domain of protein kinases.</jats:p> Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases European Journal of Biochemistry
spellingShingle Becker, Walter, Heukelbach, Jörg, Kentrup, Heiner, Joost, Hans‐Georg, European Journal of Biochemistry, Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases, Biochemistry
title Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_full Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_fullStr Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_full_unstemmed Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_short Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
title_sort molecular cloning and characterization of a novel mammalian protein kinase harboring a homology domain that defines a subfamily of serine/threonine kinases
title_unstemmed Molecular Cloning and Characterization of a Novel Mammalian Protein Kinase Harboring a Homology Domain that Defines a Subfamily of Serine/Threonine Kinases
topic Biochemistry
url http://dx.doi.org/10.1111/j.1432-1033.1996.00736.x