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The carboxyl terminus of the smooth muscle myosin light chain kinase is expressed as an independent protein, telokin

It has been proposed that the carboxyl terminus of the smooth muscle myosin light chain kinase is expressed as an independent protein. This protein has been purified from tissues and named telokin (Ito, M., Dabrowska, R., Guerriero, V., Jr., and Hartshorne, D. J. (1989) J. Biol. Chem. 264, 13971-139...

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Published in:The Journal of biological chemistry 1991-12, Vol.266 (35), p.23945-23952
Main Authors: GALLAGHER, P. J, HERRING, B. P
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description It has been proposed that the carboxyl terminus of the smooth muscle myosin light chain kinase is expressed as an independent protein. This protein has been purified from tissues and named telokin (Ito, M., Dabrowska, R., Guerriero, V., Jr., and Hartshorne, D. J. (1989) J. Biol. Chem. 264, 13971-13974). In this study we have isolated and characterized cDNA and genomic clones encoding telokin. Analysis of a genomic DNA clone suggests that the mRNA encoding telokin arises from a promoter which appears to be located within an intron of the smooth muscle myosin light chain kinase (MLCK) gene. This intron interrupts exons encoding the calmodulin binding domain of the kinase. The amino acid sequence deduced from the cDNA predicts that telokin is identical to the carboxyl-terminal 155 residues of the smooth muscle MLCK. Unlike the smooth muscle MLCK which is expressed in both smooth and non-muscle tissues, telokin is expressed in some smooth muscle tissues but has not been detected in aortic smooth muscle or in any non-muscle tissues.
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J</creatorcontrib><creatorcontrib>HERRING, B. P</creatorcontrib><title>The carboxyl terminus of the smooth muscle myosin light chain kinase is expressed as an independent protein, telokin</title><title>The Journal of biological chemistry</title><addtitle>J Biol Chem</addtitle><description>It has been proposed that the carboxyl terminus of the smooth muscle myosin light chain kinase is expressed as an independent protein. This protein has been purified from tissues and named telokin (Ito, M., Dabrowska, R., Guerriero, V., Jr., and Hartshorne, D. J. (1989) J. Biol. Chem. 264, 13971-13974). In this study we have isolated and characterized cDNA and genomic clones encoding telokin. Analysis of a genomic DNA clone suggests that the mRNA encoding telokin arises from a promoter which appears to be located within an intron of the smooth muscle myosin light chain kinase (MLCK) gene. This intron interrupts exons encoding the calmodulin binding domain of the kinase. 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Psychology</topic><topic>genes</topic><topic>Genomic Library</topic><topic>Molecular Sequence Data</topic><topic>Molecular Weight</topic><topic>Muscle Proteins - genetics</topic><topic>Muscle Proteins - isolation &amp; purification</topic><topic>Muscle, Smooth - enzymology</topic><topic>myosin light chain kinase</topic><topic>Myosin-Light-Chain Kinase - genetics</topic><topic>nucleotide sequence</topic><topic>Peptide Fragments</topic><topic>Peptides</topic><topic>predictions</topic><topic>Rabbits</topic><topic>Restriction Mapping</topic><topic>smooth muscle</topic><topic>telokin</topic><topic>Transferases</topic><topic>Uterus - enzymology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>GALLAGHER, P. J</creatorcontrib><creatorcontrib>HERRING, B. 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Analysis of a genomic DNA clone suggests that the mRNA encoding telokin arises from a promoter which appears to be located within an intron of the smooth muscle myosin light chain kinase (MLCK) gene. This intron interrupts exons encoding the calmodulin binding domain of the kinase. The amino acid sequence deduced from the cDNA predicts that telokin is identical to the carboxyl-terminal 155 residues of the smooth muscle MLCK. Unlike the smooth muscle MLCK which is expressed in both smooth and non-muscle tissues, telokin is expressed in some smooth muscle tissues but has not been detected in aortic smooth muscle or in any non-muscle tissues.</abstract><cop>Bethesda, MD</cop><pub>American Society for Biochemistry and Molecular Biology</pub><pmid>1748667</pmid><doi>10.1016/s0021-9258(18)54376-3</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record>
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ispartof The Journal of biological chemistry, 1991-12, Vol.266 (35), p.23945-23952
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subjects Amino Acid Sequence
Analytical, structural and metabolic biochemistry
Animals
Antibodies
Base Sequence
Biological and medical sciences
C-terminus
cDNA
DNA - genetics
DNA - isolation & purification
Electrophoresis, Polyacrylamide Gel
Enzymes and enzyme inhibitors
Female
Fundamental and applied biological sciences. Psychology
genes
Genomic Library
Molecular Sequence Data
Molecular Weight
Muscle Proteins - genetics
Muscle Proteins - isolation & purification
Muscle, Smooth - enzymology
myosin light chain kinase
Myosin-Light-Chain Kinase - genetics
nucleotide sequence
Peptide Fragments
Peptides
predictions
Rabbits
Restriction Mapping
smooth muscle
telokin
Transferases
Uterus - enzymology
title The carboxyl terminus of the smooth muscle myosin light chain kinase is expressed as an independent protein, telokin
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