[Activity of valyl-tRNA-synthetase and alanyl-tRNA-synthetase in intact and denervated rabbit muscles]. 1976

L V Teslenko, and M S Usatenko, and V S Il'in

The rate of acylation of non-fractionated tRNA from baker yeast and beef liver with valine-I-C14 and alanine-I-C14 had been measured. The yeast tRNA was found to be the active acceptor of valine while the beef tRNA intensively accepted alanine. The specific activities of valyl- and alanyl-tRNA synthetases from intact m. soleus (red) when measured with yeast tRNA were 4.3 and 3.3 times higher than the activities of the respective enzymes from intact m. gastrocnemius (mixed). 30 days after sciatic nerve section the activities of both aminoacyl-tRNA synthetases in denervated red and mixed muscles had become nearly equal. Equalization of aminoacyl-tRNA synthetases specific activities in the denervated muscles occured as a result of the changes in the catalytic properties and, possibly, in the intracellular concentration of the enzymes.

UI MeSH Term Description Entries
D008297 Male Males
D009121 Muscle Denervation The resection or removal of the innervation of a muscle or muscle tissue. Denervation, Muscle,Denervations, Muscle,Muscle Denervations
D009132 Muscles Contractile tissue that produces movement in animals. Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D000412 Alanine-tRNA Ligase An enzyme that activates alanine with its specific transfer RNA. EC 6.1.1.7. Alanyl T RNA Synthetase,Ala-tRNA Ligase,Alanyl-tRNA Synthetase,Ala tRNA Ligase,Alanine tRNA Ligase,Alanyl tRNA Synthetase,Ligase, Ala-tRNA,Ligase, Alanine-tRNA,Synthetase, Alanyl-tRNA
D000604 Amino Acyl-tRNA Synthetases A subclass of enzymes that aminoacylate AMINO ACID-SPECIFIC TRANSFER RNA with their corresponding AMINO ACIDS. Amino Acyl T RNA Synthetases,Amino Acyl-tRNA Ligases,Aminoacyl Transfer RNA Synthetase,Aminoacyl-tRNA Synthetase,Transfer RNA Synthetase,tRNA Synthetase,Acyl-tRNA Ligases, Amino,Acyl-tRNA Synthetases, Amino,Amino Acyl tRNA Ligases,Amino Acyl tRNA Synthetases,Aminoacyl tRNA Synthetase,Ligases, Amino Acyl-tRNA,RNA Synthetase, Transfer,Synthetase, Aminoacyl-tRNA,Synthetase, Transfer RNA,Synthetase, tRNA,Synthetases, Amino Acyl-tRNA
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014637 Valine-tRNA Ligase An enzyme that activates valine with its specific transfer RNA. EC 6.1.1.9 Valyl T RNA Synthetase,Val-tRNA Ligase,Valyl-tRNA Synthetase,Ligase, Val-tRNA,Ligase, Valine-tRNA,Synthetase, Valyl-tRNA,Val tRNA Ligase,Valine tRNA Ligase,Valyl tRNA Synthetase

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