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Arginyl-tRNA synthetase (ArgRS) is a tRNA-binding protein that catalyzes the esterification of l-arginine to its cognate tRNA. l-Canavanine, a structural analog of l-arginine, has recently been studied as an anticancer agent. Here, we determined the crystal structures of the apo, l-arginine-complexed, and l-canavanine-complexed forms of the cytoplasmic free isoform of human ArgRS (hArgRS). Similar...
The complete 16,434-bp nucleotide sequence of the mitogenome of the bumble bee, Bombus ignitus (Hymenoptera: Apidae), was determined. The genome contains the base composition and codon usage typical of metazoan mitogenomes. An unusual feature of the B. ignitus mitogenome is the presence of five tRNA-like structures: two each of the tRNA Leu(UUR) -like and tRNA Ser(AGN) -like sequences...
The complete A+T-rich region of mitochondrial DNA has been cloned and sequenced from 48 individuals of Gryllotalpa orientalis (Orthoptera: Gryllotalpidae), collected from five Korean localities. Thirty-six haplotypes acquired from 48 individuals were found to range in size from 917 to 925 bp, with a sequence divergence from 0.1% to 14.3% and an A+T content from 74.5 to 76.3%. Phylogeographic analysis...
The complete nucleotide sequences of the mitochondrial genome (mitogenome) of the oriental mole cricket, Gryllotalpa orientalis (Orthoptera: Gryllotalpidae), were determined. The 15,521-bp-long G. orientalis mitogenome contains typical gene complement, base composition, and codon usage found in metazoan mitogenomes. The G. orientalis mitogenome contains the third lowest A+T content (70.5%) among the...
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