期刊名称：Proceedings of the National Academy of Sciences
印刷版ISSN：0027-8424
电子版ISSN：1091-6490
出版年度：1979
卷号：76
期号：2
页码：717-721
DOI：10.1073/pnas.76.2.717
语种：English
出版社：The National Academy of Sciences of the United States of America
摘要：The mitochondrial tyrosine tRNA from Neurospora crassa has been sequenced and found to have several interesting features: (i) It resembles prokaryotic rather than eukaryotic tyrosine tRNAs in that it possesses a large variable loop (loop III); moreover, it can be quantitatively aminoacylated by Escherichia coli tyrosyl-tRNA synthetase but not by yeast tyrosyl-tRNA synthetase. (ii) This tRNA differs from all tRNA's sequenced to date in lacking the A residue at position 14 and the constant purine residue at position 15, two nucleosides that have been found so far in loop I of all tRNA's and that have been implicated in base-base tertiary interactions, respectively, with the universal U residue at position 8 and the constant pyrimidine residue at the end of loop III. (iii) Unlike the N. crassa mitochondrial initiator tRNA, this tRNA contains the usual TpsiC sequence in loop IV and the highly conserved GG sequence in loop I common to other tRNAs.
