The clustering on thePseudomonas putida chromosome of genes specifying dissimilatory functions B. J. LeidighM. L. Wheelis OriginalPaper Pages: 235 - 242
A new isozyme of triose phosphate isomerase specific to hominoids H. RubinsonM. C. MeienhoferJ. C. Dreyfus OriginalPaper Pages: 243 - 250
The effect of Mg2+ and Ca2+ on urea-catalyzed phosphorylation reactions G. J. HandschuhR. LohrmannL. E. Orgel OriginalPaper Pages: 251 - 262
The relationship of DNA base composition and individual protein composition in micro-organisms R. A. Elton OriginalPaper Pages: 263 - 276
Doublet frequency analysis of bacterial DNAs G. J. RussellD. J. McGeochJ. H. Subak-Sharpe OriginalPaper Pages: 277 - 292
Doublet frequencies in the DNA of genetic code limit organisms R. A. Elton OriginalPaper Pages: 293 - 302
Catalysts for the self-polymerization of adenosine cyclic 2′,3′-phosphate M. S. VerlanderR. LohrmannL. E. Orgel OriginalPaper Pages: 303 - 316
The probability of electrophoretic idendity of proteins as a function of amino acid divergence Jack Lester King OriginalPaper Pages: 317 - 322
Genetic distance and electrophoretic identity of proteins between taxa Masatoshi NeiRanajit Chakraborty OriginalPaper Pages: 323 - 328
Self-complementarity of messenger RNA's of periodic proteins Martynas Yčas OriginalPaper Pages: 329 - 338
Transfer RNA: Evidence for decreasing size variation during evolution H. J. Gross OriginalPaper Pages: 339 - 342
Recently published protein sequences. III Thomas H. JukesRichard Holmquist Letter to the Editor Pages: 343 - 361