INDEX 



679 



5'-phosphates, 173-174 



ultraviolet absorption of, 511-514 

 2'-Nucleotides, 3'-nucleotidase and, 593 

 5'-Nucleotides, 3'-nucleotidase and, 593 

 Nucleotropomyosin , 



isolation of, 376 



pentose nucleic acid content of, 382 



surface charge of, 381-382 



O 



Oligonucleotides, 



chromatographic separation of, 429 

 deoxypentose, [jhosphodiesterase and, 



587 

 deoxyribonuclease and, 442, 578 

 hydrolysis, 



alkaline, 426-427 



enzymatic, 562-563 

 nucleic acid hydrolj-sis and, 196 

 pentose, phosphodiesterase and, 587 

 periodate and, 424 

 phosphate, position of, 421 

 production of, 423 

 ribonuclease and, 426-427, 562 

 ribonucleic acid, structure of, 428-430 

 synthesis, enzymatic, 566 

 uranyl chloride and, 567 

 Orcinol, reaction, 35 

 deoxyribose and, 54 

 ribonucleic acid, 



interfering substances, 301-302 



purines and, 394 



quantitative, 301, 302 



specificity, 301 

 Orotic acid, 622 

 dihj'droorotic acid dehydrogenase and, 



621 

 barbiturase and, 623 

 conversion to uracil, 608 

 decarboxylation of, 130 

 degradation, enzymatic, 620-621 

 nucleotide pyrophosphorylase and, 



607-608 

 occurrence of, 100 

 paper chromatography of, 253 

 properties of, 101 

 thymidine phosphorylase and, 605 

 Orotidine, 159 



isolation of, 100-101 

 Orotidylic acid. 



biosynthesis of, 607-608 

 decarboxylation of, 608 

 Orthoformate, pyrimidine synthesis and, 



129 

 Oxalic acid, formation from uracil, 120, 



121 

 Oxalic acid dihydrate, hydroxyl bond 



length in, 449 

 Oxaluric acid, 



formation from uracil, 120 

 formation from uric acid, 618 

 3-Ox3'quinaldine, thymine estimation 

 and, 121 



Paludrine, resemblance to pyrimidines, 



104 

 Pancreas, 



pentose nucleic acid of, 398 

 ribonucleases of, 558-575 

 Pantetheine, 185 

 Pantetheine-4'-phosphate, synthesis of, 



186 

 Pantothenic acid, 184 

 Paper Chromatography, see Chromato- 

 graphy, paper 

 Paper, electrophoresis and, 274, 275 

 Parabanic acid, formation from guanine, 



85, 122 

 Penicillin, ribonuclease and, 572 

 Pentobarbital, barbiturase and, 623 

 Pentose nucleic acids, see also Ribo- 

 nucleic acids 

 acid-base properties of, 480-483 

 adsorption of, 391 

 bacterial, inhibition by, 390 

 birefringence of, 539 

 cellular, 



analysis of, 205-209 

 distribution, 374 

 chain-branching of, 482 

 composition, 

 electrophoresis and, 276-277 

 elementary, 393-394 

 contamination, 350 

 detection of, 317 

 deaminated, titratable groups of, 481 

 decomposition of, 392-393 

 dialyzable fraction of, 391 

 degradation, 



