INDEX 



681 



ribonuclease digests and, 569 

 specific, 591-593 



transphosphorylation by, 593-594 

 5'-Phosphatase, 164 

 Phosphate, 

 donors, phosphatases and, 594 

 inorganic, in nucleotide separation, 



224 

 liberation from pentose nucleic acid, 



193, 194-195 

 3'-nucleotidase and, 593 

 position, ultraviolet absorption and, 



511-514 

 sugar, separation from nucleotides, 

 224-225 

 Phosphocreatine, hjdrolysis of, 37 

 Phosphodeoxyriboaldolase, deoxjribose 



synthesis and, 59 

 Phosphodiesterase, 



antivenoni serum and, 588 

 deoxyribonuclease digests and, 579 

 inhibition of, 588 

 intestinal, 

 assay, 590 

 specificity, 588-590 

 ribonucleic acid and, 422-423 

 snake venom, 



activators and inhibitors, 588 

 degradation products, 586-587 

 toxicity and, 587-588 

 specificity, 585-586 

 Phosphodiesters, 

 deoxyribonucleic acids and, 440 

 nucleic acids and, 410, 412 

 nucleic acid branching and, 422, 433 

 ribonuclease and, 423, 569 

 Phosphoglucomutase, 37 

 Phosphogluconate, 35 



S'-nucleotidase and, 592 

 Phosphomonoesterase, 442, 587, 589-590 

 action, mechanism of, 563 

 periodate and, 424-425 

 ribonucleic acid and, 435 

 digests, 422, 424 

 end-group analysis, 438 

 snake venom, 585 

 trinucleotide structure and, 429 

 Phosphomonoesters, 

 nucleic acids and, 410-411 

 ribonuclease and, 423 



Phosphoriboaldolase, deoxyribose syn- 

 thesis and, 59 

 Phosphoribomutase, 37 

 Phosphorus, 

 compounds, separation from nucleo- 

 tides, 277-279 

 deoxypentose nucleic acid and, 334 

 estimation, 258 



nucleic acids and, 285-286 

 pentose nucleic acid, 393-394 

 Phosphoryl groups, secondar}^ ribo- 

 nuclease and, 567-568, 569 

 Phosphotriesters, 



nucleic acids and, 410-411, 412, 440, 

 482, 483 

 branching of, 422, 433, 436 

 stability of, 416 

 Phytonucleic acid, 3 



Picrates, purine and p3-rimidine, 124-125 

 Piperidine, paper chromatography and, 



253 

 Plants, 



deoxypentose nucleic acid extraction, 



330 

 deoxyribonuclease of, 584 

 nucleoprotein isolation from, 376-379 

 pentose nucleic acid isolation from, 



389-390 

 ribopolj'nucleotidases of, 576 

 viruses, nucleotides of, 403-405 

 "Plasmonucleic acid", see Pentose 



nucleic acids 

 PNA, see Pentose nucleic acids 

 Polarography, purines and pyrimidines, 



119-120 

 Poly-N-n-butj'l-4-vinylpyridonium bro- 

 mide, electrolytes and, 484 

 Polynucleotides, 

 electrophoresis of, 268-272, 280-281, 



282 

 elation sequence, 235 

 ion-exchange of, 233-235 

 limit, 

 common structures of, 562 

 composition, 579 



deoxyribonuclease, 345, 579, 584-585 

 dialysis of, 562 



hyperchromia effect and, 569-570 

 infrared absorption and, 549-550 

 molar absorptivities of, 519-520 



