INDEX 



671 



ionization of, 272 



methylation of, 42 



phosphate linkages, 413-415 



phosphorolysis of, 602, 603 



structure, x-ray diffraction and, 455 



synthesis of, 151 



thymidine phosphorylase and, 605 



titration anomalies and, 523 



trit}'! derivative of, 146 



ultraviolet absorption of, 505, 508, 511 



uridine hydrolase and, 606 



uridine phosphorj-lase and, 606 

 Guanosine diphosphate mannose, 



isolation of, 190 



occurrence of, 60 

 Guanosine-2'-phosphate, 



electrophoresis of, 269 



ultraviolet absorption of, 513 

 Guanosine-2',3'-phosphate, see also Nu- 

 cleotides, C3'clic, 



ribonuclease and, 425 

 Guanosine-3'-phosphate, 



electrophoresis of, 269 



ultraviolet absorption of, 513 

 Guanosine-5'-phosphate, 



proof of structure, 164 



synthesis of, 174 



ultraviolet absorption of, 513 

 Guanosine phosphates, see also Guanylic 

 acid 



tumors and, 189 

 Guanosine triphosphate, 



formation of, 626 



isolation of, 189 

 Guanylic acid, 4, 120 



analysis for, 395 



cytoplasmic pentose nucleic acid and, 

 400 



deamination of, 598 



discovery of, 167 



dissociation constants, 459-460 



hyperchromic effect and, 519-520 



ion-exchange of, 222, 223, 224 



ionization of, 268-269 



isomers of, 38, 168-169 

 ion-exchange of, 228 

 spleen nuclease and, 432 



paper chromatography of, 255-256, 257 



pentose nucleic acid 

 liver, 397-398 

 pancreas, 398 



ratios, 407 



thymus, 398 



yeast, 402 

 ribonuclease digests and, 407, 571 

 ultraviolet absorption of, 514, 519 



H 



5-Halouracils, 104 



Heparin, ribonuclease and, 385-386, 572 



Heptoses, cysteine-sulfuric acid reaction 



and, 294-295 

 Hexals, cj-steine reaction and, 293 

 Hexamethylbenzene, dichroic ratios of, 



537 

 Hexammine cobaltic chloride, nucleic 



acid purification and, 333 

 Hexoses, 



cysteine-sulfuric acid reaction and, 



294-295 

 diphenylamine and, 288 

 indole-hydrochloric acid reaction and, 

 297, 298 

 Hexuronic acids, 

 cysteine-sulfuric acid reaction and, 



294-295, 303 

 cysteine reaction and, 293 

 diphenylamine and, 288 

 orcinol reaction and, 301 

 Histone, 

 diphenylamine and, 289-290 

 isolation of, 326-327 

 nucleic acid combination, 320-321, 531 

 nucleic acid fractionation and, 363 

 occurrence of, 311-312 

 Humidity, deoxypentose nucleic acid 



and, 539-541 

 Hydantoin, 621 



Hj'drazine, reaction with uridine, 144 

 Hydrochloric acid, paper chromatog- 

 raphy and, 249, 253-254, 255 

 Hydrogen peroxide, uracil and, 120-121 

 Hydrouracil, 98 



Hydroxyacetylenediureidocarboxylic 

 acid, formation from uric acid, 616- 

 617 

 a-Hydroxyacids, cj'steine reaction and, 



293 

 /3-Hydroxyacids, cysteine reaction and, 



293 

 2-Hydroxyadenine, see Isoguanine 



