1156 



SUBJECT INDEX 



dopa decarboxylase, 312 



erythro - 2,3 - Dihydroxybutyrate - phos- 

 phates, enolase, 410 



3,4-Dihydroxycinnamate, see Caffeate 



5 - (3,4 - Dihydroxycinnamoyi) - salicylate, 



dopa decarboxylase, 312 



2,2' - Dihydroxy-6,6' - dinaphthyldisulfide 

 (DDD), determination of SH groups, 

 921 



3,4-Dihydroxyhydrocinnamate, dopa de- 

 carboxylase, 313 



Dihydroxymaleate, catechol oxidase, 297 



2,4-Dihydroxy-6-methylpyrimidine, dihy- 

 droorotate dehydrogenase, 470 



6,7-Dihydroxy-7-n-pentyl-8-(r-ribityl)lu- 

 mazine, riboflavin synthetase, 543 



Dihydroxyphenylalanine, see Dopa 



Dihydroxyphenylalanine decarboxylase, 

 see Dopa decarboxylase 



2,5-Dihydroxyphenylpyruvate, p-hydro- 

 xyphenylpyruvate oxidase, 306 



6,7-Dihydroxyriboflavin analog, ribofla- 

 vin synthesis, 539 



Diimidotriphosphate, oxidative phospho- 

 rylation, 448 



Diiodothyronines, thyroxine deiodinase, 

 603 



3,5-Diidotyrosine, 



dopa decarboxylase, 308 



tyrosine: a-ketoglutarate transaminase, 



306 



Diisopropylfluorophosphonatase, see DFP 

 ase 



Diisothioureas, 



diamine oxidase, 363-365 

 structures of, 361 



a,y-Diketovalerate, lactate dehydroge- 

 nase, 437 



Dimercaptides,ofHg++ and thiols, 746-751 



6 - ( 2 , 6 - Dimethoxybenzamido) penicilli- 



nate, penicillinase, 599, 615, 688 

 Dimethoxyphenylalanines, dopa decar- 

 boxylase, 308 

 Dimethoxyphenylethylamines, dopa de- 

 carboxylase, 308 

 Dimethylacetone, glyoxylase, 594 

 Dimethylacrylate, d -amino acid oxidase, 

 343 



iV^-Dimethyladenine, 



adenine deaminase, 466 



inosine phosphorylase, 471 

 iV-(4 - Dimethylamino - 3,5 - dinitrophenyl) 



maleimide, determination of SH groups, 



641 

 5,6-Dimethylbenzimidazole, 



cyanocobalamin synthesis from, 589 



Lactobacillus growth, 589-590 

 Dimethylglutarates, kynurenine : a - keto- 



glutarate transaminase, 608 

 Dimethylglycine, betaine : homocysteine 



transmethylase, 356 

 Dimethylguanidine, histidase, 353 

 4,4- Dimethyl - 17 ^ - hydroxyandrost - 5 - 



eno(3,2-c) pyrazole, /?- hydroxy steroid 



dehydrogenase, 449 

 iV-Dimethylmalondiamide, carcinostasis, 



202 

 2,2-Dimethylsuccinate, kynurenine:a-ke- 



toglutarate transaminase, 608 

 2,4 - Dimethyl - cyclo - telluropentane - 3,5- 



dione, 



bacterial growth, 576 



structure of, 563 

 2,4-Dinitrophenol (DNP), 



gastric acid secretion, 915-916 



mercurial inhibition of ATPase, 869 



mitochondrial swelling, 210 



porphyrin synthesis, 162 



renal transport of PAH, 205 

 2,6-Dinitrophenol, D-amino acid oxidase, 



348 

 Dinitrophenol reductase, mercurials, 860 

 ^-2,4 - Dinitrophenylpropionate, chymo- 



trypsin, 369-370 

 Diol dehydrase, 



cyanocobalamin, 590 



hydroxocobalamin, 590 

 Dioxindole, acetylindoxyl oxidase, 591 

 Dipeptidase, 



analogs, 367-368 



o-iodosobenzoate, 708 



mercurials, 837 

 o-Diphenol oxidase, see Catechol oxidase 

 Diphenylglycolate, glycolate oxidase, 593 

 Diphenylphosphate, phosphatase (acid), 



441 



