530 



IMMUNO-CATALYSIS 



Dehydrogenases— (Cowt'ii) 

 glutamic acid, 372 

 d-glyceraldehyde-3-phosphate, crys- 

 talline, 26 

 lactic acid, 26, 167-168, 204 

 malic acid, 168-170 

 phosphoglyceraldehyde, 204, 367 

 pyruvic acid (reductase), 26, 167- 



168 

 succinic acid, 166, 168 

 Desoleolecithin, 309 (see Lysoleci- 



thin) 

 Desoxyribonuclease, crystalline, 27 

 Dextran, 228 



serological specificity of, 228-230 

 synthesis by L. dextranicum, 237 

 synthesis from sucrose by L. mes- 

 enteroides, 228 

 Dextrin, 218 

 Diethyleneglycol, 34 

 Di-phtheriae, Corynebacterium, 3, 116 

 agglutinins, 189 

 antitoxin, 88, 118-119, 189 

 antigenic specificity, 88, 133 

 cleavage products of, 119-120 

 antigenic specificity of, 88 

 antitoxic capacity of, 119-120 

 polysaccharides in, 131 

 toxin, 30, 187, 188 

 acylation of, 199 



adsorption on charcoal, erythro- 

 cytes, 188 

 antitoxin precipitate, use as anti- 

 gen, 136 

 Disaccharide, 95 

 Disproportionality, 29 



in antibody production, 30-35 

 in catalysis, 29-30 

 Drugs, resistance to, 110 

 Dye 



in azo-protein, 73 

 echt-saure-blau, 73 

 indiffusible blue, 73 

 as hapten, 73 



E 



Earthworm(s) 



Ascaris lumhricoides, 184 

 proteinase in, 184 



antitryptic action of, 1 84 

 humhricus terrestris, 181 

 trypsin inhibitor in, 181 

 Edestin, 8 



pepsin complex, 185 

 Egg-albumin, 51, 61, 63, 87 

 antigenic specificity, 51 

 antibody against, 63, 65-66 

 iso-antigenicity, 51 

 R-salt-azo-benzidine-azo-, 72 

 Electrophoresis, 10 

 Emulsin, 127 



antibody against, 214, 215-217 

 asymmetric synthesis, role in, 126- 



129 

 /3-d-glucoside, hydrolysis of, 145 

 Energy 



free, 27, 369 

 of activity, 27, 28 

 phosphate bond, rich in, 369 

 Enolase, 371 

 Enolization, 18 



acid catalyzed, 18, 19 

 Enterokinase, 107 

 Enzymes, crystalline, 25-26 



adaptive (as related to antibody 



formation), 95 



a common precursor of, 97, 98 



a critique of, 95-104 



as antigens, a comparison, 27-45, 



116-118, 144-159 

 antibody against, 39, 175 (see 



Anti-enzymes) 

 comparison with toxins, 187 

 conjugated, 117-118 

 dehydrogenases, 26, 166, 167-168, 

 170, 204, 363 

 coenzymes of, 363 

 antibody against, 377-397 



