544 



IMMUNO-CATALYSIS 



Starch, 215, 220, 370 



/3-amylase, hydrolysis by, 220 

 inhibition by anti-/3-amylase, 

 220-223 

 Stereoisomerism, 17 



conjugated antigens, specificity of, 



147-153 

 constitutional, 151 

 immune and enzyme reactions, role 

 in the specificities of, 

 153-156 

 ring, 151 

 sugar, 151 

 Stoichiometric relationships, 11, 24, 

 25, 35, 43, 44, 63, 79, 

 86, 157 

 Streptococcal 



fibrinolytic factor, 265-278 



consideration as lipolytic enzyme, 

 278 

 Streptococcus salivarius 



levulan, synthesis by, 229-230 

 Streptococcus pyogenes Qhemolyticus^ , 

 3, 116, 182,239 

 amino acid oxidase, 375 

 hemolysin, 322, 324-328 



inactivation by the action of pro- 

 teinases, 324 

 lipoprotein, as inhibitor of, 322 

 properties of, 325 

 thiol groups, role of, 325-326 

 hyaluronidase in, 237, 238, 242 

 polysaccharide, serologically in- 

 active, 379 

 proteinase, 259-260, 277 

 Streptococcus viridans, 3, 74 

 Streptokinase, 264, 277 

 Streptolysins, 269-270, 326-328 

 Strophanthin, inhibitor of cholines- 



terase, 423-427 

 Succinic acid, 373 



oxal-, 373 

 Succinoxidase, inhibition of, 166-167 

 Sucrose (see Saccharose) 

 Sulfhydryl groups (see Thiol groups) 



Sulfur dioxide, 12 



Sulfuric acid, synthesis of , 12, 14 



Tannic acid 



detoxification of toxins, cobra 

 venom, ricin with, 186, 

 187 

 egg-albumin, precipitation with, 186 

 invertase, reaction with, 186 

 peptone, precipitation with, 186 

 Tartaric acid, 145 



decomposition by Penicillium glau- 



cum, 145 

 as hapten, 148 

 Tartranilic acid, d- and 1-, as antigens, 



132 

 Tetanus 



antitoxin, 31, 62 

 toxin, 30, 31, 62, 187 



avidity for tissue cells, 62 

 Thiamine, 99 



diphosphate, 364, 371 

 Thiol groups (sulfhydryl groups) 

 antigenic specificity and, 203 

 bee and scorpion poisons, 202 

 cobra hemolysin, crotoxin, relation 



to the activity of, 202 

 enzyme activity and, 202 

 /3-amylase, 202, 219-220 

 papain, phosphoglucomutase, 

 phosphoglyceraldehyde 

 dehydrogenase, pyruvic 

 oxidase, succinoxidase, 

 202, 219-220 

 fibrin formation, function in, 282- 



285 

 fibrinogen, varieties of, 284-285 

 oxidation by thrombin, papain in 

 fibrin formation, 285 

 inactivation of, 202 

 keratines and, 203 

 pneumococcal hemolysin, role in, 



320 

 urease, 203 



