1226 



SUBJECT INDEX 



Succinyl peroxide, enzyme inhibitions by, 



694 

 Sucrose, 



a-amylase, 420 



/S-amylase, 421 



a-dextran-l,6-glucosidase, 417 



a-glucosidase, 416-417, 423 



a-mannosidase, 422 



uptake by Fhizoctonia, mercurials, 911 

 Sucrose transfructosylase, analogs, 421 

 Sugar cane, glucose uptake, 



mercurials, 910-911 

 Sugar pine seedlings, see also Pinus lam- 



bertiana, 



tricarboxylate cycle oxidations, ma- 



lonate, 74, 80, 82 

 Sulfamate, phosphatase (acid), 441 

 Sulfanilamide, acetylation of, 



mercurials, 927 

 Sulfanilamide acetylase, 



analogs, 601 



mercurials, 750 

 Sulfanilate, D-amino acid oxidase, 343 

 Sulfatases, 



analogs, 443-444 



mercurials, 860 

 Sulfate, 



aldolase, 414 



arylsulfatases, 443-444 



choline sulfatase, 444 



creatine kinase, 446 



glycolysis (anaerobic), 414 



thiosulfate utilization by Neurospora, 



451-452 



tyrosinase, 301 



uptake by yeast, thiosulfate, 267 

 Sulfated hyaluronate, hyaluronidase, 459 

 Sulfated pectate, hyaluronidase, 459 

 Sulfated polysaccharides, 



lipoprotein lipase, 463 



ribonuclease, 462-463 

 Sulfenyl iodine groups, formation by io- 

 dine, 680-681 

 Sulfhydryl enzymes, 



definition of, 635, 647 



oxygen inactivation of, 659 



reactivity of SH groups, factors deter- 

 mining, 643-647 



Sulfhydryl groups, 



addition to double bonds, 643 



alkylation of, 642 



bond characteristics, 639 



chemical properties, 637-642 



determination of, 640-642, 667, 669, 



671-672, 680-681, 697-698, 702-704, 



752-757, 762-768, 798-809 



hydrogen bonding, 640 



ionization of, 638 



oxidation of, 642, 655-700 



oxidation-reduction potentials, 656 



reactivity of, factors determining, 643- 



647 



role in cellular function, 637 



role in metabolism, 636-637 

 Sulfhydryl reagents, 635-653 



configurational changes in enzymes, 



649-650 



enzyme inhibitions, 



interpretation of, 647-650 

 mechanisms of, 647-648 

 protection against, 650-651 

 reversal of, 650-651 



reaction with disulfides, 640 



reaction with SH groups, pH effects, 



638 



specificity of, 652-653 



types of reactions with enzymes, 642- 



643 



uses of, general considerations, 651- 



653 

 Sulfite, 



arylsulfatase, 443-444 



choline sulfatase, 444 



oxidation of, thiosulfate, 451 

 Sulfite oxidase, 



analogs, 451 



quinacrine, 555 

 Sulfoacetate, aspartase, 355 

 o-Sulfobenzoate, 



intercharge distance, 7 



succinate dehydrogenase, 243 

 Sulfocholine, thetin:homocysteine trans- 



methylase, 356 

 Sulfoglycolate, 



glycolate oxidase, 438 



structure of, 438 



