Index I-47
Stabilization, protein, 130–131
Stacked-X conformation, 1227F
Stacking associations, in tRNAs,
1348–1349
Stacking gel, 148
Stadtman, E., 1068
Stadtman,T., 1361
Staggered conformation, 222, 223F
Stahl, F., 90, 1173
Staining, 149, 158
Standard free energy changes, 59–60
Standard redox potential, 584, 585T
Standard state, 58–60
Stanley, C., 1023
Staphylococcal nuclease, 143F
Staphylococcus, 4F
Starch, 359, 369–370, 932F
Starch-branching enzyme, 931
Starch synthase, 645, 931
Stark, H., 1315–1316
Starvation, 871, 973, 1101
State, of a system, 53, 56
State functions, 53, 54
Statins, 990–991
Stationary phase, 135
Statistical factors, 348
STATS (signal transducers and activators of
transcription), 718
Stavudine, 1208
STCs (sequence-tagged connectors), 181
Ste5p, 713–714
Steady state, 488–490, 588
Stearic acid, 386, 387F, 387T, 392F
1-Stearoyl-2-oleoyl-3-phosphatidylcholine,
390F
Steatorrhea, 943
Steitz, J., 1311, 1329, 1356
Steitz,T., 597, 968, 1177, 1178, 1208, 1229,
1240, 1286, 1353, 1366, 1375, 1383
Stem cells, 121
Step-wise elution, 136–137, 136F
Stercobilin, 1056, 1057
Stereoelectronic assistance, 514–515
Stereoelectronic control, 514
Stereoisomers, 75
Stereo pair, 271
Stereo pictures, 271, 271F
Stereospecificity, enzymes, 470–472
Stereospecific numbering, 389F
Steric interference, polypeptides,
222–225, 223F
Steroid hormone receptors, 291–293
Steroid hormones, 392, 393, 673T,
680–682, 976
biosynthesis, 991–993, 992F
Sterol, 392
Sterol regulatory element (SRE), 987
Sterol regulatory element binding protein
(SREBP), 988, 988F, 989
Sterol-sensing domain, 987
Steven,A., 436
Stevens, R., 404
Sticky ends, 105, 117–118
Stigmasterol, 393
Stigmatellin, 849
Stöffler, G., 1365
Stokes equation, 155
Stokes radius, 155
Stomata, 904
Stoops, J., 798
Stop codons, 99, 100T, 1343
Stopped-flow device, 284, 284F
Stop-transfer anchor sequence, 426
Storage polysaccharides, 369–370
Stout, D., 808
Strain, lysozyme catalytic mechanism and,
522–523
Strand passage mechanism, 1163–1165,
1164F
Streptavidin, 298, 857–858, 873
Streptomyces alboniger, 1382
Streptomyces antibioticus, 1272
Streptomyces griseus protease A (SPGA),
530–531
Streptomyces mediterranei, 1269
Streptomycin, 1263F, 1388, 1395, 1395T,
1396F, 1397
Streptomycin-resistant mutants, 1395, 1397
Stringent control, 107, 1301
Stringent factor, see RelA
Stringent response, 1301, 1397
Stroke, 865
Stroma, 11–12, 902
Stromal lamellae, 902
Strong acids, 46–47
Strong bases, 47–48, 48F
Stroud, R., 529, 817
STRs (short tandem repeats), 115–116
Structural Classification of Proteins
(SCOP), 256T, 258
Structural genes, 117, 203, 1262
Structural genomics project, 258–259
Structural polysaccharides, 367–369
Structure-activity relationships (SARs), 540
Structure-based drug design, 541
STSs (sequence-tagged sites), 181
Stubbe, J., 1119
Stueher, D., 686
Sturtevant,A., 24
S-type pneumococci, 86, 86F
su1 nonsense suppressor, 1362T
su2 nonsense suppressor, 1362T
su3 nonsense suppressor, 1362T
su4 nonsense suppressor, 1362T
su5 nonsense suppressor, 1362T
su6 nonsense suppressor, 1362T
su7 nonsense suppressor, 1362T
Sublactam, 378
Submitochondrial particles, 852
Substania nigra, 1060
Substiuents, of prochiral centers, 77
Substrates, 58, 348, 469, 1128
Substrate cycles, 624, 628–629
Substrate-level phosphorylation, 582
Substrate specificity, 470–473, 470F
Subtilisin, 119, 525T, 531, 531F, 534
Subunits, protein:
composition, 270–271
interactions, 266, 267
and nucleic acid subunits, 164
Subunit IV, of cytochrome b, 920
Succinate, 493, 791, 811, 947
Succinate dehydrogenase, see Complex II
Succinate thiokinase, 810
Succinic acid, 32T, 49
Succinylcholine, 782
Succinyl-CoA, 567, 956
from amino acids, 1034–1039
in citric acid cycle, 766F, 789, 810–811, 811F
in heme biosynthesis, 1048
Succinyl-CoA synthetase, 791, 810–811, 811F
Succinyl-phosphate, 810
Suck, D., 1233
Sucrase, 370
Sucrose (table sugar), 144, 265, 367, 367F,
488, 932F
Sucrose-6-phosphate, 932
Sucrose-phosphate phosphatase, 932
Sucrose-phosphate synthase, 932
Sucrose phosphorylase, 501
Sudden infant death syndrome (SIDS), 948
Sugar-phosphate chain conformation,
1152–1154, 1152F, 1153F
Sugars, 15, 359. See also Monosaccharides;
Polysaccharides
synthesis in prebiotic conditions, 33
Suicide substrates, 1128
Sulfanilamide, 1064
Sulfate ion, 45T
Sulfate-reducing bacteria, 6
Sulfatides, 391, 1008, 1010, 1010F
Sulfite reductase, 934, 1072
Sulfolobus solfataricus, 1222, 1222F
Sulfonamides, 1064, 1111
Sulfoquinovosyl diacylglycerol, 902
Sulfuric acid, 46
Sulston, J., 181
Sumner, J., 132, 470
SUMO (small ubiquitin-related
modifier), 1421
Sundaralingam, M., 1153
Sup35 protein, 315–316
Superacids, 511
Supercoiled DNA, 1158–1170, 1160F,
1270–1271
measurements of supercoiling, 1160–1162
superhelix topology, 1158–1160
topoisomerases, 1162–1170
Superhelix, 433, 1158–1160
Superhelix density, 1162
Superoxide dismutase (SOD), 489T, 491,
491F, 866
Superoxide ion, 325, 341
Superoxide radical, 491
Superrepressed mutants, 1336
Supersecondary structures, 249–251
Supertwisting, 1158
Suppressors, 1340
Suppressor tRNAs, 1362
Supramolecular assemblies, 15, 16F
Surface-active molecules, 51
Surface hydrophobicity, 145
Surface labeling, 400
Surfactants, 51
Surroundings, 52
Sutherland, E., 661, 722
Sutton,W., 22
SV40 (Simian virus 40):
enhancers, 1282–1283
GC boxes, 1282
large-T antigen, 1211
replication studies, 1202
supercoiling, 1162, 1162F
Svedberg,T., 152
Svedbergs (unit), 153
Swiss-Pdb Viewer, 256T, 257
SWISS-PROT, 195, 203
Swiss-Prot Protein Knowledgebase, 195T
Swiss roll barrel, 252, 252F
sxl (sex-lethal) gene (Drosophila
melanogaster), 1318
SXL protein, 1318
SYBR Safe, 158
Symmetry, proteins, 267–270
Symmetry model, of allosteric interactions,
349–351
Symport, 758, 758F
Synapses, 440, 440F, 527, 778
Synaptic cleft, 440, 440F, 778
Synaptic complex, 1237
Synaptic vesicles, 440, 441F, 779, 780
Synaptobrevin, 441, 441F, 444
Synaptojanin1, 736
Synaptosomes, 440, 779, 1241F
Synaptotagmin I, 779
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