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245, 328, 336, 351, 382, 401, 465, 520, 548, 594, 677, 685], 'small,': [3, 352], '12-kDa,': [4, 353], 'highly': [5, 354], 'polyspecific': [6, 355], 'antiporter,': [7, 356], 'which': [8, 70, 122, 357, 419, 471], 'exchanges': [9, 358], 'hydrogen': [10, 359], 'ions': [11, 360], 'with': [12, 80, 85, 161, 185, 195, 221, 240, 267, 277, 361, 429, 434, 510, 534, 544, 570, 589, 616, 626], 'aromatic': [13, 362], 'cations': [14, 363], 'such': [15, 364], 'as': [16, 234, 365, 583], 'methyl': [17, 366], 'viologen.': [18, 367], 'EmrE-mediated': [19, 368], 'transport': [20, 98, 369, 447], 'inhibited': [22, 371], 'by': [23, 32, 372, 381], 'the': [24, 45, 48, 55, 64, 72, 126, 132, 149, 178, 196, 209, 214, 218, 222, 231, 241, 259, 268, 281, 285, 295, 307, 317, 325, 341, 373, 394, 397, 404, 413, 421, 475, 481, 498, 527, 545, 558, 563, 567, 571, 580, 590, 608, 617, 630, 634, 644, 656, 666, 674, 690], 'sulfhydryl-reactive': [25, 374], 'reagent': [26, 210, 375, 559], '4-(chloromercuri)benzoic': [27, 376], 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170, 207, 225, 331, 472, 519, 556, 574, 680], 'one': [124, 473], 'native': [127, 476], 'cysteines': [128, 477], 'left': [130, 479], 'whereas': [131, 480], 'changed': [134, 483], 'were': [137, 486], 'constructed.': [139, 488], 'The': [140, 322, 489, 671], 'use': [141, 490], 'these': [143, 492], 'demonstrated': [145, 494], 'two': [147, 269, 496, 618], 'EmrE,': [153, 502], 'Cys-41': [154, 313, 503, 662], 'Cys-95,': [156, 505], 'Cys-39,': [159, 278, 508, 627], 'react': [160, 239, 509, 588], 'PCMB.': [162, 511], 'related': [164, 513], 'mercurial,': [165, 514], '4-(chloromercuri)benzenesulfonic': [166, 515], '(PCMBS),': [168, 517], 'very': [172, 521], 'poor': [173, 522], 'inhibitor,': [174, 523], 'probably': [175, 524], 'because': [176, 293, 525, 642], 'negative': [179, 528], 'charge': [180, 529], 'bears.': [182, 531], 'PCMBS': [183, 532], 'reacts': [184, 194, 266, 533, 543, 615], 'an': [188, 300, 346, 537, 649, 695], 'asymmetric': [189, 296, 538, 645], 'unique': [191, 337, 540, 686], 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