| 
      Note: ins, insertion; del, deletion; FR, flanking region; PR, promoter region; UTR, untranslated region; ADV, adefovir; CDV, cidofovir; CIM, cimetidine; DHEA-s, dehydroepiandrosterone sulphate; ES, estrone sulphate; MTX, methotrexate; OTA, ochratoxin A; PAH, para-aminohippuric acid; PRA, pravastatin; TNV, tenofovir; TOR, torsemide; UA, uric acid; CL, clearance; ↑, increase; ↓, decrease; Km, Michaelis constant; Vmax, maximum transporter velocity; N.D., not determined.
        | Gene | dbSNP | Genetic    Polymorphism | Minor    Allele Frequency (%) | Position | Functional    Change | Protein    Expression | Transporter    Kinetic Characteristics |  
        | SLC22A6/OAT1/NKT |  | -3655G>A [55] | 0.5 [55] | 5’    UTR | N.D. | N.D. | N.D. |  
        | rs4149171 | -560A>G [51,54] | 29.5 [51] | 5’ UTR | N.D. | N.D. | N.D. |  
        |  | -453G>A [51,54] | 27.2 [51] | 5’ UTR | N.D. | N.D. | N.D. |  
        |  | -418C>T [51] | 0.5 [51] | 5’ UTR | N.D. | N.D. | N.D. |  
        | rs4149170 | -127G>A [52] | 26 [52] | 5’ UTR | N.D. | N.D. | N.D. |  
        | rs57677322 | -302C>T [51] | 1.6 [51] | 5’ UTR | N.D. | N.D. | N.D. |  
        | rs4149171 | -20A>G [52] | 27 [52] | 5’ UTR | N.D. | N.D. | N.D. |  
        | rs955434 | G>A [56] | N.D | 5’ SLC22A6 | TOR    CL no change [56] | N.D. | N.D. |  
        |  | 20T>C [50] | 0.5 [50] | Leu7Pro | N.D. | N.D. | N.D. |  
        | rs11568626 | 149G>A  [2,50,51,53] | 1.1 [2],    0.5 [50], 4.2 [51], 1.7 [53] | Arg50His | PAH [2,51]    / OTA [2]    / MTX [2]    uptake no change | N.D. | Km and Vmax    of PAH / OTA no change [2] 
          Km and Vmax    of ADV / CDV / TNV ↓ [51] |  
        | rs11568630 | 180C>T [2] | 0.4 [2] | Lys60Lys | N.D. | N.D. | N.D. |  
        | rs11568630 | 180C>T [51] | 0.6    [51] | Asn60Asn | N.D. | N.D. | N.D. |  
        | rs11568625 | 186G>A [2] | 0.2    [2] | Gly62Gly | N.D. | N.D. | N.D. |  
        | rs11568628 | 252G>T [2] | 3.6    [2], 4 [50], 2.7 [51] | Pro84Pro | N.D. | N.D. | N.D. |  
        | rs11568627 | 311C>T [2] | 0.2    [2] | Pro104Leu | PAH    / OTA / MTX uptake no change [2] | N.D. | N.D. |  
        |  | rs11568629 | 351A>G [2,50,51] | 3.6    [2], 4 [50], 3.2    [51] | Pro117Pro | N.D. | N.D. | N.D. |  
        |  |  | 582C>G [51] | 0.7    [51] | Leu194Leu | N.D. | N.D. | N.D. |  
        |  | rs11568623 | 677T>C [2] | 0.2 [2] | Ile226Thr | PAH    / OTA / MTX uptake no change [2] | N.D. | N.D. |  
        |  | rs11568624 | 767C>T [2] | 0.2    [2] | Ala256Val | PAH    / OTA / MTX uptake no change [2] | N.D. | N.D. |  
        |  |  | 837G>A [51] | 0.6    [51] | Gly279Gly | N.D. | N.D. | N.D. |  
        |  | rs138717295 | 873C>T [51] | 0.6    [51] | Val291Val | N.D. | N.D. | N.D. |  
        |  | rs45607933 | 877C>T [2] | 0.6    [2] | Arg293Trp | PAH    / OTA / MTX uptake no change [2] | N.D. | Km and Vmax    of PAH / OTA no change [2] |  
        |  | rs11568619 | 1233C>T [2,50] | 0.2 [2], 1 [50] | Leu411Leu | N.D. | N.D. | N.D. |  
        |  | rs11568634 | 1361G>A [2] | 0.2 [2] | Arg454Gln | PAH    / OTA / MTX transport loss [2] 
          ADV    CL no change [2] | N.D. | N.D. |  
        |  |  | 1377A>G [52] | 1    [52] | Gly459Gly | N.D. | N.D. | N.D. |  
        |  | rs11568635 | 1470C>T [2,51] | 0.4    [2], 0.5 [51] | Tyr490Tyr | N.D. | N.D. | N.D. |  
        |  |  | 1575A>T [51] | 0.5    [51] | Lys525Ile | PAH    uptake no change [51] | N.D. | Km and Vmax    of ADV / CDV / TNV no change [51] |  
        |  |  | 55G>T  [52] | 24 [52] | Intron1 | N.D. | N.D. | N.D. |  
        |  | rs10897312 | 136C>T  [52] | 30 [52], 23 [53] | Intron1 | N.D. | N.D. | N.D. |  
        |  |  | 150G>A  [54] | N.D. | Intron3 | N.D. | N.D. | N.D. |  
        |  |  | 1515C>T  [51] | 1.2 [51] | Intron3 | N.D. | N.D. | N.D. |  
        |  |  | 211A>C  [54] | N.D. | Intron4 | N.D. | N.D. | N.D. |  
        |  | rs2276300 | 33C>T  [51,52,54] | 5.6 [51], 16 [52] | Intron5 | N.D. | N.D. | N.D. |  
        |  |  | 131C>T  [51] | 1.1 [51] | Intron5 | N.D. | N.D. | N.D. |  
        |  | rs4149174 | 168C>T  [52,54] | 45    [52] | Intron6 | N.D. | N.D. | N.D. |  
        |  | rs3017670 | -44T>C  [52] | 5    [52] | Intron8 | N.D. | N.D. | N.D. |  
        |  |  | 2017G>A  [51] | 8.3    [51] | Intron8 | N.D. | N.D. | N.D. |  
        |  |  | 2029T>C  [51] | 0.5    [51] | Intron8 | N.D. | N.D. | N.D. |  
        |  |  | 2061C>T  [51] | 12    [51] | Intron8 | N.D. | N.D. | N.D. |  
        |  | rs10897312 | C>T [56] | N.D. | Intron | TOR    CL no change [56] | N.D. | N.D. |  
        |  |  | -8472T>C [51] | 0.5    [51] | 3’ UTR | N.D. | N.D. | N.D. |  
        |  | rs736342 | C>T [56] | N.D. | 3’SLC22A6 | TOR    CL no change [56] | N.D. | N.D. |  
        | SLC22A7/OAT2/NLT | rs73625099 | 329C>T    [50] | 0.5    [50] | Thr110Ile | N.D. | N.D. | N.D. |  
        |  | 571G>A    [50] | 0.5    [50] | Val192Ile | N.D. | N.D. | N.D. |  
        | rs2270860 | 1269C>T    [50,54] | 40    [50],    14 [52] | Ser423Ser | N.D. | N.D. | N.D. |  
        | rs70953693 | 1520G>A    [50] | 0.5    [50] | Gly507Asp | N.D. | N.D. | N.D. |  
        | rs70953694 | 1539G>A    [52] | 2.0    [52] | Thr513Thr | N.D. | N.D. | N.D. |  
        |  | 269G>A [52] | 3.0    [52] | intron    4 | N.D. | N.D. | N.D. |  
        |  | 842G>A [54] | N.D. | intron    4 | N.D. | N.D. | N.D. |  
        | rs1574430 | 33C>A  [52,54] | 22.0    [52] | intron    5 | N.D. | N.D. | N.D. |  
        | rs2841648 | 183A>C [52,54] | 22.0    [52] | intron    5 | N.D. | N.D. | N.D. |  
        | rs2841647 | 184A>C [52,54] | 22.0    [52] | intron    5 | N.D. | N.D. | N.D. |  
        |  | 154T>C [52] | 1.0    [52] | intron    7 | N.D. | N.D. | N.D. |  
        | rs4149178 | 206A>G [52] | 2.0    [52] | intron    9 | N.D. | N.D. | N.D. |  
        |  | 1792A>G    [54] | N.D. | 3’    UTR | N.D. | N.D. | N.D. |  
        |  | 1386G>A    [54] | N.D. | 3’    FR | N.D. | N.D. | N.D. |  
        | SLC22A8/OAT3/ROCT |  | -2521C>T    [55] | 0.5    [55] | 5’    UTR | N.D. | N.D. | N.D. |  
        |  | -2520A>G    [55] | 0.5    [55] | 5’    UTR | N.D. | N.D. | N.D. |  
        |  | -1901C>G    [55] | 0.5    [55] | 5’    UTR | N.D. | N.D. | N.D. |  
        | rs11231306 | -1882G>C    [55] | 46.9    [55] | 5’    UTR | N.D. | N.D. | N.D. |  
        |  | -1851G>A    [55] | 20.3    [55] | 5’    UTR | N.D. | N.D. | N.D. |  
        | rs3840764 | -659_-658G>ins    [54,57] | 18.3    [57] | 5’    FR | N.D. | N.D. | N.D. |  
        | rs10792369 | T>C    [56] | 29    [56] | 5’    UTR | TOR    CL no change [56] | N.D. | N.D. |  
        | rs948980 | -578C>G    [54,57] | 18.3    [57] | 5’    FR | N.D. | N.D. | N.D. |  
        | rs948979 | -515A>C    [56,57] | 23    [56], 15.9 [57] | 5’    UTR | TOR    CL no change [56] | Promoter    activity and mRNA expression no change [57] | N.D. |  
        | rs3809069 | -461T>C    [54,57] | 26.2 [57] | 5’    FR | N.D. | N.D. | N.D. |  
        | ss94002361 | -19C>A    [57] | 1.6 [57] | 5’    UTR | N.D. | N.D. | N.D. |  
        |  | -16G>A    [54] | N.D. | 5’    UTR | N.D. | N.D. | N.D. |  
        |  | 30A>G    [55] | 0.5 [55] | 5’    UTR | N.D. | N.D. | N.D. |  
        |  | 41C>A    [55] | 0.5 [55] | 5’    UTR | N.D. | N.D. | N.D. |  
        | rs4149180 | 153G>A    [50,54,58] | 8 [50],    7.5 [58] | Pro51Pro | N.D. | N.D. | N.D. |  
        | rs11568479 | 387C>A    [1] | 0.2 [1] | Phe129Leu | ES    / CIM uptake no change [1] | N.D. | N.D. |  
        | rs45566039 | 445C>A    [1] | 0.4 [14,15] | Arg149Ser | ES    / CIM uptake lost [1] | N.D. | N.D. |  
        | rs201886442 | 523A>G    [50] | 0.5 [50] | Ile175Val | N.D. | N.D. | N.D. |  
        | rs11568496 | 715C>T    [1] | 0.2 [14,15] | Gln239Ter | ES    / CIM uptake lost [1] | N.D. | N.D. |  
        | rs2276299 | 723T>A    [50,54,56,58] | 24    [50],    13 [56], 27.5 [58] | Thr241Thr | TOR    [56] / PRA [58] CL no change | N.D. | N.D. |  
        | rs11568493 | 779T>G    [1] | 0.2    [14,15] | Ile260Arg | ES    / CIM uptake lost [1] | N.D. | N.D. |  
        | rs11568492 | 829C>T    [1] | 0.2    [14,15] | Arg277Trp | ES    uptake ↓ / CIM uptake no change [1] | N.D. | N.D. |  
        | rs45438191 | 842T>C    [1] | 1.7    [1] | Val281Ala | ES    / CIM uptake no change [1] | N.D. | N.D. |  
        | rs11568482 | 913A>T    [1] | 0.9    [1,59] | Ile305Phe | ES    uptake ↓ / CIM uptake ↑ [1] | N.D. | Km and Vmax    of ES and CIM no change [1] |  
        | rs11568481 | 929C>T    [1] | 0.2 [1] | Ala310Val | ES    / CIM uptake no change [1] | N.D. | N.D. |  
        |  | 1166C>T    [58] | 0.8 [58] | Ala389Val | PRA    CL no change [58] | N.D. | N.D. |  
        | rs11568497 | 1195G>T    [1] | 0.2 [1] | Ala399Ser | ES    / CIM uptake no change [1] | N.D. | N.D. |  
        | rs11568486 | 1342G>A    [1] | 0.7 [1] | Val448Ile | ES    / CIM uptake no change [1] | N.D. | Km and Vmax,    of ES and CIM no change [1] |  
        |  | 177T>C  [54] | N.D. | intron    2 | N.D. | N.D. | N.D. |  
        |  | 6201T>G  [54] | N.D. | intron    2 | N.D. | N.D. | N.D. |  
        |  | 79G>C  [54] | 31.7 [58] | intron    3 | N.D. | N.D. | N.D. |  
        |  | 524T>C  [54] | N.D. | intron    5 | N.D. | N.D. | N.D. |  
        |  | 386G>A  [54] | N.D. | intron    7 | N.D. | N.D. | N.D. |  
        | rs953894 | 754G>A  [54,58] | 25 [56] | intron    7 | TOR    CL no change [56] | N.D. | N.D. |  
        |  | 211_212AA>del  [54] | N.D. | intron    8 | N.D. | N.D. | N.D. |  
        |  | 81G>A  [54,58] | 10.8 [58] | intron    9 | N.D. | N.D. | N.D. |  
        | rs2187383 | G>T  [56] | 36 [56] | intron | TOR    CL no change [56] | N.D. | N.D. |  
        | rs4963326 | C>T  [56] | 31 [56] | intron | TOR    CL no change [56] | N.D. | N.D. |  
        | SLC22A11/OAT4 | rs11231809 | A>T [56] | 43 [56] | 5’ SLC22A11 | TOR CL ↓ [56] | N.D. | N.D. |  
        | rs4930423 | A>C [56] | 44 [56] | 5’ SLC22A11 | TOR CL ↑ [56] | N.D. | N.D. |  
        | rs3759053 | -18C>T [56,57] | 45 [56],    3.2 [57] | 5’ PR | TOR CL ↓ [56] | Promoter    activity and mRNA expression no change [57] | N.D. |  
        | rs75976740 | 37G>A    [50,62] | 0.5 [50] | Val13Met | ES uptake no change [62] | N.D. | N.D. |  
        | rs11231819 | 86T>C [61,62] | N.D. | Leu29Pro | ES [61,62] /
          OTA / UA [61] uptake loss | Minimal to no protein [61] 
          ≤ 10 of WT [62] | N.D. |  
        | rs11231820 | 91A>G [61,62] | N.D. | Ile31Val | ES [62] / OTA / UA [61]    uptake no change | N.D. | N.D. |  
        | rs35008345 | 142C>T    [50,61,62] | 0.5 [50], 0.78 [61] | Arg48Ter | ES [61,62] OTA / UA [61]    uptake loss | Minimal to no protein [61] 
          ↓ [62] | N.D. |  
        | rs200043601 | 185C>G    [50,62] | 0.5 [50] | Thr62Arg | ES uptake no change [62] | N.D. | N.D. |  
        | rs2277313 | 312C>T    [50] | 1 [50] | Ser104Ser | N.D. | N.D. | N.D. |  
        | PMT-2945 | 361C>T [61] | 0.58 [61] | Arg121Cys | ES / OTA / UA uptake no change [61] | N.D. | Km    of ES no change Vmax,    of ES ↓ [61] |  
        | rs200017515 | 400C>T    [50] | 0.5 [50] | Leu134Leu | N.D. | N.D. | N.D. |  
        | rs61744144 | 463G>A    [50,61,62] | 1 [50], 0.38 [61] | Val155Met | ES [61,62] / OTA / UA [61]    uptake no change | N.D. | Km    and Vmax, of ES no change [61] |  
        | rs12785832 | 464T>G [61,62] | 0.18 [61], 1 [62] | Val155Gly | ES uptake ↓ [62] 
          ES / OTA / UA uptake no change [61] | ↓ [62] | Km    of ES ↑
          Vmax, of ES no change [62]
          Km    of ES no change
          Vmax, of ES ↓ [61] |  
        | rs72559737 | 483C>A    [50,60] | 3    [50] | Gly161Gly | N.D. | N.D. | N.D. |  
        |  | 732C>T    [50,62] | 0.5    [50] | Ala244Val | ES uptake no change [62] | N.D. | N.D. |  
        | rs147522958 | 832G>A    [50,60] | 0.5    [50] | Glu278Lys | ES / DHEA / OTA uptake ↓ [60] | N.D. | Km of    ES ↑
          Vmax, of ES ↓ [60] |  
        |  | 847C>T [60] | 1 [60] | Leu283Leu | N.D. | N.D. | N.D. |  
        | rs141760078 | 1015G>A    [50,62] | 1    [50] | Val339Met | ES uptake no change [62] | N.D. | N.D. |  
        | PMT-2917 | 1028G>T [61] | 0.18 [61] | Arg343Leu | ES / OTA / UA uptake no change [61] | N.D. | N.D. |  
        |  | 1175C>T    [50,62] | 0.5    [50] | Thr392Ile | ES uptake ↓ [62] | ≤ 10 of WT [62] | K of ES no change
          Vmax, of ES ↓[62] |  
        | PMT-2910 | 1406A>G [61] | 0.2 [61] | His469Arg | ES / OTA / UA uptake loss [61] | ↓ [61] | N.D. |  
        | PMT-2911 | 1471C>G [61] | 0.18 [61] | Leu491Val | ES / OTA / UA uptake no change [61] | N.D. | N.D. |  
        | rs3782099 | C>T [56] | 47 [56] | intron | TOR CL ↓ [56] | N.D. | N.D. |  
        | rs1783811 | G>A [56] | 31 [56] | intron | TOR CL ↓ [56] | N.D. | N.D. |  
        | rs2078267 | T>C [56] | 48 [56] | intron | TOR CL ↓ [56] | N.D. | N.D. |  
        | rs528211 | G>A [56] | 35 [56] | 3’ SLC22A11 | TOR CL no change [56] | N.D. | N.D. |  
        | rs11231825 | A>C [56] | 1 [56] | 3’ SLC22A11 | TOR CL no change [56] | N.D. | N.D. |  
        | rs893006 | T>G [56] | 35 [56] | 3’ SLC22A11 | TOR CL no change [56] | N.D. | N.D. |  
        | rs476037 | C>T [56] | 9 [56] | 3’ SLC22A11 | TOR CL no change [56] | N.D. | N.D. |  |