124 Thus, we identified six residues in 12b-NBD1 (E527Q, E528Q, S531T, K536Q, I539T, and K584E) and 12 residues in 114c-NBD2 (T1263I, P1290T, K1302Q, Y1307N, Q1309K, S1311K, R1325K, V1338T, C1344Y, L1367I, D1394G, and E1409D) (see supplemental Fig. 1 and supplemental Table 1, A and B).

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ABCC7 p.Cys1344Tyr 20551307:124:186

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187 TABLE 1 Summary information of CFTR point mutants analyzed in present study CFTR variants Clinical dataa Band C/band Bb (؎S.E., n ‫؍‬ 5) Processingc Normalized processingd Normalized iodide efflux functione (؎S.E., n ‫؍‬ 6) Iodide efflux to processed proteinf % % % % peak intensity % WT-CFTR -g 83 Ϯ 3 77 100 100 Ϯ 8 - Murine - 86 Ϯ 5 66 86 74 Ϯ 4 86 Ϯ 4 E527Q Mild CF 64 Ϯ 5 49 63 46 Ϯ 4 73 Ϯ 4 E528Q - 86 Ϯ 5 79 102 135 Ϯ 16 132 Ϯ 10 S531T - 87 Ϯ 6 81 105 71 Ϯ 5 67 Ϯ 5 K536Q - 69 Ϯ 3 42 54 51 Ϯ 4 94 Ϯ 3 I539T Revertant 112 Ϯ 5 81 105 49 Ϯ 6 46 Ϯ 5 L581F - 118 Ϯ 3 83 107 72 Ϯ 5 67 Ϯ 3 L581F/K584E - 125 Ϯ 2 77 100 100 Ϯ 12 100 Ϯ 8 T1263I Mild CF 75 Ϯ 3 76 98 31 Ϯ 8 31 Ϯ 5 P1290T Asymptomatic 87 Ϯ 3 82 106 92 Ϯ 10 86 Ϯ 6 K1302Q - 72 Ϯ 3 77 100 37 Ϯ 2 37 Ϯ 2 Y1307N - 82 Ϯ 2 76 98 70 Ϯ 5 71 Ϯ 3 Q1309K - 79 Ϯ 4 77 100 26 Ϯ 2 26 Ϯ 3 S1311K - 73 Ϯ 4 72 93 33 Ϯ 7 35 Ϯ 5 R1325K - 64 Ϯ 6 78 101 47 Ϯ 2 46 Ϯ 4 V1338T - 88 Ϯ 2 77 100 37 Ϯ 11 37 Ϯ 6 C1344Y - 71 Ϯ 4 76 98 86 Ϯ 4 87 Ϯ 4 L1367I - 72 Ϯ 5 80 103 36 Ϯ 5 34 Ϯ 5 D1394G - 78 Ϯ 4 86 111 93 Ϯ 12 83 Ϯ 8 E1409D - 70 Ϯ 3 70 90 43 Ϯ 5 47 Ϯ 4 a Data from the CFTR mutation database.

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ABCC7 p.Cys1344Tyr 20551307:187:1300

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