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. 2019 Jul 24;2:270. doi: 10.1038/s42003-019-0503-6

Fig. 5.

Fig. 5

Localisation of the SLC26A7 p.Gln500Ter mutant. a Immunoblotting to confirm the FLAG-tagged SLC26A7 mutant in MDCK cells. β-actin served as an internal control; dox, doxycycline. Arrowheads indicate glycosylated wild type SLC26A7 (1), glycosylated SLC26A7 p.Gln500ter mutant (2), wild-type SLC26A7 (3), and SLC26A7 p.Gln500ter mutant (4). b Immunofluorescence analysis for FLAG (red) FLAG-tagged SLC26A7 mutant-transfected MDCK cells. Propidium iodide (blue) marks cell nuclei. c SLC26A7 protein structure and the positions of mutations in patients with congenital hypothyroidism. The SLC26A7 protein has 12 putative transmembrane and intracellular N- and C-terminal domains. The C-terminal cytoplasmic domain contains the STAS domain, which is shared among SLC26 family members. The mutations identified in our patients (filled star) and in the previously reported Arabian patients (open star) are illustrated. TM, transmembrane domain; STAS, sulphate transporters and anti-sigma factor antagonists