Pathogenic MCT8V235L creates a steric clash that is alleviated by a compensating mutation of MCT8F285A.

Abstract excerpt

Objective: The monocarboxylate transporter (MCT) 8 is a specific transporter for thyroid hormones. Pathogenic variants in MCT8 lead to a severe psychomotor disorder called MCT8 deficiency. A recently published patient carries a MCT8V235 to leucine substitution that was incapable of T3 transport. Analyses of our MCT8 homology model predicted steric clashes between Leu235 and Phe285 as well as Gln288, possibly...

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