In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Evidence for genetic heterogeneity of pseudohypoaldosteronism type 1: identification of a novel mutation in the human mineralocorticoid receptor in one sporadic case and no mutations in two autosomal dominant kindreds.
human mineralocorticoid receptor

Resistance to thyroid hormone due to a novel thyroid hormone receptor mutant in a patient with hypothyroidism secondary to lingual thyroid and functional characterization of the mutant receptor.
thyroid hormone receptor

Severe impairment of salivation in Na+/K+/2Cl- cotransporter (NKCC1)-deficient mice.

Na+/K+/2Cl- cotransporter