. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "nkx23_human"^^ . "Homeobox protein NK-2 homolog C"^^ . "NKX2C"^^ . "NKX2-3"^^ . "NKX23"^^ . . "Homeobox protein Nkx-2.3"^^ .