Fig. 4From: Genome-wide characterization of the CPA gene family in potato and a preliminary functional analysis of its role in NaCl toleranceStructural analysis of the StCPA gene superfamily. AÂ Structures of StCPA gene superfamily. Introns and exons are represented as thin lines and green boxes, respectively. BÂ Number of exons in StNHX, StKEA, and StCHX subfamiliesBack to article page