NCBI Accession #
NP_001331104.1
NCBI GenBank Nucleotide #
NM_001342594.1
NCBI Official Full Name
cation exchanger 4
NCBI Official Symbol
CAX4
NCBI Official Synonym Symbols
ATCAX4; cation exchanger 4; F7A7.10; F7A7_10
NCBI Protein Information
cation exchanger 4
NCBI Summary
Encodes a cation/proton antiporter, a member of low affinity calcium antiporter CAX2 family. Involved in root development under metal stress.
UniProt Synonym Gene Names
AtCAX4
UniProt Protein Name
Vacuolar cation/proton exchanger 4
UniProt Synonym Protein Names
Ca(2+)/H(+) antiporter CAX4; Ca(2+)/H(+) exchanger 4; Protein CATION EXCHANGER 4
UniProt Primary Accession #
Q945S5
UniProt Secondary Accession #
Q9M025; F4K9E5
UniProt Comments
Vacuolar cation/proton exchanger (CAX). Translocates Ca2+ and other metal ions into vacuoles using the proton gradient formed by H+-ATPase and H+-pyrophosphatase. Cation selectivity transport in tobacco root tonoplast vesicles is Cd2+>Zn2+>>Ca2+>>>Mn2+.