NCBI Accession #
NP_190940.1
NCBI GenBank Nucleotide #
NM_115232.3
NCBI Official Full Name
cation/H+ exchanger 20
NCBI Official Symbol
CHX20
NCBI Official Synonym Symbols
ATCHX20; cation/H+ exchanger 20
NCBI Protein Information
cation/H+ exchanger 20
NCBI Summary
member of Putative Na+/H+ antiporter family. Involved in the osmoregulation through K(+) fluxes and possibly pH modulation of an active endomembrane system in guard cells.
UniProt Synonym Gene Names
AtCHX20
UniProt Protein Name
Cation/H(+) antiporter 20
UniProt Synonym Protein Names
Protein CATION/H+ EXCHANGER 20; AtCHX20
UniProt Primary Accession #
Q9M353
UniProt Secondary Accession #
Q58P63
UniProt Related Accession #
Q9M353
UniProt Comments
Operates as a K+/H+ antiporter that maintains K+ homeostasis in guard cells and could regulate pH. Plays a critical role in osmoregulation through the control of stomates opening.