NCBI Accession #
NP_001319475.1
NCBI GenBank Nucleotide #
NM_001337553.1
NCBI Official Full Name
sodium hydrogen exchanger 2
NCBI Official Symbol
NHX2
NCBI Official Synonym Symbols
ATNHX2; sodium hydrogen exchanger 2; T9J14.2; T9J14_2
NCBI Protein Information
sodium hydrogen exchanger 2
NCBI Summary
Encodes a vacuolar K+/H+ exchanger essential for active K+ uptake at the tonoplast and involved in regulating stomatal closure.
UniProt Synonym Gene Names
NHE-2
UniProt Protein Name
Sodium/hydrogen exchanger 2
UniProt Synonym Protein Names
Na(+)/H(+) exchanger 2; NHE-2
UniProt Primary Accession #
Q56XP4
UniProt Secondary Accession #
Q9CAW6
UniProt Related Accession #
Q56XP4
UniProt Comments
Acts in low affinity electroneutral exchange of protons for cations such as Na+ or K+ across membranes. May also exchange Li+ and Cs+ with a lower affinity. Involved in vacuolar ion compartmentalization necessary for cell volume regulation and cytoplasmic Na+ detoxification.