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Overview

Uniprot IDP59649
Protein NameFXYD domain-containing ion transport regulator 7
Gene NameFxyd7
OrganismRattus norvegicus

Kla Sites from experimental identification

Position Flanking peptide
67 SPTCKSCKSELPSSA

Function

Associates with and regulates the activity of the sodium/potassium-transporting ATPase (NKA) which catalyzes the hydrolysis of ATP coupled with the exchange of Na(+) and K(+) ions across the plasma membrane (By similarity). Reduces the apparent affinity for external K(+), an effect that depends on the presence of external Na(+) and voltage (By similarity). Increases the apparent affinity for intracellular Na(+) (By similarity)

Protein Sequence

10 MATPTQSPTN 20 VPEETDPFFY 30 DYATVQTVGM 40 TLATIMFVLG 50 IIIIISKKVK 60 CRKADSRSES 70 PTCKSCKSEL 80 PSSAPGGGGV

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005886 plasma membrane
Cellular Component GO:0042383 sarcolemma
Cellular Component GO:0005890 sodium:potassium-exchanging ATPase complex
Molecular Function GO:0051117 ATPase binding
Molecular Function GO:0017080 sodium channel regulator activity
Molecular Function GO:0044325 transmembrane transporter binding
Biological Process GO:1903278 positive regulation of sodium ion export across plasma membrane
Biological Process GO:0006813 potassium ion transport
Biological Process GO:0043269 regulation of monoatomic ion transport
Biological Process GO:0006814 sodium ion transport

Reference

[1] Yao Y, Bade R, Li G, Zhang A, Zhao H et al.. Global-Scale Profiling of Differential Expressed Lysine-Lactylated Proteins in the Cerebral Endothelium of Cerebral Ischemia-Reperfusion Injury Rats.. Cell Mol Neurobiol 43(5):1989-2004. 2023 Jul. PMID: 36030297.

[2] Chen Y, Sun W, Sun Z, Zhao H, Wu T et al.. Effect of electroacupuncture on hippocampal protein lactylation in a rat model of vascular dementia.. Front Neurol 16:1629474. 2025. PMID: 40963935.