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SLC9A1
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  • SLC9A1
PROTEIN SUMMARY SECTION OVERVIEW GENE INFORMATION RNA DATA ANTIBODY DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

SLC9A1
Synonyms APNH, NHE-1, NHE1, PPP1R143
Gene descriptioni

Full gene name according to HGNC.

Solute carrier family 9 member A1
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Disease related genes
Human disease related genes
Metabolic proteins
Potential drug targets
Transporters
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Membrane
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 1
Cytoband p36.11
Chromosome location (bp) 27098809 - 27166981
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

3
Ensembl ENSG00000090020 (version 109)
Entrez gene 6548
HGNC HGNC:11071
UniProt P19634 (UniProt - Evidence at protein level)
neXtProt NX_P19634
GeneCards SLC9A1
Antibodypedia SLC9A1 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Involved in pH regulation to eliminate acids generated by active metabolism or to counter adverse environmental conditions. Major proton extruding system driven by the inward sodium ion chemical gradient. Plays an important role in signal transduction.... show less
Molecular function (UniProt)i

Keywords assigned by UniProt to proteins due to their particular molecular function.

Calmodulin-binding
Biological process (UniProt)i

Keywords assigned by UniProt to proteins because they are involved in a particular biological process.

Antiport, Ion transport, Sodium transport, Transport
Ligand (UniProt)i

Keywords assigned by UniProt to proteins because they bind, are associated with, or whose activity is dependent of some molecule.

Sodium
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene encodes a Na+/H+ antiporter that is a member of the solute carrier family 9. The encoded protein is a plasma membrane transporter that is expressed in the kidney and intestine. This protein plays a central role in regulating pH homeostasis, cell migration and cell volume. This protein may also be involved in tumor growth. [provided by RefSeq, Sep 2011]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The ENSP identifier links to the Ensembl website protein summary, while the ENST identifier links to the Ensembl website transcript summary for the selected splice variant. The data in the UniProt column can be expanded to show links to all matching UniProt identifiers for this protein.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The Gene Ontology terms assigned to this protein are listed if expanding the Gene ontology column. The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide (according to a majority of the signal peptide predictors SPOCTOPUS, SignalP 4.0, and Phobius) and the number of predicted transmembrane region(s) (according to MDM) are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
SLC9A1-201
ENSP00000263980
ENST00000263980
P19634
[Direct mapping] Sodium/hydrogen exchanger 1
Show all
Metabolic proteins
Transporters
   Electrochemical Potential-driven transporters
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   >9TM proteins predicted by MDM
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Neurodegenerative diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002026 [regulation of the force of heart contraction]
GO:0005515 [protein binding]
GO:0005516 [calmodulin binding]
GO:0005546 [phosphatidylinositol-4,5-bisphosphate binding]
GO:0005654 [nucleoplasm]
GO:0005737 [cytoplasm]
GO:0005739 [mitochondrion]
GO:0005783 [endoplasmic reticulum]
GO:0005789 [endoplasmic reticulum membrane]
GO:0005886 [plasma membrane]
GO:0005925 [focal adhesion]
GO:0006811 [ion transport]
GO:0006812 [cation transport]
GO:0006814 [sodium ion transport]
GO:0006883 [cellular sodium ion homeostasis]
GO:0006885 [regulation of pH]
GO:0009986 [cell surface]
GO:0010447 [response to acidic pH]
GO:0010613 [positive regulation of cardiac muscle hypertrophy]
GO:0010882 [regulation of cardiac muscle contraction by calcium ion signaling]
GO:0014070 [response to organic cyclic compound]
GO:0014704 [intercalated disc]
GO:0015297 [antiporter activity]
GO:0015299 [solute:proton antiporter activity]
GO:0015385 [sodium:proton antiporter activity]
GO:0015386 [potassium:proton antiporter activity]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0016323 [basolateral plasma membrane]
GO:0016324 [apical plasma membrane]
GO:0016477 [cell migration]
GO:0030011 [maintenance of cell polarity]
GO:0030027 [lamellipodium]
GO:0030154 [cell differentiation]
GO:0030307 [positive regulation of cell growth]
GO:0030315 [T-tubule]
GO:0030346 [protein phosphatase 2B binding]
GO:0030674 [protein-macromolecule adaptor activity]
GO:0032869 [cellular response to insulin stimulus]
GO:0035794 [positive regulation of mitochondrial membrane permeability]
GO:0035994 [response to muscle stretch]
GO:0036376 [sodium ion export across plasma membrane]
GO:0042383 [sarcolemma]
GO:0043065 [positive regulation of apoptotic process]
GO:0043066 [negative regulation of apoptotic process]
GO:0043167 [ion binding]
GO:0045121 [membrane raft]
GO:0045760 [positive regulation of action potential]
GO:0045944 [positive regulation of transcription by RNA polymerase II]
GO:0048306 [calcium-dependent protein binding]
GO:0048471 [perinuclear region of cytoplasm]
GO:0048863 [stem cell differentiation]
GO:0051259 [protein complex oligomerization]
GO:0051453 [regulation of intracellular pH]
GO:0051492 [regulation of stress fiber assembly]
GO:0051893 [regulation of focal adhesion assembly]
GO:0051930 [regulation of sensory perception of pain]
GO:0055007 [cardiac muscle cell differentiation]
GO:0055085 [transmembrane transport]
GO:0060090 [molecular adaptor activity]
GO:0070062 [extracellular exosome]
GO:0070417 [cellular response to cold]
GO:0070886 [positive regulation of calcineurin-NFAT signaling cascade]
GO:0070997 [neuron death]
GO:0071236 [cellular response to antibiotic]
GO:0071257 [cellular response to electrical stimulus]
GO:0071260 [cellular response to mechanical stimulus]
GO:0071407 [cellular response to organic cyclic compound]
GO:0071456 [cellular response to hypoxia]
GO:0071468 [cellular response to acidic pH]
GO:0071805 [potassium ion transmembrane transport]
GO:0071872 [cellular response to epinephrine stimulus]
GO:0086003 [cardiac muscle cell contraction]
GO:0086036 [regulation of cardiac muscle cell membrane potential]
GO:0086040 [sodium:proton antiporter activity involved in regulation of cardiac muscle cell membrane potential]
GO:0086092 [regulation of the force of heart contraction by cardiac conduction]
GO:0090533 [cation-transporting ATPase complex]
GO:0098719 [sodium ion import across plasma membrane]
GO:0098735 [positive regulation of the force of heart contraction]
GO:1902533 [positive regulation of intracellular signal transduction]
GO:1902600 [proton transmembrane transport]
GO:1903281 [positive regulation of calcium:sodium antiporter activity]
GO:1990351 [transporter complex]
Show all
815 aa
90.8 kDa
No >9
SLC9A1-202
ENSP00000363197
ENST00000374084
B1ALD5
[Direct mapping] Sodium/hydrogen exchanger 1
Show all
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   1TM proteins predicted by MDM
Human disease related genes
   Nervous system diseases
   Neurodegenerative diseases
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0006811 [ion transport]
GO:0006812 [cation transport]
GO:0006814 [sodium ion transport]
GO:0006885 [regulation of pH]
GO:0015299 [solute:proton antiporter activity]
GO:0015385 [sodium:proton antiporter activity]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0035725 [sodium ion transmembrane transport]
Show all
135 aa
14.7 kDa
No 1
SLC9A1-203
ENSP00000363199
ENST00000374086
P19634
[Direct mapping] Sodium/hydrogen exchanger 1
Show all
Metabolic proteins
Transporters
   Electrochemical Potential-driven transporters
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   >9TM proteins predicted by MDM
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Neurodegenerative diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005515 [protein binding]
GO:0005516 [calmodulin binding]
GO:0005546 [phosphatidylinositol-4,5-bisphosphate binding]
GO:0005654 [nucleoplasm]
GO:0005737 [cytoplasm]
GO:0005783 [endoplasmic reticulum]
GO:0005789 [endoplasmic reticulum membrane]
GO:0005886 [plasma membrane]
GO:0005925 [focal adhesion]
GO:0006811 [ion transport]
GO:0006812 [cation transport]
GO:0006814 [sodium ion transport]
GO:0006883 [cellular sodium ion homeostasis]
GO:0006885 [regulation of pH]
GO:0010447 [response to acidic pH]
GO:0010613 [positive regulation of cardiac muscle hypertrophy]
GO:0010882 [regulation of cardiac muscle contraction by calcium ion signaling]
GO:0015297 [antiporter activity]
GO:0015299 [solute:proton antiporter activity]
GO:0015385 [sodium:proton antiporter activity]
GO:0015386 [potassium:proton antiporter activity]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0016477 [cell migration]
GO:0030011 [maintenance of cell polarity]
GO:0030027 [lamellipodium]
GO:0030346 [protein phosphatase 2B binding]
GO:0030674 [protein-macromolecule adaptor activity]
GO:0035994 [response to muscle stretch]
GO:0036376 [sodium ion export across plasma membrane]
GO:0043167 [ion binding]
GO:0045121 [membrane raft]
GO:0045944 [positive regulation of transcription by RNA polymerase II]
GO:0048306 [calcium-dependent protein binding]
GO:0051259 [protein complex oligomerization]
GO:0051453 [regulation of intracellular pH]
GO:0051492 [regulation of stress fiber assembly]
GO:0051893 [regulation of focal adhesion assembly]
GO:0055085 [transmembrane transport]
GO:0060090 [molecular adaptor activity]
GO:0070062 [extracellular exosome]
GO:0070886 [positive regulation of calcineurin-NFAT signaling cascade]
GO:0071260 [cellular response to mechanical stimulus]
GO:0071468 [cellular response to acidic pH]
GO:0071805 [potassium ion transmembrane transport]
GO:0071872 [cellular response to epinephrine stimulus]
GO:0086036 [regulation of cardiac muscle cell membrane potential]
GO:0086040 [sodium:proton antiporter activity involved in regulation of cardiac muscle cell membrane potential]
GO:0086092 [regulation of the force of heart contraction by cardiac conduction]
GO:0090533 [cation-transporting ATPase complex]
GO:0098719 [sodium ion import across plasma membrane]
GO:0098735 [positive regulation of the force of heart contraction]
GO:1902600 [proton transmembrane transport]
GO:1903281 [positive regulation of calcium:sodium antiporter activity]
Show all
555 aa
61 kDa
No >9

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