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CNTN2
HPA
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  • CNTN2
PROTEIN SUMMARY 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.

CNTN2
Synonyms AXT, TAG-1, TAX, TAX1
Gene descriptioni

Full gene name according to HGNC.

Contactin 2
Protein classi

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

Disease related genes
Human disease related genes
Plasma 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.

Secreted, Intracellular
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 q32.1
Chromosome location (bp) 205042937 - 205078289
Number of transcriptsi

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

5
Ensembl ENSG00000184144 (version 109)
Entrez gene 6900
HGNC HGNC:2172
UniProt Q02246 (UniProt - Evidence at protein level)
neXtProt NX_Q02246
GeneCards CNTN2
Antibodypedia CNTN2 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

In conjunction with another transmembrane protein, CNTNAP2, contributes to the organization of axonal domains at nodes of Ranvier by maintaining voltage-gated potassium channels at the juxtaparanodal region. May be involved in cell adhesion.... show less
Biological process (UniProt)i

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

Cell adhesion
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene encodes a member of the contactin family of proteins, part of the immunoglobulin superfamily of cell adhesion molecules. The encoded glycosylphosphatidylinositol (GPI)-anchored neuronal membrane protein plays a role in the proliferation, migration, and axon guidance of neurons of the developing cerebellum. A mutation in this gene may be associated with adult myoclonic epilepsy. [provided by RefSeq, Sep 2016]... 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 Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

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 length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
CNTN2-201
ENSP00000330633
ENST00000331830
Q02246
[Direct mapping] Contactin-2
Show all
A1ML24
[Target identity:100%; Query identity:100%] Contactin 2 (Axonal), isoform CRA_a
Show all
Transporters
   Accessory Factors Involved in Transport
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
   DeepTMHMM predicted secreted proteins
   DeepSig predicted secreted proteins
Plasma proteins
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Epilepsy
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000226 [microtubule cytoskeleton organization]
GO:0001764 [neuron migration]
GO:0001973 [G protein-coupled adenosine receptor signaling pathway]
GO:0002021 [response to dietary excess]
GO:0002023 [reduction of food intake in response to dietary excess]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0007155 [cell adhesion]
GO:0007156 [homophilic cell adhesion via plasma membrane adhesion molecules]
GO:0007399 [nervous system development]
GO:0007411 [axon guidance]
GO:0007413 [axonal fasciculation]
GO:0007612 [learning]
GO:0007628 [adult walking behavior]
GO:0009986 [cell surface]
GO:0010769 [regulation of cell morphogenesis involved in differentiation]
GO:0010954 [positive regulation of protein processing]
GO:0016020 [membrane]
GO:0016485 [protein processing]
GO:0021853 [cerebral cortex GABAergic interneuron migration]
GO:0022010 [central nervous system myelination]
GO:0030182 [neuron differentiation]
GO:0030246 [carbohydrate binding]
GO:0030424 [axon]
GO:0031133 [regulation of axon diameter]
GO:0031175 [neuron projection development]
GO:0031623 [receptor internalization]
GO:0033268 [node of Ranvier]
GO:0042802 [identical protein binding]
GO:0043005 [neuron projection]
GO:0043025 [neuronal cell body]
GO:0043194 [axon initial segment]
GO:0043209 [myelin sheath]
GO:0043621 [protein self-association]
GO:0044224 [juxtaparanode region of axon]
GO:0045163 [clustering of voltage-gated potassium channels]
GO:0045202 [synapse]
GO:0045211 [postsynaptic membrane]
GO:0045444 [fat cell differentiation]
GO:0045665 [negative regulation of neuron differentiation]
GO:0048168 [regulation of neuronal synaptic plasticity]
GO:0048710 [regulation of astrocyte differentiation]
GO:0051649 [establishment of localization in cell]
GO:0060168 [positive regulation of adenosine receptor signaling pathway]
GO:0070593 [dendrite self-avoidance]
GO:0071205 [protein localization to juxtaparanode region of axon]
GO:0071206 [establishment of protein localization to juxtaparanode region of axon]
GO:0097090 [presynaptic membrane organization]
GO:0098632 [cell-cell adhesion mediator activity]
Show all
1040 aa
113.4 kDa
Yes 0
CNTN2-208
ENSP00000489754
ENST00000636312
A0A1B0GTL7
[Direct mapping] Contactin-2
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Epilepsy
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0007155 [cell adhesion]
GO:0007399 [nervous system development]
GO:0007411 [axon guidance]
GO:0031175 [neuron projection development]
Show all
1011 aa
110.3 kDa
No 0
CNTN2-212
ENSP00000492617
ENST00000638378
Q02246
[Direct mapping] Contactin-2
Show all
A1ML24
[Target identity:100%; Query identity:100%] Contactin 2 (Axonal), isoform CRA_a
Show all
Transporters
   Accessory Factors Involved in Transport
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
   DeepTMHMM predicted secreted proteins
   DeepSig predicted secreted proteins
Plasma proteins
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Epilepsy
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0007155 [cell adhesion]
GO:0007156 [homophilic cell adhesion via plasma membrane adhesion molecules]
GO:0007399 [nervous system development]
GO:0007411 [axon guidance]
GO:0016020 [membrane]
GO:0030424 [axon]
GO:0031175 [neuron projection development]
GO:0033268 [node of Ranvier]
GO:0042802 [identical protein binding]
GO:0043209 [myelin sheath]
GO:0044224 [juxtaparanode region of axon]
GO:0045163 [clustering of voltage-gated potassium channels]
GO:0045202 [synapse]
GO:0045211 [postsynaptic membrane]
GO:0070593 [dendrite self-avoidance]
GO:0071205 [protein localization to juxtaparanode region of axon]
GO:0097090 [presynaptic membrane organization]
GO:0098632 [cell-cell adhesion mediator activity]
Show all
1040 aa
113.4 kDa
Yes 0
CNTN2-214
ENSP00000492457
ENST00000638577
A0A1W2PR60
[Direct mapping] Contactin-2
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Epilepsy
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0007155 [cell adhesion]
GO:0007399 [nervous system development]
GO:0007411 [axon guidance]
GO:0031175 [neuron projection development]
Show all
527 aa
57 kDa
No 0
CNTN2-232
ENSP00000491474
ENST00000640428
A0A1W2PQ11
[Direct mapping] Contactin-2
Show all
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
   DeepTMHMM predicted secreted proteins
   DeepSig predicted secreted proteins
Human disease related genes
   Nervous system diseases
   Epilepsy
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0007155 [cell adhesion]
GO:0007399 [nervous system development]
GO:0007411 [axon guidance]
GO:0031175 [neuron projection development]
Show all
1085 aa
118.3 kDa
Yes 0

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