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NPTN
HPA
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  • NPTN
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.

NPTN
Synonyms GP55, GP65, np55, np65, SDFR1, SDR1
Gene descriptioni

Full gene name according to HGNC.

Neuroplastin
Protein classi

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

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, 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 15
Cytoband q24.1
Chromosome location (bp) 73560014 - 73634134
Number of transcriptsi

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

7
Ensembl ENSG00000156642 (version 109)
Entrez gene 27020
HGNC HGNC:17867
UniProt Q9Y639 (UniProt - Evidence at protein level)
neXtProt NX_Q9Y639
GeneCards NPTN
Antibodypedia NPTN antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Probable homophilic and heterophilic cell adhesion molecule involved in long term potentiation at hippocampal excitatory synapses through activation of p38MAPK. May also regulate neurite outgrowth by activating the FGFR1 signaling pathway. May play a role in synaptic plasticity (By similarity). Also acts as a chaperone for ATP2B1; stabilizes ATP2B1 and increases its ATPase activity 1. Promotes localization of XKR8 at the cell membrane 2.... show less
Biological process (UniProt)i

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

Cell adhesion, Neurogenesis
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene encodes a type I transmembrane protein belonging to the Ig superfamily. The protein is believed to be involved in cell-cell interactions or cell-substrate interactions. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2009]... 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)
NPTN-201
ENSP00000290401
ENST00000345330
Q9Y639
[Direct mapping] Neuroplastin
Show all
Transporters
   Accessory Factors Involved in Transport
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
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0001772 [immunological synapse]
GO:0001818 [negative regulation of cytokine production]
GO:0001934 [positive regulation of protein phosphorylation]
GO:0005105 [type 1 fibroblast growth factor receptor binding]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0006874 [cellular calcium ion homeostasis]
GO:0007155 [cell adhesion]
GO:0007156 [homophilic cell adhesion via plasma membrane adhesion molecules]
GO:0007204 [positive regulation of cytosolic calcium ion concentration]
GO:0007399 [nervous system development]
GO:0007411 [axon guidance]
GO:0008542 [visual learning]
GO:0009986 [cell surface]
GO:0010976 [positive regulation of neuron projection development]
GO:0014069 [postsynaptic density]
GO:0016020 [membrane]
GO:0030424 [axon]
GO:0030425 [dendrite]
GO:0042734 [presynaptic membrane]
GO:0044325 [transmembrane transporter binding]
GO:0045202 [synapse]
GO:0045743 [positive regulation of fibroblast growth factor receptor signaling pathway]
GO:0048170 [positive regulation of long-term neuronal synaptic plasticity]
GO:0048787 [presynaptic active zone membrane]
GO:0050804 [modulation of chemical synaptic transmission]
GO:0050808 [synapse organization]
GO:0050839 [cell adhesion molecule binding]
GO:0060077 [inhibitory synapse]
GO:0060291 [long-term synaptic potentiation]
GO:0070374 [positive regulation of ERK1 and ERK2 cascade]
GO:0070593 [dendrite self-avoidance]
GO:0097060 [synaptic membrane]
GO:0098632 [cell-cell adhesion mediator activity]
GO:0098685 [Schaffer collateral - CA1 synapse]
GO:0098839 [postsynaptic density membrane]
GO:0098978 [glutamatergic synapse]
GO:0098982 [GABA-ergic synapse]
GO:0099557 [trans-synaptic signaling by trans-synaptic complex, modulating synaptic transmission]
GO:1900273 [positive regulation of long-term synaptic potentiation]
GO:1902683 [regulation of receptor localization to synapse]
GO:1903829 [positive regulation of protein localization]
GO:1904861 [excitatory synapse assembly]
Show all
398 aa
44.4 kDa
Yes 1
NPTN-202
ENSP00000342958
ENST00000351217
Q9Y639
[Direct mapping] Neuroplastin
Show all
Transporters
   Accessory Factors Involved in Transport
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
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0001772 [immunological synapse]
GO:0001818 [negative regulation of cytokine production]
GO:0001934 [positive regulation of protein phosphorylation]
GO:0005105 [type 1 fibroblast growth factor receptor binding]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0006874 [cellular calcium ion homeostasis]
GO:0007155 [cell adhesion]
GO:0007156 [homophilic cell adhesion via plasma membrane adhesion molecules]
GO:0007204 [positive regulation of cytosolic calcium ion concentration]
GO:0007399 [nervous system development]
GO:0007411 [axon guidance]
GO:0009986 [cell surface]
GO:0010976 [positive regulation of neuron projection development]
GO:0014069 [postsynaptic density]
GO:0016020 [membrane]
GO:0030424 [axon]
GO:0042734 [presynaptic membrane]
GO:0045202 [synapse]
GO:0045743 [positive regulation of fibroblast growth factor receptor signaling pathway]
GO:0048170 [positive regulation of long-term neuronal synaptic plasticity]
GO:0050839 [cell adhesion molecule binding]
GO:0060291 [long-term synaptic potentiation]
GO:0070593 [dendrite self-avoidance]
GO:0098632 [cell-cell adhesion mediator activity]
Show all
282 aa
31.3 kDa
Yes 1
NPTN-204
ENSP00000456349
ENST00000562924
Q9Y639
[Direct mapping] Neuroplastin
Show all
Transporters
   Accessory Factors Involved in Transport
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
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0001772 [immunological synapse]
GO:0001818 [negative regulation of cytokine production]
GO:0001934 [positive regulation of protein phosphorylation]
GO:0005105 [type 1 fibroblast growth factor receptor binding]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0006874 [cellular calcium ion homeostasis]
GO:0007155 [cell adhesion]
GO:0007156 [homophilic cell adhesion via plasma membrane adhesion molecules]
GO:0007204 [positive regulation of cytosolic calcium ion concentration]
GO:0007399 [nervous system development]
GO:0007411 [axon guidance]
GO:0009986 [cell surface]
GO:0010976 [positive regulation of neuron projection development]
GO:0014069 [postsynaptic density]
GO:0016020 [membrane]
GO:0030424 [axon]
GO:0042734 [presynaptic membrane]
GO:0045202 [synapse]
GO:0045743 [positive regulation of fibroblast growth factor receptor signaling pathway]
GO:0048170 [positive regulation of long-term neuronal synaptic plasticity]
GO:0050839 [cell adhesion molecule binding]
GO:0060291 [long-term synaptic potentiation]
GO:0070593 [dendrite self-avoidance]
GO:0098632 [cell-cell adhesion mediator activity]
Show all
278 aa
30.8 kDa
Yes 1
NPTN-205
ENSP00000457028
ENST00000563691
Q9Y639
[Direct mapping] Neuroplastin
Show all
Transporters
   Accessory Factors Involved in Transport
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
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0001772 [immunological synapse]
GO:0001818 [negative regulation of cytokine production]
GO:0001934 [positive regulation of protein phosphorylation]
GO:0005105 [type 1 fibroblast growth factor receptor binding]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0006874 [cellular calcium ion homeostasis]
GO:0007155 [cell adhesion]
GO:0007156 [homophilic cell adhesion via plasma membrane adhesion molecules]
GO:0007204 [positive regulation of cytosolic calcium ion concentration]
GO:0007399 [nervous system development]
GO:0007411 [axon guidance]
GO:0009986 [cell surface]
GO:0010976 [positive regulation of neuron projection development]
GO:0014069 [postsynaptic density]
GO:0016020 [membrane]
GO:0030424 [axon]
GO:0042734 [presynaptic membrane]
GO:0045202 [synapse]
GO:0045743 [positive regulation of fibroblast growth factor receptor signaling pathway]
GO:0048170 [positive regulation of long-term neuronal synaptic plasticity]
GO:0050839 [cell adhesion molecule binding]
GO:0060291 [long-term synaptic potentiation]
GO:0070593 [dendrite self-avoidance]
GO:0098632 [cell-cell adhesion mediator activity]
Show all
394 aa
43.9 kDa
Yes 1
NPTN-208
ENSP00000456033
ENST00000565282
Q9UFM8
[Direct mapping] Neuroplastin; Uncharacterized protein DKFZp566H1924
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0007155 [cell adhesion]
GO:0007411 [axon guidance]
Show all
308 aa
34.8 kDa
No 0
NPTN-209
ENSP00000457470
ENST00000565325
H3BU51
[Direct mapping] Neuroplastin
Show all
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
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:0007411 [axon guidance]
GO:0016020 [membrane]
Show all
184 aa
20.1 kDa
Yes 1
NPTN-210
ENSP00000455671
ENST00000567198
H3BQ94
[Direct mapping] Neuroplastin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0007155 [cell adhesion]
GO:0007411 [axon guidance]
Show all
152 aa
17.2 kDa
No 0

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