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PTPRK
HPA
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  • PTPRK
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.

PTPRK
Synonyms R-PTP-kappa
Gene descriptioni

Full gene name according to HGNC.

Protein tyrosine phosphatase receptor type K
Protein classi

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

Cancer-related genes
Enzymes
Plasma proteins
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 6
Cytoband q22.33
Chromosome location (bp) 127968785 - 128520616
Number of transcriptsi

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

10
Ensembl ENSG00000152894 (version 109)
Entrez gene 5796
HGNC HGNC:9674
UniProt Q15262 (UniProt - Evidence at protein level)
neXtProt NX_Q15262
GeneCards PTPRK
Antibodypedia PTPRK antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Regulation of processes involving cell contact and adhesion such as growth control, tumor invasion, and metastasis. Negative regulator of EGFR signaling pathway. Forms complexes with beta-catenin and gamma-catenin/plakoglobin. Beta-catenin may be a substrate for the catalytic activity of PTPRK/PTP-kappa.... show less
Molecular function (UniProt)i

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

Hydrolase, Protein phosphatase, Receptor
Gene summary (Entrez)i

Useful information about the gene from Entrez

The protein encoded by this gene is a member of the protein tyrosine phosphatase (PTP) family. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. This PTP possesses an extracellular region, a single transmembrane region, and two tandem catalytic domains, and thus represents a receptor-type PTP. The extracellular region contains a meprin-A5 antigen-PTP mu (MAM) domain, an Ig-like domain and four fibronectin type III-like repeats. This PTP was shown to mediate homophilic intercellular interaction, possibly through the interaction with beta- and gamma-catenin at adherens junctions. Expression of this gene was found to be stimulated by TGF-beta 1, which may be important for the inhibition of keratinocyte proliferation. [provided by RefSeq, Jul 2008]... 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)
PTPRK-203
ENSP00000357190
ENST00000368207
E9PGC5
[Direct mapping] Protein-tyrosine-phosphatase
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
Cancer-related genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Translocations
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0004721 [phosphoprotein phosphatase activity]
GO:0004725 [protein tyrosine phosphatase activity]
GO:0005515 [protein binding]
GO:0006470 [protein dephosphorylation]
GO:0007155 [cell adhesion]
GO:0016020 [membrane]
GO:0016311 [dephosphorylation]
GO:0016787 [hydrolase activity]
GO:0016791 [phosphatase activity]
GO:0030054 [cell junction]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
1472 aa
166 kDa
Yes 1
PTPRK-204
ENSP00000357193
ENST00000368210
Q5TG12
[Direct mapping] Protein-tyrosine-phosphatase
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
Cancer-related genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Translocations
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0004721 [phosphoprotein phosphatase activity]
GO:0004725 [protein tyrosine phosphatase activity]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0006470 [protein dephosphorylation]
GO:0007155 [cell adhesion]
GO:0016020 [membrane]
GO:0016311 [dephosphorylation]
GO:0016787 [hydrolase activity]
GO:0016791 [phosphatase activity]
GO:0030054 [cell junction]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
1458 aa
164.2 kDa
Yes 1
PTPRK-205
ENSP00000357196
ENST00000368213
Q15262
[Direct mapping] Receptor-type tyrosine-protein phosphatase kappa
Show all
Enzymes
   ENZYME proteins
   Hydrolases
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
Plasma proteins
Cancer-related genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Translocations
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:0004721 [phosphoprotein phosphatase activity]
GO:0004725 [protein tyrosine phosphatase activity]
GO:0005001 [transmembrane receptor protein tyrosine phosphatase activity]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0005911 [cell-cell junction]
GO:0005912 [adherens junction]
GO:0006470 [protein dephosphorylation]
GO:0007155 [cell adhesion]
GO:0007165 [signal transduction]
GO:0007179 [transforming growth factor beta receptor signaling pathway]
GO:0008013 [beta-catenin binding]
GO:0008285 [negative regulation of cell population proliferation]
GO:0009986 [cell surface]
GO:0010839 [negative regulation of keratinocyte proliferation]
GO:0016020 [membrane]
GO:0016311 [dephosphorylation]
GO:0016477 [cell migration]
GO:0016787 [hydrolase activity]
GO:0016791 [phosphatase activity]
GO:0019901 [protein kinase binding]
GO:0030054 [cell junction]
GO:0030336 [negative regulation of cell migration]
GO:0031256 [leading edge membrane]
GO:0034394 [protein localization to cell surface]
GO:0034614 [cellular response to reactive oxygen species]
GO:0034644 [cellular response to UV]
GO:0043231 [intracellular membrane-bounded organelle]
GO:0045295 [gamma-catenin binding]
GO:0045786 [negative regulation of cell cycle]
GO:0045892 [negative regulation of DNA-templated transcription]
GO:0048041 [focal adhesion assembly]
GO:0070161 [anchoring junction]
Show all
1446 aa
163 kDa
Yes 1
PTPRK-206
ENSP00000357198
ENST00000368215
Q15262
[Direct mapping] Receptor-type tyrosine-protein phosphatase kappa
Show all
Enzymes
   ENZYME proteins
   Hydrolases
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
Plasma proteins
Cancer-related genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Translocations
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0004721 [phosphoprotein phosphatase activity]
GO:0004725 [protein tyrosine phosphatase activity]
GO:0005001 [transmembrane receptor protein tyrosine phosphatase activity]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0005911 [cell-cell junction]
GO:0005912 [adherens junction]
GO:0006470 [protein dephosphorylation]
GO:0007155 [cell adhesion]
GO:0007165 [signal transduction]
GO:0007179 [transforming growth factor beta receptor signaling pathway]
GO:0008013 [beta-catenin binding]
GO:0008285 [negative regulation of cell population proliferation]
GO:0009986 [cell surface]
GO:0010839 [negative regulation of keratinocyte proliferation]
GO:0016020 [membrane]
GO:0016311 [dephosphorylation]
GO:0016477 [cell migration]
GO:0016787 [hydrolase activity]
GO:0016791 [phosphatase activity]
GO:0019901 [protein kinase binding]
GO:0030054 [cell junction]
GO:0030336 [negative regulation of cell migration]
GO:0031256 [leading edge membrane]
GO:0034394 [protein localization to cell surface]
GO:0034614 [cellular response to reactive oxygen species]
GO:0034644 [cellular response to UV]
GO:0043231 [intracellular membrane-bounded organelle]
GO:0045295 [gamma-catenin binding]
GO:0045786 [negative regulation of cell cycle]
GO:0045892 [negative regulation of DNA-templated transcription]
GO:0048041 [focal adhesion assembly]
GO:0070161 [anchoring junction]
Show all
1439 aa
162.1 kDa
Yes 1
PTPRK-207
ENSP00000357209
ENST00000368226
Q15262
[Direct mapping] Receptor-type tyrosine-protein phosphatase kappa
Show all
Enzymes
   ENZYME proteins
   Hydrolases
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
Plasma proteins
Cancer-related genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Translocations
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:0004721 [phosphoprotein phosphatase activity]
GO:0004725 [protein tyrosine phosphatase activity]
GO:0005001 [transmembrane receptor protein tyrosine phosphatase activity]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0005911 [cell-cell junction]
GO:0005912 [adherens junction]
GO:0006470 [protein dephosphorylation]
GO:0007155 [cell adhesion]
GO:0007165 [signal transduction]
GO:0007179 [transforming growth factor beta receptor signaling pathway]
GO:0008013 [beta-catenin binding]
GO:0008285 [negative regulation of cell population proliferation]
GO:0009986 [cell surface]
GO:0010839 [negative regulation of keratinocyte proliferation]
GO:0016020 [membrane]
GO:0016311 [dephosphorylation]
GO:0016477 [cell migration]
GO:0016787 [hydrolase activity]
GO:0016791 [phosphatase activity]
GO:0019901 [protein kinase binding]
GO:0030054 [cell junction]
GO:0030336 [negative regulation of cell migration]
GO:0031256 [leading edge membrane]
GO:0034394 [protein localization to cell surface]
GO:0034614 [cellular response to reactive oxygen species]
GO:0034644 [cellular response to UV]
GO:0043231 [intracellular membrane-bounded organelle]
GO:0045295 [gamma-catenin binding]
GO:0045786 [negative regulation of cell cycle]
GO:0045892 [negative regulation of DNA-templated transcription]
GO:0048041 [focal adhesion assembly]
GO:0070161 [anchoring junction]
Show all
1440 aa
162.2 kDa
Yes 1
PTPRK-209
ENSP00000406825
ENST00000415046
H0Y6P5
[Direct mapping] Receptor-type tyrosine-protein phosphatase kappa
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
Cancer-related genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Translocations
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0004725 [protein tyrosine phosphatase activity]
GO:0005886 [plasma membrane]
GO:0006470 [protein dephosphorylation]
GO:0016020 [membrane]
GO:0030054 [cell junction]
Show all
343 aa
39.4 kDa
No 1
PTPRK-210
ENSP00000408180
ENST00000415055
H0Y6V4
[Direct mapping] Receptor-type tyrosine-protein phosphatase kappa
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Cancer-related genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Translocations
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004725 [protein tyrosine phosphatase activity]
GO:0006470 [protein dephosphorylation]
Show all
260 aa
30.3 kDa
No 0
PTPRK-213
ENSP00000434058
ENST00000490332
H0YDP9
[Direct mapping] Receptor-type tyrosine-protein phosphatase kappa
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Cancer-related genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Translocations
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005515 [protein binding]
GO:0016020 [membrane]
Show all
204 aa
22.7 kDa
No 0
PTPRK-218
ENSP00000434116
ENST00000525459
E9PRW2
[Direct mapping] Receptor-type tyrosine-protein phosphatase kappa
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
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   1TM proteins predicted by MDM
Cancer-related genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Translocations
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0016020 [membrane]
GO:0030054 [cell junction]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
248 aa
27.7 kDa
Yes 1
PTPRK-221
ENSP00000432973
ENST00000532331
Q15262
[Direct mapping] Receptor-type tyrosine-protein phosphatase kappa
Show all
Enzymes
   ENZYME proteins
   Hydrolases
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
Plasma proteins
Cancer-related genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Translocations
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0004721 [phosphoprotein phosphatase activity]
GO:0004725 [protein tyrosine phosphatase activity]
GO:0005001 [transmembrane receptor protein tyrosine phosphatase activity]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0005911 [cell-cell junction]
GO:0005912 [adherens junction]
GO:0006470 [protein dephosphorylation]
GO:0007155 [cell adhesion]
GO:0007165 [signal transduction]
GO:0007179 [transforming growth factor beta receptor signaling pathway]
GO:0008013 [beta-catenin binding]
GO:0008285 [negative regulation of cell population proliferation]
GO:0009986 [cell surface]
GO:0010839 [negative regulation of keratinocyte proliferation]
GO:0016020 [membrane]
GO:0016311 [dephosphorylation]
GO:0016477 [cell migration]
GO:0016787 [hydrolase activity]
GO:0016791 [phosphatase activity]
GO:0019901 [protein kinase binding]
GO:0030054 [cell junction]
GO:0030336 [negative regulation of cell migration]
GO:0031256 [leading edge membrane]
GO:0034394 [protein localization to cell surface]
GO:0034614 [cellular response to reactive oxygen species]
GO:0034644 [cellular response to UV]
GO:0043231 [intracellular membrane-bounded organelle]
GO:0045295 [gamma-catenin binding]
GO:0045786 [negative regulation of cell cycle]
GO:0045892 [negative regulation of DNA-templated transcription]
GO:0048041 [focal adhesion assembly]
GO:0070161 [anchoring junction]
Show all
1462 aa
164.6 kDa
Yes 1

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