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This gene encodes a member of the arm-repeat (armadillo) and plakophilin gene families. Plakophilin proteins contain numerous armadillo repeats, localize to cell desmosomes and nuclei, and participate in linking cadherins to intermediate filaments in the cytoskeleton. This gene product may regulate the signaling activity of beta-catenin. Two alternately spliced transcripts encoding two protein isoforms have been identified. A processed pseudogene with high similarity to this locus has been mapped to chromosome 12p13. [provided by RefSeq, Jul 2008]
PKP2 (Plakophilin 2) is a Protein Coding gene. Diseases associated with PKP2 include Arrhythmogenic Right Ventricular Dysplasia, Familial, 9 and Arrhythmogenic Right Ventricular Cardiomyopathy. Among its related pathways are Arrhythmogenic right ventricular cardiomyopathy and Cytoskeleton remodeling Neurofilaments. Gene Ontology (GO) annotations related to this gene include binding and protein kinase C binding. An important paralog of this gene is CTNND2.
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0005080 | protein kinase C binding | IPI | 18474624 |
GO:0005515 | protein binding | IPI | 10852826 |
GO:0017080 | sodium channel regulator activity | ISS | -- |
GO:0019215 | intermediate filament binding | IDA | 10852826 |
GO:0044325 | ion channel binding | ISS | -- |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0001533 | cornified envelope | TAS | -- |
GO:0005634 | nucleus | IBA,NAS | 8922383 |
GO:0005654 | nucleoplasm | IDA | -- |
GO:0005737 | cytoplasm | IBA | 21873635 |
GO:0005882 | intermediate filament | ISS | -- |
SuperPathway | Contained pathways | ||
---|---|---|---|
1 | Arrhythmogenic right ventricular cardiomyopathy | ||
2 | Keratinization |
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3 | Developmental Biology | ||
4 | Cytoskeleton remodeling Neurofilaments |
Cytoskeleton remodeling Keratin filaments
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GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0002159 | desmosome assembly | IMP | 18474624 |
GO:0002934 | desmosome organization | IBA | 21873635 |
GO:0007043 | cell-cell junction assembly | IBA | 21873635 |
GO:0007155 | cell adhesion | IEA | -- |
GO:0007507 | heart development | ISS | -- |
ExUns: | 1a | · | 1b | · | 1c | ^ | 2 | ^ | 3 | ^ | 4 | ^ | 5 | ^ | 6 | ^ | 7 | ^ | 8 | ^ | 9a | · | 9b | ^ | 10 | ^ | 11a | · | 11b | · | 11c | ^ | 12a | · | 12b | ^ | 13 | ^ | 14a | · | 14b | ^ | 15a | · | 15b |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SP1: | - | - | - | - | |||||||||||||||||||||||||||||||||||||||||
SP2: | - | - | - | - | - | ||||||||||||||||||||||||||||||||||||||||
SP3: | - | ||||||||||||||||||||||||||||||||||||||||||||
SP4: | |||||||||||||||||||||||||||||||||||||||||||||
SP5: | |||||||||||||||||||||||||||||||||||||||||||||
SP6: | - |
This gene was present in the common ancestor of chordates.
Organism | Taxonomy | Gene | Similarity | Type | Details |
---|---|---|---|---|---|
Chimpanzee (Pan troglodytes) |
Mammalia | PKP2 30 31 |
|
OneToOne | |
Dog (Canis familiaris) |
Mammalia | PKP2 30 31 |
|
OneToOne | |
Cow (Bos Taurus) |
Mammalia | PKP2 30 31 |
|
OneToOne | |
Platypus (Ornithorhynchus anatinus) |
Mammalia | -- 31 |
|
OneToMany | |
-- 31 |
|
OneToMany | |||
Mouse (Mus musculus) |
Mammalia | Pkp2 30 17 31 |
|
OneToOne | |
Rat (Rattus norvegicus) |
Mammalia | Pkp2 30 |
|
||
Oppossum (Monodelphis domestica) |
Mammalia | PKP2 31 |
|
OneToOne | |
Chicken (Gallus gallus) |
Aves | PKP2 30 31 |
|
OneToOne | |
Lizard (Anolis carolinensis) |
Reptilia | PKP2 31 |
|
OneToOne | |
Tropical Clawed Frog (Silurana tropicalis) |
Amphibia | pkp2 30 |
|
||
Zebrafish (Danio rerio) |
Actinopterygii | pkp2 30 31 |
|
OneToOne |
SNP ID | Clinical significance and condition | Chr 12 pos | Variation | AA Info | Type |
---|---|---|---|---|---|
138692 | Conflicting Interpretations: Cardiomyopathy; Arrhythmogenic right ventricular dysplasia 9 | 32,843,228(-) |
G/A NM_004572.3(PKP2):c.1464C>T (p.Gly488=) |
SYNONYMOUS_VARIANT,INTRON | |
188656 | Likely Benign: Cardiomyopathy | 32,878,076(-) |
G/A NM_004572.3(PKP2):c.804C>T (p.Val268=) |
SYNONYMOUS | |
201975 | Uncertain Significance: Cardiomyopathy | 32,878,294(-) |
G/A NM_004572.3(PKP2):c.586C>T (p.Arg196Cys) |
MISSENSE | |
201984 | Likely Pathogenic: Arrhythmogenic right ventricular dysplasia 9 | 32,850,764(-) |
A/T NM_004572.3(PKP2):c.1378+2T>A |
SPLICE_DONOR | |
464434 | Uncertain Significance: Cardiomyopathy; Arrhythmogenic right ventricular dysplasia 9; not specified | 32,877,909(-) |
GCCT/AGGC NM_001005242.2(PKP2):c.968_971inv (p.Gln323_Ala324delinsArgLeu) |
MISSENSE |
Variant ID | Type | Subtype | PubMed ID |
---|---|---|---|
dgv796n106 | CNV | deletion | 24896259 |
esv1043456 | CNV | deletion | 17803354 |
esv2485280 | CNV | deletion | 19546169 |
esv2745751 | CNV | deletion | 23290073 |
esv2745753 | CNV | deletion | 23290073 |
esv3252829 | CNV | deletion | 24192839 |
esv3549028 | CNV | deletion | 23714750 |
esv3629089 | CNV | loss | 21293372 |
esv4479 | CNV | loss | 18987735 |
esv8190 | CNV | loss | 19470904 |
nsv1070523 | CNV | deletion | 25765185 |
nsv516937 | CNV | loss | 19592680 |
nsv526287 | CNV | loss | 19592680 |
nsv958653 | CNV | deletion | 24416366 |
nsv976595 | CNV | duplication | 23825009 |
Disorder | Aliases | PubMed IDs |
---|---|---|
arrhythmogenic right ventricular dysplasia, familial, 9 |
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arrhythmogenic right ventricular cardiomyopathy |
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familial isolated arrhythmogenic right ventricular dysplasia |
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atrial standstill 1 |
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ventricular tachycardia, catecholaminergic polymorphic, 1, with or without atrial dysfunction and/or dilated cardiomyopathy |
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