Not to be confused with the neurotoxin 
paxilline.
| PXN | 
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| | Available structures | 
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 | PDB | Ortholog search: PDBe RCSB | 
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 | | List of PDB id codes | 
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 | 2O9V, 2VZD, 2VZG, 2VZI, 3GM1, 3PY7, 3U3F, 4EDN, 1OW6, 1OW7, 1OW8, 3RQE, 3RQF, 3RQG, 4XGZ, 4XH2 | 
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| Identifiers | 
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| Aliases | PXN, entrez:5829, paxillin | 
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| External IDs | OMIM: 602505; MGI: 108295; HomoloGene: 37697; GeneCards: PXN; OMA:PXN - orthologs | 
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|  | 
| | Gene location (Mouse) | 
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 |  |  | Chr. | Chromosome 5 (mouse) | 
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 |  |  | Band | 5 F|5 56.1 cM | Start | 115,644,735 bp | 
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 | End | 115,694,046 bp | 
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| | RNA expression pattern | 
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 | Bgee | | Human | Mouse (ortholog) | 
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 | | Top expressed in |  | granulocyte
 tibial nerve
 left uterine tube
 apex of heart
 gastrocnemius muscle
 canal of the cervix
 muscle layer of sigmoid colon
 upper lobe of left lung
 body of uterus
 transverse colon
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 | | Top expressed in |  | granulocyte
 vestibular membrane of cochlear duct
 internal carotid artery
 external carotid artery
 endothelial cell of lymphatic vessel
 retinal pigment epithelium
 right lung lobe
 left lung
 tibiofemoral joint
 stria vascularis
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 |  | More reference expression data | 
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 | BioGPS |  | 
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| Wikidata | 
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Paxillin is a protein that in humans is encoded by the PXN gene. Paxillin is expressed at focal adhesions of non-striated cells and at costameres of striated muscle cells, and it functions to adhere cells to the extracellular matrix. Mutations in PXN as well as abnormal expression of paxillin protein has been implicated in the progression of various cancers.