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Overview

Uniprot IDP49023
Protein NamePaxillin
Gene NamePXN
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
199 GKAGPLTKEKPKRNG
355 LGVATVAKGVCGACK

Function

Cytoskeletal protein involved in actin-membrane attachment at sites of cell adhesion to the extracellular matrix (focal adhesion). Recruits other proteins such as TRIM15 to focal adhesion

Protein Sequence

10 MDDLDALLAD 20 LESTTSHISK 30 RPVFLSEETP 40 YSYPTGNHTY 50 QEIAVPPPVP 60 PPPSSEALNG 70 TILDPLDQWQ 80 PSSSRFIHQQ 90 PQSSSPVYGS 100 SAKTSSVSNP 110 QDSVGSPCSR 120 VGEEEHVYSF 130 PNKQKSAEPS 140 PTVMSTSLGS 150 NLSELDRLLL 160 ELNAVQHNPP 170 GFPADEANSS 180 PPLPGALSPL 190 YGVPETNSPL 200 GGKAGPLTKE 210 KPKRNGGRGL 220 EDVRPSVESL 230 LDELESSVPS 240 PVPAITVNQG 250 EMSSPQRVTS 260 TQQQTRISAS 270 SATRELDELM 280 ASLSDFKIQG 290 LEQRADGERC 300 WAAGWPRDGG 310 RSSPGGQDEG 320 GFMAQGKTGS 330 SSPPGGPPKP 340 GSQLDSMLGS 350 LQSDLNKLGV 360 ATVAKGVCGA 370 CKKPIAGQVV 380 TAMGKTWHPE 390 HFVCTHCQEE 400 IGSRNFFERD 410 GQPYCEKDYH 420 NLFSPRCYYC 430 NGPILDKVVT 440 ALDRTWHPEH 450 FFCAQCGAFF 460 GPEGFHEKDG 470 KAYCRKDYFD 480 MFAPKCGGCA 490 RAILENYISA 500 LNTLWHPECF 510 VCRECFTPFV 520 NGSFFEHDGQ 530 PYCEVHYHER 540 RGSLCSGCQK 550 PITGRCITAM 560 AKKFHPEHFV 570 CAFCLKQLNK 580 GTFKEQNDKP 590 YCQNCFLKLF C

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005938 cell cortex
Cellular Component GO:0005911 cell-cell junction
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005925 focal adhesion
Cellular Component GO:0030027 lamellipodium
Cellular Component GO:0005875 microtubule associated complex
Cellular Component GO:0005886 plasma membrane
Cellular Component GO:0001725 stress fiber
Molecular Function GO:0008013 beta-catenin binding
Molecular Function GO:0046872 metal ion binding
Molecular Function GO:0038191 neuropilin binding
Molecular Function GO:0019903 protein phosphatase binding
Molecular Function GO:0017166 vinculin binding
Biological Process GO:0007155 cell adhesion
Biological Process GO:0016477 cell migration
Biological Process GO:0034614 cellular response to reactive oxygen species
Biological Process GO:0043542 endothelial cell migration
Biological Process GO:0060396 growth hormone receptor signaling pathway
Biological Process GO:0051496 positive regulation of stress fiber assembly
Biological Process GO:0007172 signal complex assembly
Biological Process GO:0007165 signal transduction
Biological Process GO:0034446 substrate adhesion-dependent cell spreading
Biological Process GO:0007179 transforming growth factor beta receptor signaling pathway

Reference

[1] Chao L, Xu Y, Yang Y, Ao X, Liang J. Identification of lactylation-related biomarkers for diagnosis, prognosis, and treatment responsiveness in triple-negative breast cancer.. World J Surg Oncol 24(1):77. 2026 Jan 22. PMID: 41566505.

[2] Wu Q, Li Z, Gong T, Zheng X, Zhou X et al.. Porphyromonas gingivalis infection induces lysine lactylation reprogramming in human umbilical vein endothelial cells.. Front Cell Infect Microbiol 16:1706727. 2026. PMID: 41696360.