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Overview

Uniprot IDP50402
Protein NameEmerin
Gene NameEMD
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
37 TRRLYEKKIFEYETQ
79 DMYDLPKKEDALLYQ

Function

Stabilizes and promotes the formation of a nuclear actin cortical network. Stimulates actin polymerization in vitro by binding and stabilizing the pointed end of growing filaments (PubMed:15328537). Inhibits beta-catenin activity by preventing its accumulation in the nucleus. Acts by influencing the nuclear accumulation of beta-catenin through a CRM1-dependent export pathway (PubMed:16858403). Links centrosomes to the nuclear envelope via a microtubule association (PubMed:17785515). Required for proper localization of non-farnesylated prelamin-A/C (PubMed:19323649). Together with NEMP1, contributes to nuclear envelope stiffness in germ cells (PubMed:32923640). EMD and BAF are cooperative cofactors of HIV-1 infection. Association of EMD with the viral DNA requires the presence of BAF and viral integrase. The association of viral DNA with chromatin requires the presence of BAF and EMD

Protein Sequence

10 MDNYADLSDT 20 ELTTLLRRYN 30 IPHGPVVGST 40 RRLYEKKIFE 50 YETQRRRLSP 60 PSSSAASSYS 70 FSDLNSTRGD 80 ADMYDLPKKE 90 DALLYQSKGY 100 NDDYYEESYF 110 TTRTYGEPES 120 AGPSRAVRQS 130 VTSFPDADAF 140 HHQVHDDDLL 150 SSSEEECKDR 160 ERPMYGRDSA 170 YQSITHYRPV 180 SASRSSLDLS 190 YYPTSSSTSF 200 MSSSSSSSSW 210 LTRRAIRPEN 220 RAPGAGLGQD 230 RQVPLWGQLL 240 LFLVFVIVLF 250 FIYHFMQAEE GNPF

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005637 nuclear inner membrane
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005783 endoplasmic reticulum
Cellular Component GO:0016020 membrane
Cellular Component GO:0005874 microtubule
Cellular Component GO:0005635 nuclear envelope
Cellular Component GO:0031965 nuclear membrane
Cellular Component GO:0005640 nuclear outer membrane
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005819 spindle
Cellular Component GO:0160045 TMEM240-body
Molecular Function GO:0003779 actin binding
Molecular Function GO:0048487 beta-tubulin binding
Molecular Function GO:0045296 cadherin binding
Biological Process GO:1990000 amyloid fibril formation
Biological Process GO:0071363 cellular response to growth factor stimulus
Biological Process GO:0006936 muscle contraction
Biological Process GO:0007517 muscle organ development
Biological Process GO:0090090 negative regulation of canonical Wnt signaling pathway
Biological Process GO:0048147 negative regulation of fibroblast proliferation
Biological Process GO:0071763 nuclear membrane organization
Biological Process GO:0046827 positive regulation of protein export from nucleus
Biological Process GO:0060828 regulation of canonical Wnt signaling pathway

Reference

[1] Yang D, Yin J, Shan L, Yi X, Zhang W et al.. Identification of lysine-lactylated substrates in gastric cancer cells.. iScience 25(7):104630. 2022 Jul 15. PMID: 35800753.

[2] Yang Z, Yan C, Ma J, Peng P, Ren X et al.. Lactylome analysis suggests lactylation-dependent mechanisms of metabolic adaptation in hepatocellular carcinoma.. Nat Metab 5(1):61-79. 2023 Jan. PMID: 36593272.

[3] He C, Zhang J, Bai X, Lu C, Zhang K. Lysine lactylation-based insight to understanding the characterization of cervical cancer.. Biochim Biophys Acta Mol Basis Dis 1870(7):167356. 2024 Oct. PMID: 39025375.

[4] Guo X, Ren X, Yan C, Huang H. Quantitative Proteomics Reveals the Role of Lysine Lactylation in Lenalidomide-Resistance in Multiple Myeloma Cells.. ACS Chem Biol 20(7):1728-1738. 2025 Jul 18. PMID: 40590393.

[5] He J, Lai T, Zhou Z, Yang H, Lei Z et al.. Multiomics profiling reveals the involvement of protein lactylation in nonhomologous end joining pathway conferring radioresistance in lung adenocarcinoma cell.. Sci Rep 15(1):24651. 2025 Jul 9. PMID: 40634431.

[6] 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.