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Overview

Uniprot IDP58546
Protein NameMyotrophin
Gene NameMTPN
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
24 EVKDYVAKGEDVNRT
4 ****MCDKEFMWALK
85 EGHVSCVKLLLSKGA
90 CVKLLLSKGADKTVK
97 KGADKTVKGPDGLTA

Function

Promotes dimerization of NF-kappa-B subunits and regulates NF-kappa-B transcription factor activity (By similarity). Plays a role in the regulation of the growth of actin filaments. Inhibits the activity of the F-actin-capping protein complex formed by the CAPZA1 and CAPZB heterodimer. Promotes growth of cardiomyocytes, but not cardiomyocyte proliferation. Promotes cardiac muscle hypertrophy

Protein Sequence

10 MCDKEFMWAL 20 KNGDLDEVKD 30 YVAKGEDVNR 40 TLEGGRKPLH 50 YAADCGQLEI 60 LEFLLLKGAD 70 INAPDKHHIT 80 PLLSAVYEGH 90 VSCVKLLLSK 100 GADKTVKGPD 110 GLTAFEATDN QAIKALLQ

Gene Ontology

Classification GO ID Description
Cellular Component GO:0008290 F-actin capping protein complex
Cellular Component GO:0005634 nucleus
Cellular Component GO:0048471 perinuclear region of cytoplasm
Biological Process GO:0030182 neuron differentiation
Biological Process GO:0010613 positive regulation of cardiac muscle hypertrophy
Biological Process GO:0030307 positive regulation of cell growth
Biological Process GO:0010557 positive regulation of macromolecule biosynthetic process
Biological Process GO:0051247 positive regulation of protein metabolic process
Biological Process GO:2000812 regulation of barbed-end actin filament capping
Biological Process GO:0008361 regulation of cell size
Biological Process GO:0016202 regulation of striated muscle tissue development
Biological Process GO:0006417 regulation of translation
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol

Reference

[1] 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.

[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.