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Overview

Uniprot IDQ08290
Protein NameCalponin-1
Gene NameCnn1
OrganismRattus norvegicus

Kla Sites from experimental identification

Position Flanking peptide
225 GMTAPGTKRQIFEPG

Function

Thin filament-associated protein that is implicated in the regulation and modulation of smooth muscle contraction. It is capable of binding to actin, calmodulin and tropomyosin. The interaction of calponin with actin inhibits the actomyosin Mg-ATPase activity

Protein Sequence

10 MSSAHFNRGP 20 AYGLSAEVKN 30 KLAQKYDHQR 40 EQELREWIEG 50 VTGRRIGSNF 60 MDGLKDGIIL 70 CEFINKLQPG 80 SVKKVNESTQ 90 NWHQLENIGN 100 FIKAITKYGV 110 KPHDIFEAND 120 LFENTNHTQV 130 QSTLLALASM 140 AKTKGNKVNV 150 GVKYAEKQER 160 RFEPEKLREG 170 RNIIGLQMGT 180 NKFASQQGMT 190 AYGTRRHLYD 200 PKLGTDQPLD 210 QATISLQMGT 220 NKGASQAGMT 230 APGTKRQIFE 240 PGLGMEHCDT 250 LNVSLQMGSN 260 KGASQRGMTV 270 YGLPRQVYDP 280 KYCLTPEYPE 290 LDEPTHNHHP HNYYNSA

Gene Ontology

Classification GO ID Description
Cellular Component GO:0015629 actin cytoskeleton
Cellular Component GO:0005856 cytoskeleton
Molecular Function GO:0003779 actin binding
Molecular Function GO:0051015 actin filament binding
Molecular Function GO:0005516 calmodulin binding
Biological Process GO:0007015 actin filament organization
Biological Process GO:0031032 actomyosin structure organization
Biological Process GO:1904706 negative regulation of vascular associated smooth muscle cell proliferation

Reference

[1] Sheng L, Xu H, Wang Y, Ni J, Xiang T et al.. Systematic analysis of lysine lactylation in nucleus pulposus cells.. iScience 27(11):111157. 2024 Nov 15. PMID: 39524337.