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Overview

Uniprot IDA0A8I6A4U7
Protein NameF-actin-capping protein subunit alpha-2
Gene NameCapza2
OrganismRattus norvegicus

Kla Sites from experimental identification

Position Flanking peptide
200 PKNRICFKFDHLRKE
371 QLPVTRTKIDWNKIL
381 WNKILSYKIGKEMQN

Function

F-actin-capping proteins bind in a Ca(2+)-independent manner to the fast growing ends of actin filaments (barbed end) thereby blocking the exchange of subunits at these ends. Unlike other capping proteins (such as gelsolin and severin), these proteins do not sever actin filaments

Protein Sequence

10 MTEDTIAIRL 20 WRRCARAQWR 30 SGLRSGEGGG 40 ALGRVRGGLR 50 KAELPGVCAV 60 AWIREAELRG 70 ACAAAWAAGP 80 SLGGGARRGR 90 PHGKGEVRWP 100 LLPPAPRFVA 110 RRKMADLEEQ 120 LSDEEKVRIA 130 AKFIIHAPPG 140 EFNEVFNDVR 150 LLLNNDNLLR 160 EGAAHAFAQY 170 NLDQFTPVKI 180 EGYEDQVLIT 190 EHGDLGNGKF 200 LDPKNRICFK 210 FDHLRKEATD 220 PRPYEAENAI 230 ESWRTSVETA 240 LRAYVKEHYP 250 NGVCTVYGKK 260 VDGQQTIIAC 270 IESHQFQAKN 280 FWNGRWRSEW 290 KFTVTPSTTQ 300 VVGILKIQVH 310 YYEDGNVQLV 320 SHKDIQDSLT 330 VSNEVQTAKE 340 FIKIVEAAEN 350 EYQTAISENY 360 QTMSDTTFKA 370 LRRQLPVTRT 380 KIDWNKILSY KIGKEMQNA

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005829 cytosol
Cellular Component GO:0008290 F-actin capping protein complex
Molecular Function GO:0003779 actin binding
Biological Process GO:0051016 barbed-end actin filament capping

Reference

[1] Chen Y, Sun W, Sun Z, Zhao H, Wu T et al.. Effect of electroacupuncture on hippocampal protein lactylation in a rat model of vascular dementia.. Front Neurol 16:1629474. 2025. PMID: 40963935.