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Overview

Uniprot IDA0A5G2REB0
Protein NameF-actin-capping protein subunit alpha
Gene NameCAPZA2
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
126 TALRAYVKEHYPNGV
139 GVCTVYGKKIDGQQT
140 VCTVYGKKIDGQQTI
261 QLPVTRTKIDWNKIL
84 NGKFLDPKNRICFKF
90 PKNRICFKFDHLRKE
96 FKFDHLRKEATDPRP

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 VCDFIDTQIS 20 AKFIIHAPPG 30 EFNEVFNDVR 40 LLLNNDNLLR 50 EGAAHAFAQY 60 NLDQFTPVKI 70 EGYEDQVLIT 80 EHGDLGNGKF 90 LDPKNRICFK 100 FDHLRKEATD 110 PRPYEAENAV 120 ESWRTSVETA 130 LRAYVKEHYP 140 NGVCTVYGKK 150 IDGQQTIIAC 160 IESHQFQAKN 170 FWNGRWRSEW 180 KFTITPSTTQ 190 VVGILKIQVH 200 YYEDGNVQLV 210 SHKDIQDSLT 220 VSNEVQTAKE 230 FIKIVEAAEN 240 EYQTAISENY 250 QTMSDTTFKA 260 LRRQLPVTRT 270 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] Fan S, Zhou R, Wen H, Ye H, Ma S et al.. Global profiling of protein lactylome in porcine granulosa cells.. J Ovarian Res 18(1):177. 2025 Aug 8. PMID: 40781717.