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Overview

Uniprot IDF1RMW4
Protein NameDNA repair protein XRCC1
Gene NameXRCC1
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
252 ESPKGKRKLDLNQEA
276 QPSPPALKRPKLPAA
303 ARGAAPGKPRGEGAK

Function

Scaffold protein involved in DNA single-strand break repair by mediating the assembly of DNA break repair protein complexes. Negatively regulates ADP-ribosyltransferase activity of PARP1 during base-excision repair in order to prevent excessive PARP1 activity. Recognizes and binds poly-ADP-ribose chains: specifically binds auto-poly-ADP-ribosylated PARP1, limiting its activity

Protein Sequence

10 MPEIRLRHVV 20 SCSSQDSTHC 30 AENLLKADTY 40 RKWRAAKAGE 50 KTISVVLQLE 60 KEEQIHSVDI 70 GNDGSAFVEV 80 LVGSSAGGAG 90 EQDYEVLLVT 100 SSFMSPSESR 110 SGSNPNRVRI 120 FGPDKLVRAA 130 AEKRWDRVKI 140 VCSQPYSKDA 150 PYGLSFIRFH 160 SPPDKDEAEA 170 SSQKVTRLGQ 180 FRVKEEDEST 190 SSLRPGALFF 200 SRINRTPPVA 210 ASDPAGPSYA 220 AATLQASSAA 230 SSVSPASKAT 240 GSASRAAGST 250 SKPQESPKGK 260 RKLDLNQEAK 270 KTPSKPSAQP 280 SPPALKRPKL 290 PAAPRTPATA 300 PLPAPARGAA 310 PGKPRGEGAK 320 PRAPRAGPQE 330 LGKILQGVVV 340 VLSGFQNPFR 350 SELRDKALEL 360 GAKYRPDWTP 370 DSTHLICAFA 380 NTPKYSQVLG 390 LGGRIVRKEW 400 VLDCHRMRRR 410 LPSRRYLMAG 420 PDSSSEDEGG 430 SPGGSSGDEA 440 PKPPRQRPQT 450 KARPPQAAGP 460 SLPQRPPAPE 470 ETKPASPRPQ 480 DDTDIEGEQS 490 GQDNGAEDSG 500 DTEDELRRVA 510 EQKEQRQPPG 520 QGENGEDPYA 530 GSTDENTDNE 540 GPPESPDLPV 550 PELPDFFQGK 560 HFFLYGEFPG 570 DERRRLSRYV 580 TAFNGELEDY 590 MSDRVQFVIT 600 AQEWDPSFEE 610 ALMDNPSLVF 620 VRPRWIYSCN 630 EKQKLLPHQL YGVVPQA

Gene Ontology

Classification GO ID Description
Cellular Component GO:0000785 chromatin
Cellular Component GO:0000781 chromosome, telomeric region
Molecular Function GO:0019899 enzyme binding
Molecular Function GO:0032356 oxidized DNA binding
Molecular Function GO:0072572 poly-ADP-D-ribose binding
Molecular Function GO:1990165 single-strand break-containing DNA binding
Biological Process GO:0006284 base-excision repair
Biological Process GO:0006303 double-strand break repair via nonhomologous end joining
Biological Process GO:1905765 negative regulation of protection from non-homologous end joining at telomere
Biological Process GO:1905051 regulation of base-excision repair
Biological Process GO:0033194 response to hydroperoxide
Biological Process GO:0000012 single strand break repair
Biological Process GO:0061819 telomeric DNA-containing double minutes formation
Cellular Component GO:0070522 ERCC4-ERCC1 complex
Cellular Component GO:0005730 nucleolus
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Cellular Component GO:0090734 site of DNA damage
Molecular Function GO:1990599 3' overhang single-stranded DNA endodeoxyribonuclease activity
Molecular Function GO:0160002 ADP-D-ribose modification-dependent protein binding

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.