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Overview

Uniprot IDQ13901
Protein NameNuclear nucleic acid-binding protein C1D
Gene NameC1D
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
119 GAASRFVKNALWEPK
128 ALWEPKSKNASKVAN

Function

Plays a role in the recruitment of the RNA exosome complex to pre-rRNA to mediate the 3'-5' end processing of the 5.8S rRNA; this function may include MPHOSPH6. Can activate PRKDC not only in the presence of linear DNA but also in the presence of supercoiled DNA. Can induce apoptosis in a p53/TP53 dependent manner. May regulate the TRAX/TSN complex formation. Potentiates transcriptional repression by NR1D1 and THRB (By similarity)

Protein Sequence

10 MAGEEINEDY 20 PVEIHEYLSA 30 FENSIGAVDE 40 MLKTMMSVSR 50 NELLQKLDPL 60 EQAKVDLVSA 70 YTLNSMFWVY 80 LATQGVNPKE 90 HPVKQELERI 100 RVYMNRVKEI 110 TDKKKAGKLD 120 RGAASRFVKN 130 ALWEPKSKNA 140 SKVANKGKSK S

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0000178 exosome (RNase complex)
Cellular Component GO:0000176 nuclear exosome (RNase complex)
Cellular Component GO:0005730 nucleolus
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Cellular Component GO:0017053 transcription repressor complex
Molecular Function GO:0003677 DNA binding
Molecular Function GO:0016922 nuclear receptor binding
Molecular Function GO:0003723 RNA binding
Molecular Function GO:0003714 transcription corepressor activity
Biological Process GO:0006915 apoptotic process
Biological Process GO:0006351 DNA-templated transcription
Biological Process GO:0000460 maturation of 5.8S rRNA
Biological Process GO:0010468 regulation of gene expression

Reference

[1] 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.