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Key component of the cytosolic iron-sulfur protein assembly (CIA) complex, a multiprotein complex that mediates the incorporation of iron-sulfur cluster into apoproteins specifically involved in DNA metabolism and genomic integrity. In the CIA complex, MMS19 acts as an adapter between early-acting CIA components and a subset of cellular target iron-sulfur proteins such as ERCC2/XPD, FANCJ and RTEL1, thereby playing a key role in nucleotide excision repair (NER) and RNA polymerase II (POL II) transcription. As part of the mitotic spindle-associated MMXD complex, plays a role in chromosome segregation, probably by facilitating iron-sulfur cluster assembly into ERCC2/XPD. Indirectly acts as a transcriptional coactivator of estrogen receptor (ER), via its role in iron-sulfur insertion into some component of the TFIIH-machinery.
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Protein Aliases: hMMS19; homolog of yeast MMS19; incisor protein; MET18 homolog; MMS19 cytosolic iron-sulfur assembly component; MMS19 nucleotide excision repair homolog; MMS19 nucleotide excision repair protein homolog; MMS19 nucleotide excision repair-like; MMS19-like (MET18 homolog, S. cerevisiae); MMS19-like protein
Gene Aliases: 2410001K24Rik; 2610042O15Rik; AI316855; C79368; C86341; hMMS19; MET18; MMS19; MMS19L
UniProt ID: (Human) Q96T76, (Mouse) Q9D071
Entrez Gene ID: (Human) 64210, (Rat) 171124, (Mouse) 72199
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