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Overview

Uniprot IDQ99551
Protein NameTranscription termination factor 1, mitochondrial
Gene NameMTERF1
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
13 LGQTSISKGLNYLTI

Function

Transcription termination factor. Binds to a 28 bp region within the tRNA(Leu(uur)) gene at a position immediately adjacent to and downstream of the 16S rRNA gene; this region comprises a tridecamer sequence critical for directing accurate termination. Binds DNA along the major grove and promotes DNA bending and partial unwinding. Promotes base flipping. Transcription termination activity appears to be polarized with highest specificity for transcripts initiated on the light strand

Protein Sequence

10 MQSLSLGQTS 20 ISKGLNYLTI 30 MAPGNLWHMR 40 NNFLFGSRCW 50 MTRFSAENIF 60 KSVSFRLFGV 70 KCHNTDSEPL 80 KNEDLLKNLL 90 TMGVDIDMAR 100 KRQPGVFHRM 110 ITNEQDLKMF 120 LLSKGASKEV 130 IASIISRYPR 140 AITRTPENLS 150 KRWDLWRKIV 160 TSDLEIVNIL 170 ERSPESFFRS 180 NNNLNLENNI 190 KFLYSVGLTR 200 KCLCRLLTNA 210 PRTFSNSLDL 220 NKQMVEFLQA 230 AGLSLGHNDP 240 ADFVRKIIFK 250 NPFILIQSTK 260 RVKANIEFLR 270 STFNLNSEEL 280 LVLICGPGAE 290 ILDLSNDYAR 300 RSYANIKEKL 310 FSLGCTEEEV 320 QKFVLSYPDV 330 IFLAEKKFND 340 KIDCLMEENI 350 SISQIIENPR 360 VLDSSISTLK 370 SRIKELVNAG 380 CNLSTLNITL 390 LSWSKKRYEA KLKKLSRFA

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005759 mitochondrial matrix
Cellular Component GO:0042645 mitochondrial nucleoid
Cellular Component GO:0005739 mitochondrion
Molecular Function GO:0003690 double-stranded DNA binding
Molecular Function GO:0003676 nucleic acid binding
Molecular Function GO:0003723 RNA binding
Biological Process GO:0032392 DNA geometric change
Biological Process GO:0006353 DNA-templated transcription termination
Biological Process GO:0006393 termination of mitochondrial transcription

Reference

[1] He C, Zhang J, Bai X, Lu C, Zhang K. Lysine lactylation-based insight to understanding the characterization of cervical cancer.. Biochim Biophys Acta Mol Basis Dis 1870(7):167356. 2024 Oct. PMID: 39025375.