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Overview

Uniprot IDQ96E29
Protein NameTranscription termination factor 3, mitochondrial
Gene NameMTERF3
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
189 LDFEKDIKQMLLFLK

Function

Binds promoter DNA and regulates initiation of transcription (PubMed:17662942). Required for normal mitochondrial transcription and translation, and for normal assembly of mitochondrial respiratory complexes. Required for normal mitochondrial function (By similarity). Maintains 16S rRNA levels and functions in mitochondrial ribosome assembly by regulating the biogenesis of the 39S ribosomal subunit (By similarity)

Protein Sequence

10 MALSAQQIPR 20 WFNSVKLRSL 30 INAAQLTKRF 40 TRPARTLLHG 50 FSAQPQISSD 60 NCFLQWGFKT 70 YRTSSLWNSS 80 QSTSSSSQEN 90 NSAQSSLLPS 100 MNEQSQKTQN 110 ISSFDSELFL 120 EELDELPPLS 130 PMQPISEEEA 140 IQIIADPPLP 150 PASFTLRDYV 160 DHSETLQKLV 170 LLGVDLSKIE 180 KHPEAANLLL 190 RLDFEKDIKQ 200 MLLFLKDVGI 210 EDNQLGAFLT 220 KNHAIFSEDL 230 ENLKTRVAYL 240 HSKNFSKADV 250 AQMVRKAPFL 260 LNFSVERLDN 270 RLGFFQKELE 280 LSVKKTRDLV 290 VRLPRLLTGS 300 LEPVKENMKV 310 YRLELGFKHN 320 EIQHMITRIP 330 KMLTANKMKL 340 TETFDFVHNV 350 MSIPHHIIVK 360 FPQVFNTRLF 370 KVKERHLFLT 380 YLGRAQYDPA 390 KPNYISLDKL 400 VSIPDEIFCE 410 EIAKASVQDF EKFLKTL

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005759 mitochondrial matrix
Cellular Component GO:0005741 mitochondrial outer membrane
Cellular Component GO:0005739 mitochondrion
Molecular Function GO:0000976 transcription cis-regulatory region binding
Biological Process GO:0006351 DNA-templated transcription
Biological Process GO:0061668 mitochondrial ribosome assembly
Biological Process GO:0045892 negative regulation of DNA-templated transcription
Biological Process GO:1903108 regulation of mitochondrial transcription

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.