SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO01886
Pre Gene Modal
BGIBMGA005947
Annotation
PREDICTED:_uncharacterized_protein_LOC101737309_isoform_X2_[Bombyx_mori]
Full name
Transcription termination factor, mitochondrial      
Alternative Name
Mitochondrial transcription termination factor
Location in the cell
Nuclear   Reliability : 3.075
 

Sequence

CDS
ATGAAAACATTGCTTCACATATACAAGGTCACTATGAATGATGTTGAAAATGGTTTCTGTGAAAACCGGCTTTATTATTTGGCATCTCGATTAAAGTGTTCACCAACTGGCTTATGTGAAAAATTAACTAAAAGAATCTTTGTTTACTCCTTATCATTTGATTGGTTGAAAAATGCCTTAGATATTTTGTTAGAAATGGGTGTGTCTGAAGACAGAATAATTCGGGATTTATGGATATTAAAATATCATCATGAAACAATACGCCTAAGACTTCAACAAGTCAAAGATAAGGGTATTGACAACTTATATCCTTGGATGGTTAGATGCCCTGAGGAGGTACTAAATAGGTCAATTAGATTAAGCCAAGAAACTAAAAATATTCTAGGAGAAACAAAGTCGACACAGATTTATTTAGCTAATCGTCTGAATACATCACTTGATTCTGTGGAAGAGCTGTACTCAAAAACACCTGCATTAAAAACAATCAGAGTGACCAAAGCAAAAAAGTTCCTAGATTTTCTTATTAATGAAGGATTTACTGTTGAAGACATCGCTAATAAATCAAGAGTGTTATCAGCTTCTCAAAAAACTGTACAGCAAAGATTGGAAATGTTACGTGATTTGGGTGTCAATGACATAAATTTGAATGTTCTTTGTAGAAGTAGAAGAGATTTTAAAAAGTATTGTGATACCTTACAATTACTTGCTAAAAAGGATAAATAG
Protein
MKTLLHIYKVTMNDVENGFCENRLYYLASRLKCSPTGLCEKLTKRIFVYSLSFDWLKNALDILLEMGVSEDRIIRDLWILKYHHETIRLRLQQVKDKGIDNLYPWMVRCPEEVLNRSIRLSQETKNILGETKSTQIYLANRLNTSLDSVEELYSKTPALKTIRVTKAKKFLDFLINEGFTVEDIANKSRVLSASQKTVQQRLEMLRDLGVNDINLNVLCRSRRDFKKYCDTLQLLAKKDK

Summary

Description
Transcription termination factor (PubMed:12626700, PubMed:15845400, PubMed:16648357). Binds promoter DNA and regulates mitochondrial replication and transcription (PubMed:12626700, PubMed:15845400, PubMed:16648357, PubMed:24068965). Transcription termination activity may be polarized with highest termination activity occurring when its DNA-binding site is positioned in the reverse orientation with respect to the incoming RNA polymerase (PubMed:15845400). Required for normal topology and maintenance of mitochondrial DNA (mtDNA) levels (PubMed:24068965). Regulates mtDNA replication by promoting replication pausing, possibly by acting as a natural barrier to replication fork progression (PubMed:24068965). Its function in replication pausing prevents unregulated replication that may occur for example by collisions between the machineries of DNA replication and transcription during mtDNA synthesis (PubMed:24068965). This ensures the incorporation of RNA transcripts into replication intermediates at the replication fork and allow for proper fork progression (PubMed:24068965). Shares mtDNA binding sites with the mitochondrial termination factor mTerf5 and thereby may antagonize mTerf5 function during replication to regulate pausing (PubMed:22784680, PubMed:24068965). Likely to function downstream of Dref which activates genes involved in mtDNA replication and maintenance (PubMed:19032147, PubMed:24068965).
Similarity
Belongs to the mTERF family.
Keywords
Complete proteome   DNA replication   Mitochondrion   Reference proteome   Transcription   Transcription regulation   Transit peptide  
Feature
chain  Transcription termination factor, mitochondrial
EMBL
BABH01004994    ODYU01007034    SOQ49422.1    NWSH01002168    PCG68984.1    PCG68986.1    + More
GDQN01008203    JAT82851.1    GDQN01001304    JAT89750.1    GDQN01002739    JAT88315.1    AGBW02011047    OWR47322.1    GDQN01010712    JAT80342.1    AK403678    BAM19865.1    GAMC01008175    JAB98380.1    CM002910    KMY90238.1    CH480818    EDW51741.1    AY196479    AE014134    AY075225    AAL68092.1    AAO38861.1    CH902620    EDV31554.1    CH933807    EDW11867.1    KRG02957.1    GBXI01005772    JAD08520.1    CH963913    EDW77387.1    CM000157    EDW88995.1    GDHF01023163    JAI29151.1    KQ459601    KPI93894.1    CH916368    EDW03630.1    GAKP01010636    JAC48316.1    OUUW01000006    SPP82481.1    CH954177    EDV58576.1    CP012523    ALC39943.1    CH940654    EDW57597.1    CH379061    EAL33260.2    CH479195    EDW27396.1    AJVK01061659    CVRI01000055    CRL01276.1    CM000361    EDX05030.1    GFDF01001966    JAV12118.1    JRES01001125    KNC25308.1    AJWK01004116    KK852561    KDR21317.1    JXJN01015223    JXUM01114158    KQ565759    KXJ70692.1    CCAG010013161    CH477641    EAT37912.1    CVRI01000049    CRK99140.1    GFDL01010957    JAV24088.1    DS231884    EDS43059.1    GGMS01003451    MBY72654.1    AAAB01008984    EAA14996.4    NEVH01016288    PNF26345.1    APCN01003368    AXCN02002086    AXCM01000336    ADMH02002160    ETN58188.1    GGMR01019764    MBY32383.1    ABLF02032773    ATLV01018379    KE525231    KFB43068.1    AK341566    BAH71927.1    UFQT01000006    SSX17407.1    GEZM01038284    JAV81680.1    GECU01037121    GECU01021975    GECU01021450    GECU01018158    GECU01014831    JAS70585.1    JAS85731.1    JAS86256.1    JAS89548.1    JAS92875.1    GFWV01003715    MAA28445.1    GBRD01014112    JAG51714.1    GDHC01002957    JAQ15672.1    GGLE01006041    MBY10167.1    LJIG01001567    KRT85373.1    JTDY01001163    KOB74688.1    LJIJ01000138    ODN01803.1    KK107182    QOIP01000011    EZA55963.1    RLU17039.1    PYGN01000830    PSN40269.1    KK116685    KFM68461.1    KQ981693    KYN37623.1   
Pfam
PF02536   mTERF        + More
PF07542   ATP12
PF10996   Beta-Casp
PF16661   Lactamase_B_6
PF07521   RMMBL
Interpro
IPR038538   MTERF_sf        + More
IPR003690   MTERF       
IPR023335   ATP12_ortho_dom_sf       
IPR042272   ATP12_ATP_synth-F1-assembly_N       
IPR011419   ATP12_ATP_synth-F1-assembly       
IPR036866   RibonucZ/Hydroxyglut_hydro       
IPR001279   Metallo-B-lactamas       
IPR022712   Beta_Casp       
IPR041897   INTS11-like_MBL-fold       
IPR011108   RMMBL       
SUPFAM
SSF56281   SSF56281       

Ontologies

Topology

Subcellular location
Mitochondrion  
Length:
240
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.01
Exp number, first 60 AAs:
0.00682
Total prob of N-in:
0.09420
outside
1  -  240
 
 

Population Genetic Test Statistics

Pi
236.100501
Theta
187.433845
Tajima's D
0.812524
CLR
0.480275
CSRT
0.603469826508675
Interpretation
Possibly Positive selection
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