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ORF-less bacterial introns

Clicking on the intron name in the "Species" column brings up full information for individual introns, including intron sequence, GenBank annotation, flanking sequence,  and intron RNA structure. Other links in the Table provide additional information.

ORF-less bacterial introns in Eubacteria

ORF-less bacterial introns in Archaebacteria

Eubacteria

Name Species Host gene Locus Size Intron Structure Type

Accession Number
B.c.I7b Bacillus cereus None Plasmid pE33L466 827 bp IIB CP000040 (3829-4655)
B.c.I13 Bacillus cereus None Plasmid pG9842_209 746 bp IIB CP001187 (155442-156188)
B.th.I2 Bacillus thuringiensis

      Hypothetical  protein

 Plasmid pAW63 949 bp IIB DQ025752 (16908-17856)
Bu.xe.I3 Burkholderia xenovorans None Chromosome 826 bp IIB1 CP000270 (790064-790889)
Cl.pe.I2 Clostridium perfringens Cpa Chromosome 834 bp IIB DQ787115 (1-834)
OYPI2 Onion yellows phytoplasma None Chromosome 735 bp IIA1 AP006628 (544682-545416)
Th.e.I2-1 Thermosynechococcus elongatus BP-1 ORF of Th.e.I1  Chromosome 839 bp IIB1 BA000039 (27972-28810)
Th.e.I4-1 Thermosynechococcus elongatus BP-1 None Chromosome 845 bp  IIB1 BA000039 (219750-220594)
Th.e.I4-2 Thermosynechococcus elongatus BP-1 Putative glycosyltransferase gene Chromosome 845 bp IIB1 BA000039 (2466031-2465187)
Th.e.I5 Thermosynechococcus elongatus BP-1 None Chromosome 846 bp IIB1 BA000039 (245778-246623)
Th.e.I6 Thermosynechococcus elongatus BP-1 DNA None  Chromosome 1684 bp  IIB1 BA000039 (444131-445814)
Th.e.I9 Thermosynechococcus elongatus BP-1 None Chromosome 838 bp IIB1 BA000039 (1159085-1159922)
Th.e.I10-1 Thermosynechococcus elongatus BP-1 Putative transposase Chromosome

850 bp

 IIB1 AP005374 (77764-78613)
Th.e.I10-2 Thermosynechococcus elongatus BP-1 Putative transposase Chromosome 850 bp IIB1 AP005376 (69318-70167)
Th.e.I11-1 Thermosynechococcus elongatus BP-1 None  Chromosome 846 bp IIB1 BA000039 (1683646-1684491)

 

Archaebacteria

 

Name Species Host gene Locus Size Intron Structure Type Accession Number
M.a.I4-1 Methanosarcina acetivorans  None Chromosome 954 bp IIB1 AE010299 (2452061-2453014)
M.a.I4-3 Methanosarcina acetivorans Transposase Chromosome 755 bp IIB1 AE010299 (3665833-3666587)
M.a.I6-1 Methanosarcina acetivorans Conserved region/hypothetical protein Chromosome 622 bp IIB AE010299 (4030024-4030645)
M.a.I6-2 Methanosarcina acetivorans Conserved region/hypothetical protein Chromosome 619 bp IIB AE010299 (2118880-2119498)
M.a.I6-3 Methanosarcina acetivorans  Conserved region/hypothetical protein Chromosome 619 bp IIB AE010299 (4143574-4144192)