SecReT4
T4SS ID66
StrainPlasmid pB3
Repliconplasmid pB3 [Browse all T4SS(s) in this replicon]
AccessionNC_006388
Location3885..15828; 40664..43110
NameTrb
FunctionConjugation
ClassificationType IVA; Type P
sequence This T4SS has been mentioned in a genome sequencing report.

T4SS components
ComponentTrbBTrbCTrbDTrbETrbFTrbGTrbHTrbITrbJ
Number111111111
ComponentTrbKTrbLTrbNTraFTraG
Number11111

The information of T4SS components from NC_006388
Region 1: 3885..15828
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#Locus tag (Gene)Coordinates [+/-], size (bp)Protein GIProductComponent
1pB3_p01 (trfA)1492..2712 [-], 122155418006replication initiation protein 
2pB3_p02 (ssb)2760..3101 [-], 34255418007single strand DNA binding protein 
3pB3_p03 (trbA)3215..3577 [+], 36355418008TrbA regulator protein 
4pB3_p04 (trbB)3885..4850 [+], 96655418009TrbB secretion system protein  TrbB
5pB3_p05 (trbC)4864..5328 [+], 46555418010TrbC conjugal transfer protein precursor  TrbC
6pB3_p06 (trbD)5332..5643 [+], 31255418011TrbD conjugal transfer protein  TrbD
7pB3_p07 (trbE)5640..8198 [+], 255955418012TrbE conjugal transfer protein precursor  TrbE
8pB3_p08 (trbF)8195..8977 [+], 78355418013TrbF conjugal transfer protein  TrbF
9pB3_p09 (trbG)8995..9894 [+], 90055418014TrbG conjugal transfer protein precursor  TrbG
10pB3_p10 (trbH)9891..10385 [+], 49555418015TrbH conjugal transfer protein precursor  TrbH
11pB3_p11 (trbI)10390..11811 [+], 142255418016TrbI conjugal transfer protein  TrbI
12pB3_p12 (trbJ)11832..12596 [+], 76555418017TrbJ conjugal transfer/entry exclusion protein precursor  TrbJ
13pB3_p13 (trbK)12606..12833 [+], 22855418018TrbK entry exclusion protein precursor  TrbK
14pB3_p14 (trbL)12844..14574 [+], 173155418019TrbL plasmid conjugal transfer protein precursor  TrbL
15pB3_p15 (trbM)14592..15179 [+], 58855418020TrbM conjugal transfer protein precursor 
16pB3_p16 (trbN)15193..15828 [+], 63655418021TrbN, putative muramidase  TrbN
17pB3_p17 (trbO)15857..16123 [+], 26755418022TrbO conjugal transfer protein 
18pB3_p18 (trbP)16123..16821 [+], 69955418023TrbP conjugal transfer protein 
19pB3_p19 (upf30.5)16837..17268 [+], 43255418024putative outer membrane protein precursor 
20pB3_p20 (upf31.0)17423..18097 [+], 67555418025putative site-specific DNA-methyltransferase 
21pB3_p21 (parA)18099..18758 [-], 66055418026plasmid stablization protein ParA, resolvase 
22pB3_p22 (nps-1)19208..19990 [+], 78355418027beta-lactamase LCR-1 precursor 
23pB3_p23 (tniC)20085..20708 [-], 62455418028putative TniC resolvase 
 
Region 2: 40664..43110
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#Locus tag (Gene)Coordinates [+/-], size (bp)Protein GIProductComponent
1pB3_p38 (traD)38177..38566 [-], 39055418041TraD protein 
2pB3_p39 (traE)38588..40651 [-], 206455418042DNA topoisomerase 
3pB3_p40 (traF)40664..41200 [-], 53755418043TraF maturation peptidase precursor  TraF
4pB3_p41 (traG)41197..43110 [-], 191455418044DNA transport protein precursor  TraG
5pB3_p42 (traI)43107..45347 [-], 224155418045TraI DNA-relaxase 
6pB3_p43 (traH)43409..43801 [-], 39355418046TraH protein 
7pB3_p44 (traJ)45382..45756 [-], 37555418047oriT binding protein TraJ 
8pB3_p45 (traK)46131..46529 [+], 39955418048oriT binding protein TraK 
9pB3_p46 (traL)46529..47254 [+], 72655418049TraL origin of transfer (oriT) protein 
10pB3_p47 (traM)47254..47694 [+], 44155418050TraM protein 
 
flank Genes in the 5-Kb flanking regions if available, or non-essential genes in the T4SS gene cluster if any.

Download FASTA format files
Proteins        Genes
(1) Heuer H; Szczepanowski R; Schneiker S; Puhler A; Top EM; Schluter A (2004). The complete sequences of plasmids pB2 and pB3 provide evidence for a recent ancestor of the IncP-1beta group without any accessory genes. Microbiology. 150(Pt 11):3591-9. [PudMed:15528648]