SecReT4
TrbK
TrbK is a component of Trb T4SS. TrbK is necessary and sufficient for the entry exclusion function of plasmids such as RP4

Proteins belonging to this kind of component are listed
(You can select < 50 proteins to perform sequence alignment by MUSCLE)
#ComponentProtein ID T4SS Accession Organism
1 TrbK311109697TrbNC_014641Achromobacter xylosoxidans A8
2 TrbK58616630TrbNC_006830Achromobacter xylosoxidans A8 plasmid pA81 (NC_006830)
3 TrbK121594875TrbNC_008782Acidovorax sp. JS42
4 TrbK121582570TrbNC_008766Acidovorax sp. JS42
5 TrbK222109061TrbNC_011990Agrobacterium radiobacter K84
6 TrbK10954771TrbNC_002575Agrobacterium rhizogenes plasmid pRi1724 (NC_002575)
7 TrbK190404433TrbNC_010841Agrobacterium rhizogenes plasmid pRi2659 (NC_010841)
8 TrbK10954832TrbNC_002147Agrobacterium tumefaciens plasmid pTi-SAKURA (NC_002147)
9 TrbK190014716TrbNC_010929Agrobacterium tumefaciens plasmid Ti plasmid pTiBo542 (NC_010929)
10 TrbK16119848TrbNC_003065Agrobacterium tumefaciens str. C58
11 TrbK222083317TrbNC_011984Agrobacterium vitis S4
12 TrbK222080315TrbNC_011982Agrobacterium vitis S4
13 TrbK58616442TrbNC_006824Aromatoleum aromaticum EbN1
14 TrbK168998403TrbNC_001621Birmingham IncP-alpha plasmid
15 TrbK116006763TrbNC_008459Bordetella pertussis plasmid pBP136 (NC_008459)
16 TrbK148258625TrbNC_009485Bradyrhizobium sp. BTAi1
17 TrbK148258908TrbNC_009485Bradyrhizobium sp. BTAi1
18 TrbK115345518TrbNC_008385Burkholderia ambifaria AMMD
19 TrbK282167216TrbNC_013666Burkholderia cepacia plasmid pIJB1 (NC_013666)
20 TrbK257091650TrbNC_013193Candidatus Accumulibacter phosphatis clade IIA str. UW-1
21 TrbK295689878TrbNC_014100Caulobacter segnis ATCC 21756
22 TrbK190571956TrbNC_010935Comamonas testosteroni CNB-1
23 TrbK34500500TrbNC_005088Delftia acidovorans plasmid pUO1 (NC_005088)
24 TrbK10955220TrbNC_001735Enterobacter aerogenes plasmid R751 (NC_001735)
25 TrbK77993240TrbNC_007502IncP-1beta multiresistance plasmid pB8
26 TrbK111038065TrbNC_008272IncP-1 plasmid pKJK5
27 TrbK295788830TrbNC_014105Neisseria gonorrhoeae plasmid pEP5289 (NC_014105)
28 TrbK253723677TrbNC_012919Photobacterium damselae subsp. piscicida plasmid pP9014 (NC_012919)
29 TrbK55418018TrbNC_006388Plasmid pB3
30 TrbK108524615TrbNC_008055Plasmid QKH54
31 TrbK328541607TrbNC_015258Polymorphum gilvum SL003B-26A1
32 TrbK114881131TrbNC_008357Pseudomonas aeruginosa plasmid pBS228 (NC_008357)
33 TrbK257070298TrbNC_013176Pseudomonas putida plasmid pW2 (NC_013176)
34 TrbK32455863TrbNC_004956Pseudomonas sp. ADP plasmid pADP-1 (NC_004956)
35 TrbK72384313TrbNC_007337Ralstonia eutropha JMP134
36 TrbK49176928TrbNC_005912Ralstonia eutropha JMP134 plasmid pJP4 (NC_005912)
37 TrbK39935297TrbNC_005296Rhodopseudomonas palustris CGA009
38 TrbK39937179TrbNC_005296Rhodopseudomonas palustris CGA009
39 TrbK16519691TrbNC_000914Sinorhizobium fredii NGR234
40 TrbK190410135TrbNC_010865Sinorhizobium meliloti SM11 plasmid pSmeSM11b (NC_010865)
41 TrbK294011980TrbNC_014006Sphingobium japonicum UT26S
42 TrbK294023829TrbNC_014007Sphingobium japonicum UT26S
43 TrbK73746052TrbNC_007353Sphingomonas sp. A1 plasmid pA1 (NC_007353)
44 TrbK148556598TrbNC_009511Sphingomonas wittichii RW1
45 TrbK31795128TrbNC_004840uncultured bacterium plasmid pB10 (NC_004840)
46 TrbK19352394TrbNC_003430uncultured bacterium plasmid pB4 (NC_003430)
47 TrbK53793925TrbNC_006352uncultured bacterium plasmid pTB11 (NC_006352)
48 TrbK84310696TrbNC_007680uncultured bacterium plasmid pTP6 (NC_007680)
49 TrbK260753592TrbNC_013355Zymomonas mobilis subsp. mobilis NCIMB 11163
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Multiple protein sequence alignment by MUSCLE online
   

Genomics & Bioinformatics Group in MML, SJTU