| GI Type T4SSs |
| # | Name | Organism | Replicon | Location | Function |
| 1 | Tfc | Achromobacter xylosoxidans A8 | chromosome [NC_014640] | 1163505..1183635 | conjugation |
| 2 | Tfc | Acidovorax citrulli AAC00-1 | chromosome [NC_008752] | 527741..530091; 545993..554015; 569843..575948 | NA |
| 3 | Tfc | Acidovorax citrulli AAC00-1 | chromosome [NC_008752] | 3022694..3041923 | NA |
| 4 | Tfc | Acidovorax ebreus TPSY | chromosome [NC_011992] | 1226605..1239330 | NA |
| 5 | Tfc | Acidovorax sp. JS42 | chromosome [NC_008782] | 1327178..1354704 | conjugation |
| 6 | Tfc | Acidovorax sp. JS42 | chromosome [NC_008782] | 1458383..1478540 | NA |
| 7 | Tfc | Acidovorax sp. JS42 | chromosome [NC_008782] | 2307140..2321187; 2341585..2347692 | NA |
| 8 | Tfc | Alicycliphilus denitrificans K601 | chromosome [NC_015422] | 2009437..2023471; 2055403..2060107 | NA |
| 9 | Tfc | Alicycliphilus denitrificans K601 | chromosome [NC_015422] | 1874184..1880163; 1895984..1914333 | NA |
| 10 | Tfc | Alteromonas sp. SN2 | chromosome [NC_015554] | 4669419..4681413; 4699996..4705441 | NA |
| 11 | Tfc | Aromatoleum aromaticum EbN1 | chromosome [NC_006513] | 238128..258460 | NA |
| 12 | Tfc | Aromatoleum aromaticum EbN1 | chromosome [NC_006513] | 1429227..1462184 | NA |
| 13 | Tfc | Azotobacter vinelandii DJ | chromosome [NC_012560] | 3686878..3703303 | NA |
| 14 | Tfc  | Bordetella petrii DSM 12804 | chromosome [NC_010170] | 4518452..4538705 | conjugation |
| 15 | Tfc | Bordetella petrii DSM 12804 | chromosome [NC_010170] | 1133464..1153678 | conjugation |
| 16 | Tfc | Bordetella petrii DSM 12804 | chromosome [NC_010170] | 1404231..1420494; 1435548..1440224 | conjugation |
| 17 | Tfc | Bordetella petrii DSM 12804 | chromosome [NC_010170] | 1530709..1556286 | conjugation |
| 18 | Tfc | Burkholderia xenovorans LB400 | chromosome 1 [NC_007951] | 3589842..3610530 | conjugation |
| 19 | Tfc | Cupriavidus metallidurans CH34 | chromosome [NC_007973] | 2545874..2573458 | conjugation |
| 20 | Tfc | Cupriavidus necator N-1 | chromosome 1 [NC_015726] | 2872138..2892595 | NA |
| 21 | Tfc | Delftia acidovorans SPH-1 | chromosome [NC_010002] | 4557694..4577946 | NA |
| 22 | Tfc | Dickeya zeae Ech1591 | chromosome [NC_012912] | 495098..518483 | NA |
| 23 | Tfc | Edwardsiella ictaluri 93-146 | chromosome [NC_012779] | 334333..360018 | NA |
| 24 | Tfc | Enterobacter cloacae subsp. cloacae ATCC 13047 | chromosome [NC_014121] | 429428..466157 | NA |
| 25 | Tfc | Erwinia billingiae Eb661 | plasmid pEB102 [NC_014304] | 36506..60777 | NA |
| 26 | Tfc | Erwinia pyrifoliae Ep1/96 | chromosome [NC_012214] | 3316315..3338386 | NA |
| 27 | Tfc | Escherichia coli ED1a | chromosome [NC_011745] | 3480094..3502786 | NA |
| 28 | Tfc | Gallibacterium anatis UMN179 | chromosome [NC_015460] | 332138..359545 | NA |
| 29 | Tfc | gamma proteobacterium HdN1 | chromosome [NC_014366] | 4239620..4260561 | NA |
| 30 | Tfc | gamma proteobacterium HdN1 | chromosome [NC_014366] | 2252349..2273290 | NA |
| 31 | Tfc | Haemophilus ducreyi 35000HP | chromosome [NC_002940] | 735343..750717 | NA |
| 32 | Tfc | Haemophilus influenzae 86-028NP | chromosome [NC_007146] | 107635..133856 | Conjugation |
| 33 | Tfc | Haemophilus influenzae plasmid ICEhin1056 (NC_011409) | plasmid ICEhin1056 [NC_011409] | 26989..48388 | Conjugation |
| 34 | Tfc | Haemophilus parainfluenzae T3T1 | chromosome [NC_015964] | 1174227..1195624 | NA |
| 35 | Tfc | Haemophilus somnus 129PT | chromosome [NC_008309] | 1973782..1996698 | NA |
| 36 | Tfc | Haemophilus somnus 2336 | chromosome [NC_010519] | 1938541..1959814 | NA |
| 37 | Tfc | Halomonas elongata DSM 2581 | chromosome [NC_014532] | 3570988..3599418 | NA |
| 38 | Tfc | Herminiimonas arsenicoxydans | chromosome [NC_009138] | 2010192..2036064 | conjugation |
| 39 | Tfc | Klebsiella pneumoniae subsp. pneumoniae HS11286 | chromosome [NC_016845] | 4515958..4544615 | conjugation |
| 40 | Tfc | Klebsiella pneumoniae subsp. pneumoniae NTUH-K2044 | chromosome [NC_012731] | 583723..619452 | NA |
| 41 | Tfc | Legionella pneumophila 2300/99 Alcoy | chromosome [NC_014125] | 1185994..1202283 | NA |
| 42 | Tfc | Legionella pneumophila str. Corby | chromosome [NC_009494] | 2809766..2826507 | NA |
| 43 | Tfc | Legionella pneumophila str. Corby | chromosome [NC_009494] | 1189397..1205746 | NA |
| 44 | Tfc | Legionella pneumophila str. Lens | chromosome [NC_006369] | 1149440..1165729 | NA |
| 45 | Tfc | Legionella pneumophila str. Paris | chromosome [NC_006368] | 1177462..1193793 | NA |
| 46 | Tfc | Legionella pneumophila str. Paris | chromosome [NC_006368] | 2727605..2744349 | NA |
| 47 | Tfc | Legionella pneumophila subsp. pneumophila str. Philadelphia 1 | chromosome [NC_002942] | 1076121..1092422 | NA |
| 48 | Tfc | Marinobacter aquaeolei VT8 | plasmid pMAQU02 [NC_008739] | 22280..44255 | NA |
| 49 | Tfc | Methylibium petroleiphilum PM1 | chromosome [NC_008825] | 2541730..2566488 | NA |
| 50 | Tfc | Methylomonas methanica MC09 | chromosome [NC_015572] | 2196236..2231613 | NA |
| 51 | Tfc | Nitrosococcus oceani ATCC 19707 | chromosome [NC_007484] | 675757..703311 | NA |
| 52 | Tfc | Nitrosomonas eutropha C91 | chromosome [NC_008344] | 72484..99537 | NA |
| 53 | Tfc | Parvibaculum lavamentivorans DS-1 | chromosome [NC_009719] | 3648888..3669087 | NA |
| 54 | Tfc | Pectobacterium atrosepticum SCRI1043 | chromosome [NC_004547] | 623308..644037 | NA |
| 55 | Tfc | Pectobacterium wasabiae WPP163 | chromosome [NC_013421] | 1758243..1780524 | NA |
| 56 | Tfc | Pectobacterium wasabiae WPP163 | chromosome [NC_013421] | 681380..703830; 718870..723604 | NA |
| 57 | Tfc | Photorhabdus luminescens subsp. laumondii TTO1 | chromosome [NC_005126] | 1227925..1264255 | NA |
| 58 | Tfc | Proteus mirabilis HI4320 | chromosome [NC_010554] | 2807168..2829916 | conjugation |
| 59 | Tfc | Pseudomonas aeruginosa LESB58 | chromosome [NC_011770] | 2842975..2870430 | conjugation |
| 60 | Tfc | Pseudomonas aeruginosa PA7 | chromosome [NC_009656] | 4627042..4651582 | NA |
| 61 | Tfc | Pseudomonas aeruginosa UCBPP-PA14 | chromosome [NC_008463] | 5308021..5345975 | conjugation |
| 62 | Tfc | Pseudomonas brassicacearum subsp. brassicacearum NFM421 | chromosome [NC_015379] | 2431509..2453395 | NA |
| 63 | Tfc | Pseudomonas fluorescens Pf0-1 | chromosome [NC_007492] | 3447766..3467131 | NA |
| 64 | Tfc | Pseudomonas fluorescens Pf-5 | chromosome [NC_004129] | 5423444..5446316 | conjugation |
| 65 | Tfc | Pseudomonas fluorescens SBW25 | chromosome [NC_012660] | 2096451..2109464; 2134143..2139511 | NA |
| 66 | Tfc | Pseudomonas putida F1 | chromosome [NC_009512] | 3314704..3338815 | NA |
| 67 | Tfc | Pseudomonas putida S16 | chromosome [NC_015733] | 2630368..2651382 | NA |
| 68 | Tfc | Pseudomonas putida W619 | chromosome [NC_010501] | 3640491..3646256; 3664833..3675699 | NA |
| 69 | Tfc | Pseudomonas stutzeri ATCC 17588 = LMG 11199 | chromosome [NC_015740] | 1255206..1289261 | NA |
| 70 | Tfc | Pseudomonas stutzeri ATCC 17588 = LMG 11199 | chromosome [NC_015740] | 2669327..2688354 | NA |
| 71 | Tfc | Pseudomonas syringae pv. syringae B728a | chromosome [NC_007005] | 1614863..1644915 | NA |
| 72 | Tfc | Pseudomonas syringae pv. tomato str. DC3000 | chromosome [NC_004578] | 916412..953524 | NA |
| 73 | Tfc | Ralstonia pickettii 12D | chromosome 1 [NC_012856] | 702265..722510 | NA |
| 74 | Tfc | Salmonella enterica subsp. arizonae serovar 62:z4,z23:-- str. RSK2980 | chromosome [NC_010067] | 3026043..3040825; 3059588..3063370 | NA |
| 75 | Tfc | Salmonella enterica subsp. enterica serovar Paratyphi B str. SPB7 | chromosome [NC_010102] | 4506036..4538966 | NA |
| 76 | Tfc | Salmonella enterica subsp. enterica serovar Paratyphi C strain RKS4594 | chromosome [NC_012125] | 4511005..4541023 | NA |
| 77 | Tfc | Salmonella enterica subsp. enterica serovar Typhi str. CT18 | chromosome [NC_003198] | 4423868..4458097 | conjugation |
| 78 | Tfc | Salmonella enterica subsp. enterica serovar Typhi str. Ty2 | chromosome [NC_004631] | 4408518..4442747 | conjugation |
| 79 | Tfc | Serratia plymuthica AS9 | chromosome [NC_015567] | 328376..351450 | NA |
| 80 | Tfc | Serratia proteamaculans 568 | chromosome [NC_009832] | 4615842..4637067 | NA |
| 81 | Tfc | Serratia proteamaculans 568 | chromosome [NC_009832] | 373757..405611 | NA |
| 82 | Tfc | Serratia proteamaculans 568 | chromosome [NC_009832] | 4513706..4518534; 4543239..4558621 | NA |
| 83 | Tfc | Serratia sp. AS12 | chromosome [NC_015566] | 328211..351285 | NA |
| 84 | Tfc | Thauera sp. MZ1T | chromosome [NC_011662] | 1032126..1064037 | NA |
| 85 | Tfc | Thioalkalivibrio sulfidophilus HL-EbGr7 | chromosome [NC_011901] | 2981086..3007621 | NA |
| 86 | Tfc | Tolumonas auensis DSM 9187 | chromosome [NC_012691] | 2654915..2676431 | conjugation |
| 87 | Tfc | Xanthomonas axonopodis pv. citri str. 306 | chromosome [NC_003919] | 2637076..2671989 | NA |
| 88 | Tfc | Xanthomonas campestris pv. campestris str. 8004 | chromosome [NC_007086] | 2439093..2459267 | conjugation |
| 89 | Tfc | Xanthomonas campestris pv. campestris str. B100 | chromosome [NC_010688] | 2834223..2854414 | NA |
| 90 | Tfc | Xanthomonas campestris pv. vesicatoria str. 85-10 | chromosome [NC_007508] | 2689317..2709471 | conjugation |
| 91 | Tfc | Xenorhabdus bovienii SS-2004 | chromosome [NC_013892] | 1460290..1464954; 1485554..1498840 | NA |
| 92 | Tfc | Xenorhabdus bovienii SS-2004 | chromosome [NC_013892] | 3298328..3312482 | NA |
| 93 | Tfc | Xenorhabdus nematophila ATCC 19061 | chromosome [NC_014228] | 3529607..3546422 | NA |
| 94 | Tfc | Xenorhabdus nematophila ATCC 19061 | chromosome [NC_014228] | 3421197..3434908; 3454602..3459276 | NA |
| 95 | Tfc | Yersinia enterocolitica subsp. enterocolitica 8081 | chromosome [NC_008800] | 3777818..3819146 | conjugation |
| 96 | Tfc | Yersinia pestis Z176003 | chromosome [NC_014029] | 358410..383368 | NA |
| 97 | Tfc | Yersinia pseudotuberculosis IP 31758 | chromosome [NC_009708] | 4172940..4212300 | conjugation |
| T4SS derived from experimental literature | |||||