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Table 3 Distribution of Streptomyces transporters in each TC class and subclass

From: Genomic data mining reveals a rich repertoire of transport proteins in Streptomyces

Class Subclass SACTE SAV SBI SCAB SCAT SCO SFLA SGR SHJG STRVI SVEN
1: Channels/Proes 22 31 29 34 22 29 26 28 26 31 30
  1.A: α-Type Channels 18 24 20 25 15 22 21 20 21 24 21
  1.B: β-Barrel Porins 3 6 7 8 6 6 4 5 4 6 6
  1.C: Pore-Forming Toxins (Proteins and Peptides) 1 1 1 1 1 1 1 3 1 1 3
  1.I: Membrane-bounded channels 0 0 1 0 0 0 0 0 0 0 0
2: Electrochemical Potential-driven Transporters 212 266 330 251 239 274 217 242 305 271 269
  2.A: Porters (uniporters, symporters, antiporters) 212 266 328 251 239 274 217 242 305 271 269
  2.C: Ion-gradient-driven energizers 0 0 2 0 0 0 0 0 0 0 0
3: Primary Active Transporters 500 544 705 553 365 552 498 555 489 528 494
  3.A: P-P-bond-hydrolysis-driven transporters 455 492 656 505 304 497 451 508 433 476 449
  3.B: Decarboxylation-driven transporters 6 6 5 6 10 7 6 6 6 4 6
  3.D: Oxidoreduction-driven transporters 39 46 43 42 51 48 41 41 50 47 39
  3.E: Light absorption-driven transporters 0 0 1 0 0 0 0 0 0 1 0
4: Group Translocators 27 46 62 54 35 30 36 40 46 37 43
  4.A: Phosphotransfer-driven group translocators 5 7 4 5 2 8 8 6 5 7 6
  4.B: Nicotinamide ribonucleoside uptake transporters 1 1 0 1 1 1 3 3 1 0 3
  4.C: Acyl CoA ligase-coupled transporters 21 38 58 48 32 21 25 31 40 30 34
5: Transmembrane Electron Carriers 12 13 21 19 18 26 15 13 20 16 16
  5.A: Transmembrane 2-electron transfer carriers 12 12 21 18 17 26 14 13 19 15 16
  5.B: Transmembrane 1-electron transfer carriers 0 1 0 1 1 0 1 0 1 1 0
8: Accessory Factors Involved in Transport 4 4 5 6 5 5 5 6 6 4 4
  8.A: Auxiliary transport proteins 4 4 5 6 5 5 5 6 6 4 4
9: Incompletely Characterized Transport Systems 60 63 74 67 75 67 68 66 63 69 55
  9.A: Recognized transporters of unknown biochemical mechanism 27 25 44 27 33 31 32 35 27 33 25
  9.B: Putative transport proteins 33 38 30 40 42 36 35 31 36 36 30
  9.C: Functionally characterized transporters lacking identified sequences 0 0 0 0 0 0 1 0 0 0 0
N/A   32 22 32 37 2 7 23 25 44 33 24
Total   869 989 1258 1021 761 990 888 975 999 989 935