Table 1.

The toxins of the RTX exoprotein family

BacteriumToxinSize (kDa)HlyA identity (%)
E. coli HlyA110
EhxA10761
EaggAa 120b ?
P. vulgaris PvxA110b 73c
M. morganii MmxA110b 60c
A. pleuropneumoniae ApxIA11059
ApxIIA10249
ApxIIIA11356
A. actinomycetemcomitans AaltA11454
A. suis AshA10249
P. haemolytica LktA10249
P. haemolytica-likePllktA10248
B. pertussis CyaA17831d
M. bovis MbxAa 110b ?
  • a No gene yet identified.

  • b Sodium dodecyl sulfate-polyacrylamide gel electrophoresis.

  • c Partial sequence comparison.

  • d Comparison with N-terminal adenylate cyclase-deleted CyaA.