┌─ Escherichia coli (796-1377/1377) APEC O1 (2)  
   ┌───────────────────────────────────────────────────────────────┴─ Escherichia coli (795-1376/1376) F11 (5)  
┌──┴────────────────────────────┬─ Escherichia coli (795-1372/1372) 042 (7)  
│                               └─ Escherichia coli (794-1371/1371) ABU 83972 (7)  
┤        ┌─────────────────────────────────── Escherichia coli (607-1236/1236) ED1a (1) [2] 
│        │                                  ┌─ Escherichia coli (713-1300/1300) O157:H7 str. EC869 (23)  
│        │                      ┌───────────┴─ Escherichia coli (713-1300/1300) 1125A   
└────────┤             ┌────────┴──────────┬─ Escherichia coli (748-1329/1329) H299   
         │        ┌────┤                   └───── Escherichia coli (748-1329/1329) O103:H2 str. 12009   
         │        │    └────────────────────────────── Escherichia coli (681-1263/1263) O111:H- str. 11128   
         └────────┤                              ┌─ fig|1040638.4.peg.826 O104:H4 str. LB226692   
                  │                             ┌┴─ Escherichia coli (694-1285/1285) 55989 (1)  
                  │   ┌─────────────────────────┴─ Escherichia coli ED1a   
                  └───┤         ┌────────────── Escherichia coli (712-1299/1299) 042 (1)  
                      └─────────┤                ┌─ Escherichia coli (710-1295/1295) MS 69-1   
                                └───────────────┬┴─ Escherichia coli (710-1295/1295) CFT073 (5)  
                                                └┬─ Escherichia coli (710-1295/1295) 83972 (2)  
                                                 └┬─ Escherichia coli (710-1295/1295) MS 21-1   
                                                  └─ Escherichia coli (710-1295/1295) MS 196-1   
  

  
Per-activated serine protease autotransporter enterotoxin EspC
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