┌─ Escherichia coli K12 (131)  
                                                  ┌┴─ Escherichia coli 1125A   
┌─────────────────────────────────────────────────┴─ Escherichia coli ETEC H10407   
┤                       ┌─── Escherichia coli (5-67/69) K12 (133)  
└───────────────────────┤               ┌─ Escherichia coli (5-63/69) K12 (122)  
                        │     ┌─────────┴── Escherichia coli (5-63/69) ETEC H10407   
                        └─────┤                                   ┌── Escherichia coli (7-68/70) K12 (53)  
                              │                   ┌───────────────┴─ Escherichia coli (7-68/70) H591 (2)  
                              └─────────────┬─────┴────────── Escherichia coli (7-68/70) K12 (133)  
                                            └──────────┬──────── Escherichia coli (7-64/70) K12 (132)  
                                                       └─────────┬── Escherichia coli (7-68/71) E24377A (3)  
                                                                 └┬─ Escherichia coli (7-68/71) K12 (37)  
                                                                  └┬── Escherichia coli (7-68/71) O26:H11 str. 11368   
                                                                   └─┬── Escherichia coli (7-68/71) APEC O1 (5)  
                                                                     └─ Escherichia coli (7-68/71) O55:H7 str. CB9615 (1)  
  

  
Cold shock protein CspB
 (5)
  
Cold shock protein CspD
 (3)
  
Cold shock protein CspI
 (2)
  
Cold shock protein CspC
 (2)
  
Cold shock protein CspG
 (1)
  
Cold shock protein CspA
 (1)
  
Cold shock protein CspE
 (1)