┌─── Escherichia coli TA271   
                                                                  ┌┴─ Escherichia coli M718   
                                                                 ┌┴─ Escherichia coli K12 (42)  
                                                ┌────────────────┴─ Escherichia coli O55:H7 str. CB9615 (1)  
┌───────────────────────────────────────────────┴───────┬─ Escherichia coli ED1a (1)  
│                                                       └┬─ Escherichia coli M718   
│                                                        └─ Escherichia coli K12 (128)  
│                                                      ┌─ Escherichia coli (1-67/70) K12 (50)  
┤                                                     ┌┴─ Escherichia coli (1-67/70) MS 182-1   
│                                                    ┌┴─ Escherichia coli (1-67/70) 042 (1)  
│                                      ┌─────────────┴─ Escherichia coli (1-67/70) H591 (2)  
│                                    ┌─┴───────── Escherichia coli (1-67/70) K12 (133)  
└────────────────────────────────────┤                             ┌─ Escherichia coli (3-66/69) K12 (122)  
                                     │                   ┌─────────┴─ Escherichia coli (3-66/69) ETEC H10407   
                                     └┬──────────────────┴──────── Escherichia coli (3-66/69) K12 (133)  
                                      └─────────┬──────────── Escherichia coli (1-67/70) K12 (132)  
                                                └───────┬─ Escherichia coli (1-70/71) E24377A (3)  
                                                        └┬─ Escherichia coli (1-70/71) K12 (37)  
                                                         └┬─ Escherichia coli (1-70/71) O26:H11 str. 11368   
                                                          └┬─ Escherichia coli (1-70/71) APEC O1 (5)  
                                                           └─ Escherichia coli (1-70/71) O55:H7 str. CB9615 (1)  
  

  
Cold shock protein CspB
 (5)
  
Cold shock protein CspI
 (4)
  
Cold shock protein CspF
 (4)
  
Cold shock protein CspH
 (3)
  
Cold shock protein CspC
 (2)
  
Cold shock protein CspE
 (1)
  
Cold shock protein CspG
 (1)
  
Cold shock protein CspA
 (1)