┌────────────────────────── Escherichia coli TA143   
│   ┌──────────────────────────────────────────────────────────────── Escherichia coli SMS-3-5   
┤   │                                ┌─ Escherichia coli TA206   
│   │                               ┌┴── Escherichia coli 2362-75   
│   │                              ┌┴─ Escherichia coli E2348/69 (1)  
└───┤                            ┌─┴───── Escherichia coli H299   
    │                          ┌─┴┬─ Escherichia coli NC101 (1)  
    │              ┌───────────┤  └─ Escherichia coli 536 (4)  
    │              │           └┬─ Escherichia coli 83972 (3)  
    └──────────────┤            └─ Escherichia coli APEC O1 (10)  
                   │ ┌───── Escherichia coli KO11 (2)  
                   │ │  ┌─ Escherichia coli 1827-70 (14)  
                   └─┤ ┌┴── Escherichia coli O111:H- str. 11128   
                     │┌┴─ Escherichia coli O55:H7 str. CB9615   
                     └┤┌─ Escherichia coli K12 (40)  
                      └┤┌── Escherichia coli TA280   
                       ││    ┌─ Escherichia coli MS 116-1   
                       └┤  ┌─┴── Escherichia coli MS 175-1   
                        │ ┌┴── Escherichia coli 042 (1)  
                        └┬┴── Escherichia coli MS 124-1 (3)  
                         └────┬─ Escherichia coli O157:H7 (4)  
                              └┬── Escherichia coli O157:H7 str. EC4196   
                               └┬── Escherichia coli O157:H7 str. EC4501   
                                └─ Escherichia coli 1044A (15)  
  

  
Outer membrane protein Imp, required for envelope biogenesis / Organic solvent tolerance protein precursor
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