┌─────────────────── Escherichia coli SMS-3-5   
                                  ┌─────┴──────────────── Escherichia coli IAI39 (1)  
                           ┌──────┴────────────────────── Escherichia coli MS 21-1   
                          ┌┴─────┬────── Escherichia coli FVEC1302 (3)  
                    ┌─────┤      └─────────── Escherichia coli MS 69-1   
                    │     └─────┬──────────── Escherichia coli TA143   
   ┌────────────────┤           └┬────── Escherichia coli 042 (1)  
   │                │            └─ Escherichia coli B354   
   │                └──────────── Escherichia coli TA280   
┌──┤       ┌─ Escherichia coli MS 182-1 (5)  
│  │      ┌┴────── Escherichia coli KO11   
│  └┬─────┴────────────────── Escherichia coli E22 (1)  
│   └─────┬────────────────── Escherichia coli B088   
┤         └┬────── Escherichia coli H591 (2)  
│          └─ fig|1040638.4.peg.2898 O104:H4 str. LB226692 (4)  
│  ┌──────────── Escherichia coli IAI1 (1)  
│  │                 ┌─ Escherichia coli H736 (3)  
└──┤     ┌───────────┴────── Escherichia coli K12 (7)  
   │     │             ┌────── Escherichia coli O55:H7 str. CB9615   
   └─────┤            ┌┴─ Escherichia coli 1044A (15)  
         │      ┌─────┴┬────── Escherichia coli O157:H7 str. EC4042 (6)  
         │     ┌┤      └─ Escherichia coli O157:H7 EDL933  [2] 
         └─────┤└─ Escherichia coli M718   
               │     ┌─ Escherichia coli B185   
               └─────┤                 ┌──────────── Escherichia coli ATCC 8739 (1)  
                     └───────────┬─────┴────────────────────────────── Escherichia coli MS 115-1   
                                 └─────┬────── Escherichia coli B str. REL606 (2)  
                                       └─ Escherichia coli 101-1 (1)  
  

  
Hydrogenase-4 component B (EC 1.-.-.-) / Formate hydrogenlyase subunit 3
 (27)
  
 Others 
(1)