┌─ Escherichia coli (8-134/138) MS 115-1   
                                                                        ┌┴─ Escherichia coli (8-126/138) 53638 (2)  
                                                                       ┌┴┬── Escherichia coli (8-126/138) FVEC1302 (3)  
                                                                      ┌┤ └─ Escherichia coli (8-126/138) 1044A (24)  
                                                                      │└┬─ Escherichia coli (8-126/138) K12 (52)  
                                                                     ┌┤ └─ Escherichia coli (8-126/138) B171 (12)  
                                                                     │└┬─ Escherichia coli (8-126/138) KO11 (2)  
                                                                    ┌┤ └─ Escherichia coli (8-125/137) MS 145-7   
                                                                   ┌┤└─ Escherichia coli (8-126/138) M605   
                                                                  ┌┤└─ Escherichia coli (8-126/138) 536 (4)  
                                                                 ┌┤└─ Escherichia coli (8-126/138) 2362-75 (12)  
┌────────────────────────────────────────────────────────────────┤└─ Escherichia coli (8-126/138) WV_060327   
┤                                                                └─ Escherichia coli (8-126/138) APEC O1 (6)  
│                                                               ┌─ Escherichia coli IAI39 (1)  
└───────────────────────────────────────────────────────────────┤┌─ Escherichia coli SMS-3-5   
                                                                ││  ┌─ Escherichia coli TA143   
                                                                └┤ ┌┴─ Escherichia coli 042 (1)  
                                                                 │┌┴─ Escherichia coli B354 (7)  
                                                                 ││  ┌─ Escherichia coli 536 (22)  
                                                                 └┤ ┌┴─ Escherichia coli ED1a (1)  
                                                                  │┌┴┬─ Escherichia coli WV_060327   
                                                                  ││ └─ Escherichia coli 2362-75 (2)  
                                                                  └┤┌─ Escherichia coli H299   
                                                                   ││  ┌─ fig|1040638.4.peg.2708 O104:H4 str. LB226692 (3)  
                                                                   └┤ ┌┴─ Escherichia coli B088 (8)  
                                                                    │┌┴─ Escherichia coli B7A (11)  
                                                                    └┤┌── Escherichia coli B185   
                                                                     └┤ ┌─ Escherichia coli 1125A (1)  
                                                                      └┬┴─ Escherichia coli (30-159/159) O157:H7 str. EC4024   
                                                                       └┬─ Escherichia coli K12 (47)  
                                                                        └┬─ Escherichia coli M718   
                                                                         └┬─ Escherichia coli E110019 (3)  
                                                                          └─ Escherichia coli EC4100B (4)  
  
Cysteine desulfurase CsdA-CsdE, sulfur acceptor protein CsdE (19)
Sulfur acceptor protein SufE for iron-sulfur cluster assembly (13)
Others (1)