┌─ Escherichia coli (49-85/407) K12 (133)  
┬────────────────────────────────────────────────────────┴─────────── Escherichia coli (49-85/407) 042 (1)  
└──────────────────────────────────────────────────┬─ Escherichia coli (1-24/361) ATCC 8739   
                                                   └┬─ Escherichia coli (55-93/430) ATCC 8739 (2)  
                                                    └──────────┬─ fig|1040638.4.peg.2099 O104:H4 str. LB226692   
                                                               └─ Escherichia coli (55-93/430) 55989 (4)  
  
Cobalt/zinc/cadmium efflux RND transporter, membrane fusion protein, CzcB family (5)
Others (1)