┌─ Escherichia coli (58-431/700) 1125A (1)  
                                                                ┌┴─ Escherichia coli (58-431/700) O55:H7 str. CB9615   
                                                               ┌┴─ Escherichia coli (58-431/700) 1044A (18)  
                                                              ┌┴─ Escherichia coli (58-431/685) 1827-70 (12)  
                                                             ┌┴┬─ Escherichia coli (58-431/700) F11 (2)  
                                                            ┌┤ └─ Escherichia coli (58-431/700) MS 124-1   
                                                      ┌─────┤└─ Escherichia coli (58-431/700) B7A (8)  
                                                     ┌┤     └─ Escherichia coli (58-431/700) APEC O1 (2)  
                                                     │└─────────┬─ Escherichia coli (62-435/707) B088   
                                                     │          └┬─ Escherichia coli (62-435/707) 1044A (40)  
┌────────────────────────────────────────────────────┤           └┬─ Escherichia coli (62-435/707) O157:H7 str. EC4206   
│                                                    │            └─ Escherichia coli (62-435/707) 55989 (1)  
│                                                    │ ┌─ Escherichia coli (1-374/643) 2362-75   
│                                                    └─┤  ┌─ Escherichia coli (1-374/643) EC4100B (1)  
│                                                      │ ┌┴─ Escherichia coli (1-363/380) MS 107-1   
│                                                      └┬┴─ Escherichia coli (1-374/643) O83:H1 str. NRG 857C   
│                                                       └┬─ Escherichia coli (57-430/699) B171 (1)  
│                                                        └┬─ Escherichia coli (57-430/557) TA280   
│                                                         └─ Escherichia coli (57-430/699) E110019 (3)  
┤                                                            ┌── Escherichia coli (82-460/707) E22 (1)  
│            ┌───────────────────────────────────────────────┴─ Escherichia coli (82-460/708) HS (1)  
│            │                    ┌─────────────────────────────────── Escherichia coli (67-433/654) E24377A (2)  
│            │                    │                                       ┌─ Escherichia coli (1-352/578) SE11   
│            │                    │                                      ┌┴─ Escherichia coli (1-355/469) E24377A (3)  
│            │                    │                                     ┌┴┬─ Escherichia coli (61-415/641) E110019 (1)  
│            │                    │                                    ┌┤ └─ Escherichia coli (61-415/641) O26:H11 str. 11368 (2)  
│            │                    │                                    │└┬─ Escherichia coli (61-415/641) M605   
│            │                    │                                   ┌┤ └─ Escherichia coli (61-415/641) 101-1 (10)  
└────────────┤                    │                                   │└┬─ Escherichia coli (1-352/578) KO11 (1)  
             │                    │                                  ┌┤ └─ Escherichia coli (61-415/641) IAI1 (2)  
             │                    │                                 ┌┤└─ fig|1040638.4.peg.4848 O104:H4 str. LB226692  [2] 
             │                    │                                 │└┬─ Escherichia coli (61-415/641) CFT073  [2] 
             │                    │                                ┌┤ └─ Escherichia coli (1-352/578) UMN026   
             │                    │                                ││ ┌─ Escherichia coli (1-355/581) 1827-70 (14)  
             │                    │                                │└┬┴─ Escherichia coli (61-415/641) WV_060327   
             │                    │                               ┌┤ └┬─ Escherichia coli (1-352/578) ATCC 8739 (6)  
             └────────────────────┤                               ││  └┬─ Escherichia coli (1-352/578) O83:H1 str. NRG 857C   
                                  │                               ││   └─ Escherichia coli (61-415/641) NC101   
                                  │                               │└┬─ Escherichia coli (61-415/641) 536 (5)  
                                  │                              ┌┤ └┬─ Escherichia coli (61-415/641) IHE3034   
                                  │                              ││  └┬─ Escherichia coli (61-415/641) M718   
                                  │                              ││   └┬─ Escherichia coli (1-352/578) O55:H7 str. CB9615   
                                  │                              ││    └─ Escherichia coli (61-415/641) 042 (1)  
                                  │                             ┌┤└┬─ Escherichia coli (61-415/641) 1125A (2)  
                                  │                             ││ └┬─ Escherichia coli (1-352/578) O157:H7 str. EC4076 (1)  
                                  │                            ┌┤│  └─ Escherichia coli (1-355/581) O157:H7 str. EC4024 (7)  
                                  │                            ││└─ Escherichia coli (1-355/581) 1212A (5)  
                                  │                           ┌┤└┬─ Escherichia coli (1-352/578) 1125A (9)  
                                  │                           ││ └─ Escherichia coli (1-355/581) 1044A (11)  
                                  │                ┌──────────┤└─ Escherichia coli (1-355/581) O157:H7 EDL933   
                                  │                │          └── Escherichia coli (61-415/640) MS 115-1 (2)  
                                  │                │      ┌─ Escherichia coli (61-415/642) 55989   
                                  └────────────────┤     ┌┴─ Escherichia coli (1-355/582) MS 145-7   
                                                   │    ┌┴─ Escherichia coli (69-423/650) E2348/69   
                                                   │    │  ┌─ Escherichia coli (61-415/642) APEC O1 (1)  
                                                   │    │ ┌┴─ Escherichia coli (61-415/642) UTI89   
                                                   └────┤┌┴┬─ Escherichia coli (1-352/579) MS 119-7 (1)  
                                                        ││ └─ Escherichia coli (69-423/650) 042 (3)  
                                                        ││ ┌─ Escherichia coli (34-388/615) TA280   
                                                        └┤┌┴─ Escherichia coli (61-415/642) O55:H7 str. CB9615  [2] 
                                                         ││       ┌─ Escherichia coli (61-415/638) E22 (1)  
                                                         ││      ┌┴─ Escherichia coli (61-415/638) B185   
                                                         └┤   ┌──┴─ Escherichia coli (61-415/638) TA280   
                                                          │  ┌┴─ Escherichia coli (1-352/578) SE11   
                                                          │ ┌┴─ Escherichia coli (61-415/460) 53638 (1) [2] 
                                                          │┌┴─ Escherichia coli (68-422/648) M605   
                                                          └┤┌─ Escherichia coli (34-388/615) O55:H7 str. CB9615   
                                                           └┤┌─ Escherichia coli (61-415/642) TA143   
                                                            └┤ ┌─ Escherichia coli (61-415/642) E2348/69   
                                                             │┌┴─ Escherichia coli (61-415/642) 2362-75   
                                                             └┤┌─ Escherichia coli (61-415/642) O103:H2 str. 12009 (1)  
                                                              ││  ┌─ Escherichia coli (34-388/615) O26:H11 str. 11368   
                                                              └┤ ┌┴─ Escherichia coli (61-415/642) E110019 (2)  
                                                               │┌┴─ Escherichia coli (61-415/642) B171 (2)  
                                                               ││   ┌─ Escherichia coli (34-388/615) O111:H- str. 11128   
                                                               └┤  ┌┴─ Escherichia coli (61-415/569) O26:H11 str. 11368   
                                                                │ ┌┴─ Escherichia coli (61-415/642) 1044A (14)  
                                                                │┌┴─ Escherichia coli (61-415/642) B171 (1)  
                                                                └┤┌─ Escherichia coli (61-415/642) E22 (1)  
                                                                 └┤┌─ Escherichia coli (61-415/642) E22 (1)  
                                                                  └┤┌─ Escherichia coli (34-388/615) O103:H2 str. 12009   
                                                                   └┤ ┌─ Escherichia coli (61-415/642) CFT073 (1)  
                                                                    └┬┴─ Escherichia coli (34-388/615) FVEC1302 (4)  
                                                                     └┬─ Escherichia coli (61-415/642) B171 (1)  
                                                                      └┬─ Escherichia coli (34-388/615) ED1a (1)  
                                                                       └─ Escherichia coli (61-415/642) IAI39 (1)  
  
Phage terminase, large subunit (52)
Terminase large subunit (16)
putative terminase large subunit (8)
Putative DNA packaging protein of prophage CP-933U (4)
COG5525: Bacteriophage tail assembly protein (3)
putative enzyme; DNA packaging, phage assembly Phage or Prophage Related (2)
Others (1)