Sequence alignment between 5gai(K) and UniProt seq P26746 (EXLYS_BPP22):

P26746 (EXLYS_BPP22): Peptidoglycan hydrolase gp4 from Salmonella phage P22
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160      
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------
UniProt: MQIKTKGDLVRAALRKLGVASDATLTDVEPQSMQDAVDDLEAMMAEWYQDGKGIITGYVFSDDENPPAEGDDHGLRSSAVSAVFHNLACRIAPDYALEATAKIIATAKYGKELLYKQTAISRAKRAPYPSRMPTGSGNSFANLNEWHYFPGEQNADSTTPHDEGNG
         ............................................................................................................................................X.........................
PDB seq: ----TKGDLVRAALRKLGVASDATLTDVEPQSMQDAVDDLEAMMAEWYQDGKGIITGYVFSDDENPPAEGDDHGLRSSAVSAVFHNLACRIAPDYALEATAKIIATAKYGKELLYKQTAISRAKRAPYPSRMPTGSGNSFPNLNEWHYFP----------------
             ------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------                
                  20        30        40        50        60        70        80        90       100       110       120       130       140       150