Sequence alignment between 2q9d(A) and UniProt seq P00720 (ENLYS_BPT4):

P00720 (ENLYS_BPT4): Endolysin from Enterobacteria phage T4
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160    
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
UniProt: MNIFEMLRIDERLRLKIYKDTEGYYTIGIGHLLTKSPSLNAAKSELDKAIGRNCNGVITKDEAEKLFNQDVDAAVRGILRNAKLKPVYDSLDAVRRCALINMVFQMGETGVAGFTNSLRMLQQKRWDEAAVNLAKSIWYNQTPNRAKRVITTFRTGTWDAYKNL
         ...........X............................X............X..........................................X.......................................X...........................
PDB seq: MNIFEMLRIDEGLRLKIYKDTEGYYTIGIGHLLTKSPSLNCAKSELDKAIGRNTNGVITKDEAEKLFNQDVDAAVRGILRNAKLKPVYDSLDAVRRAALINMVFQMGETGVAGFTNSLRMLQQKRWDEAAVNLAKSRWYNQTPNRAKRVITTFRTGTWDAYKNL
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160