Sequence alignment between 4xxt(A) and UniProt seq Q97I32 (Q97I32_CLOAB):

Q97I32 (Q97I32_CLOAB): Fusion of predicted Zn-dependent amidase/peptidase (Cell wall hydrolase/DD-carboxypeptidase family) and uncharacterized domain of ErfK family peptodoglycan-binding domain from Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / IAM 19013 / LMG 5710 / NBRC 13948 / NRRL B-527 / VKM B-1787 / 2291 / W) 
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280 
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: MFKQKKIIFIAIIVIFIFSGCSSLQDKSKNQVKSKNLTSSTKKKVKKAKEPPKPKVFKLGSSGSDVKSIQDKLNNYGYAITADGKFGPSTDWAVRDFQYKHNIAMDGSVSDQTMNLLNQTPTDATRVNSVIQPDPNPDVQSLKAAAENLANSNDTPTYTKFFIITSLKEQRVYVFNGDPHNWKLINTFQCTSGASDTPTITGRFYVQGKGLAFKTSNDVICKYYTQIQGNYLFHSILFDKNGNVVDGTLGASLSHGCIRLAVQNAKYIYDTLPMGTGIWIY
         .....................................................................................................................................................................................................................XXXX.....................XXXX.......................................
PDB seq: ----------------------------------------------------KPKVFKLGSSGSDVKSIQDKLNNYGYAITADGKFGPSTDWAVRDFQYKHNIAMDGSVSDQTMNLLNQTPTDATRVNSVIQPDPNPDVQSLKAAAENLANSNDTPTYTKFFIITSLKEQRVYVFNGDPHNWKLINTFQCTSGASDTPTITGRFYVQGKGLAF----DVICKYYTQIQGNYLFHSILF----NVVDGTLGASLSHGCIRLAVQNAKYIYDTLPMGTGIWIY
                                                             -------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---    --+---------+--------    -------+---------+---------+---------+-
                                                                   60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230                 250       260       270       280