Sequence alignment between 1r9c(B) and UniProt seq Q98GG1 (FOSX_RHILO):

Q98GG1 (FOSX_RHILO): Fosfomycin resistance protein FosX from Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099)
                 10        20        30        40        50        60        70        80        90       100       110       120       130         
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
UniProt: MIEGLSHMTFIVRDLERMTRILEGVFDAREVYASDTEQFSLSREKFFLIGDIWVAIMQGEKLAERSYNHIAFKIDDADFDRYAERVGKLGLDMRPPRPRVEGEGRSIYFYDDDNHMFELHTGTLTERLARKAKGLEAAQ
         ..................................XXXXXXXX.........................................................XXX.....................................
PDB seq: MIEGLSHMTFIVRDLERMTRILEGVFDAREVYAS--------REKFFLIGDIWVAIMQGEKLAERSYNHIAFKIDDADFDRYAERVGKLGLDMRPPRPR---EGRSIYFYDDDNHMFELHTGTLTERLA----------
         ---------+---------+---------+----        -------+---------+---------+---------+---------+---------   -------+---------+---------          
                 10        20        30                  50        60        70        80        90                 110       120