Sequence alignment between 4z7r(A) and UniProt seq Q49149 (PQQB_METEA):

Q49149 (PQQB_METEA): Coenzyme PQQ synthesis protein B from Methylorubrum extorquens (strain ATCC 14718 / DSM 1338 / JCM 2805 / NCIMB 9133 / AM1)
                 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       290         
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
UniProt: MHVVILGSAAGGGVPQWNCRCSICSLAWAGDSRVRPRTQSSIAVSPDGERWLLLNASPDIRQQIQANPQMHPREGLRHSPIHAVLLTNGDVDHVAGLLTLREGQPFTLYATPGILASVSDNRVFDVMAADVVKRQTIALNETFEPVPGLSVTLFSVPGKVPLWLEDASMEIGAETETTVGTMIEAGGKRLAYIPGCARVTEDLKARIAGADALLFDGTVLEDDDMIRAGVGTKTGWRMGHIQMNGETGSIASLADIEIGRRVFVHINNTNPVLIEDSYERASVEARGWTVAHDGLTLDL
PDB seq: MHVVILGSAAGGGVPQWNCRCSICSLAWAGDSRVRPRTQSSIAVSPDGERWLLLNASPDIRQQIQANPQMHPREGLRHSPIHAVLLTNGDVDHVAGLLTLREGQPFTLYATPGILASVSDNRVFDVMAADVVKRQTIALNETFEPVPGLSVTLFSVPGKVPLWLEDASMEIGAETETTVGTMIEAGGKRLAYIPGCARVTEDLKARIAGADALLFDGTVLEDDDMIRAGVGTKTGWRMGHIQMNGETGSIASLADIEIGRRVFVHINNTNPVLIEDSYERASVEARGWTVAHDGLTLDL
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
                 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       290