Sequence alignment between 4zir(A) and UniProt seq Q9WY65 (ECFA2_THEMA):

Q9WY65 (ECFA2_THEMA): Energy-coupling factor transporter ATP-binding protein EcfA2 from Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)
                 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      
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------
UniProt: MRIEVVNVSHIFHRGTPLEKKALENVSLVINEGECLLVAGNTGSGKSTLLQIVAGLIEPTSGDVLYDGERKKGYEIRRNIGIAFQYPEDQFFAERVFDEVAFAVKNFYPDRDPVPLVKKAMEFVGLDFDSFKDRVPFFLSGGEKRRVAIASVIVHEPDILILDEPLVGLDREGKTDLLRIVEKWKTLGKTVILISHDIETVINHVDRVVVLEKGKKVFDGTRMEFLEKYDPRFFTSKMLVMRRLVLKGEDPFSMSDDELLERVCNS
         X....................................................................XX...................................................................................................................................................................................................
PDB seq: GRIEVVNVSHIFHRGTPLEKKALENVSLVINEGECLLVAGNTGSGKSTLLQIVAGLIEPTSGDVLYDGE--KGYEIRRNIGIAFQYPEDQFFAERVFDEVAFAVKNFYPDRDPVPLVKKAMEFVGLDFDSFKDRVPFFLSGGEKRRVAIASVIVHEPDILILDEPLVGLDREGKTDLLRIVEKWKTLGKTVILISHDIETVINHVDRVVVLEKGKKVFDGTRMEFLEKYDPRFFTSKMLVMRRLVLKGEDPFSMSDDELLERVCN-
         ---------+---------+---------+---------+---------+---------+---------  --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----- 
                 10        20        30        40        50        60                  80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260