Sequence alignment between 3aiz(C) and UniProt seq Q973F5 (PCNA3_SULTO):

Q973F5 (PCNA3_SULTO): DNA polymerase sliding clamp 3 from Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240      
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------
UniProt: MRVKVIDADAFSYIFRTLEEFIDEITLDFTSDGLKIRGIDPSRVTFIDILIPAGYFEEYNVEKEEKVGVKLEDFTDVLKTVTKNDSLYLETDENQNIKVTLDGVYERTFTFPSIVASEIETPNLNLEFPFKAKALTVTFTDIIDEIEDIGGDSITFKAEGGKLYLSANSDMGSSTIELSTENGGLLESEGGDAESVYGLEYVVNTSKMRKPSDTVEIAFGSQIPLKLRYNLPQGGYADFYIAPRAE
PDB seq: MRVKVIDADAFSYIFRTLEEFIDEITLDFTSDGLKIRGIDPSRVTFIDILIPAGYFEEYNVEKEEKVGVKLEDFTDVLKTVTKNDSLYLETDENQNIKVTLDGVYERTFTFPSIVASEIETPNLNLEFPFKAKALTVTFTDIIDEIEDIGGDSITFKAEGGKLYLSANSDMGSSTIELSTENGGLLESEGGDAESVYGLEYVVNTSKMRKPSDTVEIAFGSQIPLKLRYNLPQGGYADFYIAPRAE
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240