Sequence alignment between 5c4x(H) and UniProt seq P20436 (RPAB3_YEAST):

P20436 (RPAB3_YEAST): DNA-directed RNA polymerases I, II, and III subunit RPABC3 from Saccharomyces cerevisiae (strain ATCC 204508 / S288c) 
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140      
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------
UniProt: MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIASSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGGLLMRLEGNYRNLNNLKQENAYLLIRR
         ................................................................XXXXXXXXXX.............................................................X..........
PDB seq: MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIASSLN----------ATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGGLLMRLEGNYRNLNNL-QENAYLLIRR
         ---------+---------+---------+---------+---------+---------+----          -----+---------+---------+---------+---------+---------+----- ---+------
                 10        20        30        40        50        60                  80        90       100       110       120       130       140