Sequence alignment between 4zux(a) and UniProt seq Q6WNK7 (SUS1_YEAST):

Q6WNK7 (SUS1_YEAST): Transcription and mRNA export factor SUS1 from Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
                 10        20        30        40        50        60        70        80        90      
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+------
UniProt: MTMDTAQLKSQIQQYLVESGNYELISNELKARLLQEGWVDKVKDLTKSEMNINESTNFTQILSTVEPKALEMVSDSTRETVLKQIREFLEEIVDTQ
         ...................X............................................................................
PDB seq: ----TAQLKSQIQQYLVES-NYELISNELKARLLQEGWVDKVKDLTKSEMNINESTNFTQILSTVEPKALEMVSDSTRETVLKQIREFLEEIVDT-
             -----+--------- ---------+---------+---------+---------+---------+---------+---------+----- 
                 10                  30        40        50        60        70        80        90