Sequence alignment between 3jb9(E) and UniProt seq Q10163 (RSMB_SCHPO):

Q10163 (RSMB_SCHPO): Small nuclear ribonucleoprotein-associated protein B from Schizosaccharomyces pombe (strain 972 / ATCC 24843)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MGTTKMVSLLNHSLNVTTKDGRTFVGQLLAFDGFMNLVLSDCQEYRHIKKQNVPSNSVYEEKRMLGLVILRGEFIVSLSVQGPPPMDPSMRGSLLSGPGVARPAGRGIPLGQAPVGLAGPVRGVGYTAPPPPAGFGRGAPPPGFRPV
         ...............................................XXXXXXXXXXXX...........................XXXXXXX......................................................
PDB seq: -GTTKMVSLLNHSLNVTTKDGRTFVGQLLAFDGFMNLVLSDCQEYRH------------EEKRMLGLVILRGEFIVSLSVQGPPPM-------LLSGPGVARPAGRGIPLGQAPVGLA-----------------------------
          --------+---------+---------+---------+-------            +---------+---------+------       ------+---------+--------                             
                 10        20        30        40                  60        70        80                 100       110