Sequence alignment between 3orc(A) and UniProt seq P03040 (RCRO_LAMBD):

P03040 (RCRO_LAMBD): Regulatory protein cro from Escherichia phage lambda
                 10        20        30        40        50             60      
         ---------+---------+---------+---------+---------+------     ---+------
UniProt: MEQRITLKDYAMRFGQTKTAKDLGVYQSAINKAIHAGRKIFLTINADGSVYAEEVK-----PFPSNKKTTA
         ........................................................XXXXX..........
PDB seq: -EQRITLKDYAMRFGQTKTAKDLGVYQSAINKAIHAGRKIFLTINADGSVYAEEVKDGEVKPFPSN-----
          --------+---------+---------+---------+---------+---------+------     
                 10        20        30        40        50        60