Sequence alignment between 4xjc(A) and UniProt seq Q9KFV3 (DCDB_BACHD):

Q9KFV3 (DCDB_BACHD): dCTP deaminase, dUMP-forming from Halalkalibacterium halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MILSGKTISEKLTEKELEITPLTEEQIQPASVDLRLGPHFVTIDDSKEAVISFERPIRYREWTTSDETIVLPPHTFLLATTMETVKLPNHLTAFVEGRSSVGRLGLFIQNAGWVDPGFNGQITLELFNANRLPIELPIGRRICQLVFAEVTGEVAPYQGKYLFQKGATMSEIYKDAF
PDB seq: MILSGKTISEKLTEKELEITPLTEEQIQPASVDLRLGPHFVTIDDSKEAVISFERPIRYREWTTSDETIVLPPHTFLLATTMETVKLPNHLTAFVEGRSSVGRLGLFIQNAGWVDPGFNGQITLELFNANRLPIELPIGRRICQLVFAEVTGEVAPYQGKYLFQKGATMSEIYKDAF
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170