Sequence alignment between 4jv6(B) and UniProt seq O43924 (PDE6D_HUMAN):

O43924 (PDE6D_HUMAN): Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MSAKDERAREILRGFKLNWMNLRDAETGKILWQGTEDLSVPGVEHEARVPKKILKCKAVSRELNFSSTEQMEKFRLEQKVYFKGQCLEEWFFEFGFVIPNSTNTWQSLIEAAPESQMMPASVLTGNVIIETKFFDDDLLVSTSRVRLFYV
         .........................X......................................................................................XX....................................
PDB seq: -SAKDERAREILRGFKLNWMNLRDA-TGKILWQGTEDLSVPGVEHEARVPKKILKCKAVSRELNFSSTEQMEKFRLEQKVYFKGQCLEEWFFEFGFVIPNSTNTWQSLIEAA--SQMMPASVLTGNVIIETKFFDDDLLVSTSRVRLFYV
          --------+---------+----- ---+---------+---------+---------+---------+---------+---------+---------+---------+--  -----+---------+---------+---------+
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150