Sequence alignment between 5zkp(A) and UniProt seq P25105 (PTAFR_HUMAN):

P25105 (PTAFR_HUMAN): Platelet-activating factor receptor from Homo sapiens
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         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------                                                                       --                                   -+---                                  ------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
UniProt: MEPHDSSHMDSEFRYTLFPIVYSIIFVLGVIANGYVLWVFARLYPCKKFNEIKIFMVNLTMADMLFLITLPLWIVYYQNQGNWILPKFLCNVAGCLFFINTYCSVAFLGVITYNRFQAVTRPIKTAQANTRKRGISLSLVIWVAIVGAASYFLILDSTNTVPDSAGSGNVTRCFEHYEKGSVPVLIIHIFIVFSFFLVFLIILFCNLVIIRTLLMQ-----------------------------------------------------------------------PV-----------------------------------QQQRN----------------------------------AEVKRRALWMVCTVLAVFIICFVPHHVVQLPWTLAELGFQDSKFHQAINDAHQVTLCLLSTNCVLDPVIYCFLTKKFRKHLTEKFYSMRSSRKCSRATTDTVTEVVVPFNQIPGNSLKN
         ...................................................................................................................X.......XXXXXXXXXXXXXX...............................X...............................................XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX......X...X......................................................X.....................................................
PDB seq: -----SSHMDSEFRYTLFPIVYSIIFVLGVIANGYVLWVFARLYPCKKFNEIKIFMVNLTMADMLFLITLPLWIVYYQNQGNWILPKFLCNVAGCLFFINTYCSVAFLGVITYNRYQAVTRPI--------------SLVIWVAIVGAASYFLILDSTNTVPDSAGSGDVTRCFEHYEKGSVPVLIIHIFIVFSFFLVFLIILFCNLVIIRTLLMQAKALIVYGSTTGNTEYTAETIARELADAGYEVDSRDAASVEAGGLFEGFDLVLLGCSTWGDDSIELQDDFIPLFDSLEETGAQGRKVACFGCGDSSWEYFCGAVDAIEEKLKNLGAEIVQDGLRIDGDPRAARDDIVGWAHDVRGAIAEVKRRDLWMACTVLAVFIICFVPHHVVQLPWTLAELGFQDSKFHQAINDAHQVTLCLLSTNCVLNPVIYCFLTKKFRKHLTEKFYSMRSSR---------------------------
              ----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---              --+---------+---------+---------+---------+---------+---------+---------+---------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------------+---------+---------+---------+---------+---------+---------+---------+---------+-----                           
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