Sequence alignment between 4x6c(E) and UniProt seq P01848 (TCA_HUMAN):

P01848 (TCA_HUMAN): T cell receptor alpha chain constant from Homo sapiens
                                                                                                                                  10        20        30        40        50        60        70        80        90       100       110       120       130       140
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: -----------------------------------------------------------------------------------------------------------------IQNPDPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSKDSDVYITDKTVLDMRSMDFKSNSAVAWSNKSDFACANAFNNSIIPEDTFFPSPESSCDVKLVEKSFETDTNLNFQNLSVIGFRILLLKVAGFNLLMTLRLWSS
         ..............................................................................................................................XXXX.............................X.............................................................................................
PDB seq: KEVEQDPGPLSVPEGAIVSLNCTYSNSAFQYFMWYRQYSRKGPELLMYTYSSGNKEDGRFTAQVDKSSKYISLFIRDSQPSDSATYLCAMSTSLPNAGKSTFGDGTTLTVKPNIQNPDPAVYQLRD----DKSVCLFTDFDSQTNVSQSKDSDVYITDKCVLDMRSMDFKSNSAVAWSNKSDFACANAFNNSIIPEDTFFPS---------------------------------------------------
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------    ---------+---------+---------+---------+---------+---------+---------+--                                                   
                 10        20        30        40        50        60        70        80        90       100       110       120                 140       150       160       170       180       190       200