Sequence alignment between 1j8h(D) 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
         ...............................................................................................................................XXX.............................................................................................................................
PDB seq: QSVTQLGSHVSVSEGALVLLRCNYSSSVPPYLFWYVQYPNQGLQLLLKYTSAATLVKGINGFEAEFKKSETSFHLTKPSAHMSDAAEYFCAVSESPFGNEKLTFGTGTRLTIIPNIQNPDPAVYQLR---SSDKSVCLFTDFDSQTNVSQSKDSDVYITDKTVLDMRSMDFKSNSAVAWSNKSDFACANAFNNSIIPEDTF------------------------------------------------------
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+-----------------+---------+---------   -------+---------+---------+---------+---------+---------+---------+---                                                      
                 10        20        30        40        50        60        70        80        90               110       120                 140       150       160       170       180       190       200