Sequence alignment between 3dxa(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
         ..........................................................................................................................................................X.............................................................................................
PDB seq: AKTTQPTSMDCAEGRAANLPCNHSTISGNEYVYWYRQIHSQGPQYIIHGLKNNETNEMASLIITEDRKSSTLILPHATLRDTAVYYCIVWGGYQKVTFGTGTKLQVIPIQNPDPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSKDSDVYITDKCVLDMRSMDFKSNSAVAWSNKSDFACANAFNNSIIPEDTFFPSPE-------------------------------------------------
         -------+---------+---------+----+---------+-------------+--+------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------                                                 
               10        20        30   40        50            70 80           90       100       110       120       130       140       150       160       170       180       190       200       210