Sequence alignment between 2ak4(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: QKVTQAQTEISVVEKEDVTLDCVYETRDTTYYLFWYKQPPSGELVFLIRRNSFDEQNEISGRYSWNFQKSTSSFNFTITASQVVDSAVYFCALSGFYNTDKLIFGTGTRLQVFPNIQNPDPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSKDSDVYITDKCVLDMRSMDFKSNSAVAWSNKSDFACANAFNNSIIPEDTFFPS---------------------------------------------------
         ---------+---------+----------+---------+---------+-------------------+---------+---------+----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------                                                   
                 10        20         30        40        50                  70        80        90              110       120       130       140       150       160       170       180       190       200