Sequence alignment between 1jm4(A) and UniProt seq P04610 (TAT_HV1BR):

P04610 (TAT_HV1BR): Protein Tat from Human immunodeficiency virus type 1 group M subtype B (isolate BRU/LAI)
                 10        20        30        40        50        60        70        80      
         ---------+---------+---------+---------+---------+---------+---------+---------+------
UniProt: MEPVDPRLEPWKHPGSQPKTACTTCYCKKCCFHCQVCFTTKALGISYGRKKRRQRRRPPQGSQTHQVSLSKQPTSQPRGDPTGPKE
         .................................................X.....X..............................
PDB seq: ---------------------------------------------SYGRXKRRQRC------------------------------
                                                      ----+------                              
                                                         50