Sequence alignment between 3se3(B) and UniProt seq P01563 (IFNA2_HUMAN):

P01563 (IFNA2_HUMAN): Interferon alpha-2 from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180        
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MALTFALLVALLVLSCKSSCSVGCDLPQTHSLGSRRTLMLLAQMRRISLFSCLKDRHDFGFPQEEFGNQFQKAETIPVLHEMIQQIFNLFSTKDSSAAWDETLLDKFYTELYQQLNDLEACVIQGVGVTETPLMKEDSILAVRKYFQRITLYLKEKKYSPCAWEVVRAEIMRSFSLSTNLQESLRSKE
         ..................................................................XXXXXXX......XX..X......................................XXXXXXXXXXXXXX....................................................
PDB seq: ------------------------------SLGSRRTLMLLAQMRRISLFSCLKDRHDFGFPQEEF-------ETIPVLYNMISQIFNLFSTKDSSAAWDETLLDKFYTELYQQLNDLEACV--------------DSILAVRKYFQRITLYLKEKKYSPCAWEVVRAEIMRSFSLSTN---------
                                       --+---------+---------+---------+---       ---------+---------+---------+---------+---------              ------+---------+---------+---------+------         
                                        10        20        30        40                  60        70        80        90                           120       130       140       150