Sequence alignment between 1r3m(A) and UniProt seq P00669 (RNS_BOVIN):

P00669 (RNS_BOVIN): Seminal ribonuclease from Bos taurus
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MALKSLVVLPLLVLVLLLVRVQPSLGKESAAAKFERQHMDSGNSPSSSSNYCNLMMCCRKMTQGKCKPVNTFVHESLADVKAVCSQKKVTCKNGQTNCYQSKSTMRITDCRETGSSKYPNCAYKTTQVEKHIIVACGGKPSVPVHFDASV
         ...............................................XX.....................................................................................................
PDB seq: --------------------------KESAAAKFERQHMDSGNSPSS--NYCNLMMCCRKMTQGKCKPVNTFVHESLADVKAVCSQKKVTCKNGQTNCYQSKSTMRITDCRETGSSKYPNCAYKTTQVEKHIIVACGGKPSVPVHFDASV
                                   ---------+-----------  ------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
                                           10                  30        40        50        60        70        80        90       100       110       120