Sequence alignment between 2c4b(A) and UniProt seq P00648 (RNBR_BACAM):

P00648 (RNBR_BACAM): Ribonuclease from Bacillus amyloliquefaciens
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         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MMKMEGIALKKRLSWISVCLLVLVSAAGMLFSTAAKTETSSHKAHTEAQVINTFDGVADYLQTYHKLPDNYITKSEAQALGWVASKGNLADVAPGKSIGGDIFSNREGKLPGKSGRTWREADINYTSGFRNSDRILYSSDWLIYKTTDHYQTFTKIR----------------------------------
         ....................................................................................................................................................X..........................................
PDB seq: -------------------------------------------------VINTFDGVADYLQTYHKLPDNYITKSEAQALGWVASKGNLADVAPGKSIGGDIFSNREGKLPGKSGRTWREADINYTSGFRNSDRILYSSDWLIYKTTDAYQTFTKIRSSSMGVCPKILKKCRRDSDCLAGCVCGPNGFCGS
                                                          -------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
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