Sequence alignment between 2k1v(B) and UniProt seq Q8WXF3 (REL3_HUMAN):

Q8WXF3 (REL3_HUMAN): Relaxin-3 from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140  
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
UniProt: MARYMLLLLLAVWVLTGELWPGAEARAAPYGVRLCGREFIRAVIFTCGGSRWRRSDILAHEAMGDTFPDADADEDSLAGELDEAMGSSEWLALTKSPQAFYRGRPSWQGTPGVLRGSRDVLAGLSSSCCKWGCSKSEISSLC
PDB seq: -------------------------RAAPYGVRLCGREFIRAVIFTCGGSRW------------------------------------------------------------------------------------------
                                  ---------+---------+-------                                                                                          
                                          10        20