Sequence alignment between 4s1z(A) and UniProt seq P62987 (RL40_HUMAN):

P62987 (RL40_HUMAN): Ubiquitin-ribosomal protein eL40 fusion protein from Homo sapiens
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         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGGIIEPSLRQLAQKYNCDKMICRKCYARLHPRAVNCRKKKCGHTNNLRPKKKVK
PDB seq: MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRL-------------------------------------------------------
         ---------+---------+---------+---------+---------+---------+---------+---                                                       
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