Sequence alignment between 2v3c(A) and UniProt seq Q58440 (SRP19_METJA):

Q58440 (SRP19_METJA): Signal recognition particle 19 kDa protein from Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440)
                 10        20        30        40        50        60        70        80       
         ---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MIIWPSYIDKKKSRREGRKVPEELAIEKPSLKDIEKALKKLGLEPKIYRDKRYPRQHWEICGCVEVDYKGNKLQLLKEICKIIKGKN
PDB seq: MIIWPSYIDKKKSRREGRKVPEELAIEKPSLKDIEKALKKLGLEPKIYRDKRYPRQHWEICGCVEVDYKGNKLQLLKEICKIIKGKN
         ---------+---------+---------+---------+---------+---------+---------+---------+-------
                 10        20        30        40        50        60        70        80