Sequence alignment between 2bca(A) and UniProt seq P02633 (S100G_BOVIN):

P02633 (S100G_BOVIN): Protein S100-G from Bos taurus
                 10        20        30        40        50        60        70         
         ---------+---------+---------+---------+---------+---------+---------+---------
UniProt: MSAKKSPEELKGIFEKYAAKEGDPNQLSKEELKLLLQTEFPSLLKGPSTLDELFEELDKNGDGEVSFEEFQVLVKKISQ
         ..............................................X................................
PDB seq: ----KSPEELKGIFEKYAAKEGDPNQLSKEELKLLLQTEFPSLLKGGSTLDELFEELDKNGDGEVSFEEFQVLVKKISQ
             ---------+---------+---------+---------+---------+---------+---------+-----
                     10        20        30        40        50        60        70