Sequence alignment between 4lid(A) and UniProt seq P20194 (A100_SSV1):

P20194 (A100_SSV1): Uncharacterized protein A-100 from Sulfolobus spindle-shape virus 1 
                 10        20        30        40        50        60        70        80        90       100
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MVSPQTRKEEELLEKQNSVFYLLTLGRKPYGSYLHIKIELDEDEKLEKEIYADNIKLENELRQLKRLYEVYQSVEIDDAQKAIQKEALLTIAKILSVFDF
         ..........................XXXXX.....................................................................
PDB seq: ---------EELLEKQNSVFYLLTLG-----SYLHIKIELDEDEKLEKEIYADNIKLENELRQLKRLYEVYQSVEIDDAQKAIQKEALLTIAKILSVFDF
                  +---------+------     --------+---------+---------+---------+---------+---------+---------+
                 10        20                  40        50        60        70        80        90       100