Sequence alignment between 1v7l(A) and UniProt seq O59393 (LEUD_PYRHO):

O59393 (LEUD_PYRHO): 3-isopropylmalate dehydratase small subunit from Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)
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         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
UniProt: MITTGKVWKFGDDISTDEITPGRYNLTKDPKELAKIAFIEVRPDFARNVRPGDVVVAGKNFGIGSSRESAALALKALGIAGVIAESFGRIFYRNAINIGIPLLLGKTEGLKDGDLVTVNWETGEVRKGDEILMFEPLEDFLLEIVREGGILEYIRRRGDLCIR
PDB seq: MITTGKVWKFGDDISTDEITPGRYNLTKDPKELAKIAFIEVRPDFARNVRPGDVVVAGKNFGIGSSRESAALALKALGIAGVIAESFGRIFYRNAINIGIPLLLGKTEGLKDGDLVTVNWETGEVRKGDEILMFEPLEDFLLEIVREGGILEYIRRRGDLCI-
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-- 
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160