Sequence alignment between 1ro5(A) and UniProt seq P33883 (LASI_PSEAE):

P33883 (LASI_PSEAE): Acyl-homoserine-lactone synthase from Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) 
                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200 
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: ---MIVQIGRREEFDKKLLGEMHKLRAQVFKERKGWDVSVIDEMEIDGYDALSPYYMLIQEDTPEAQVFGCWRILDTTGPYMLKNTFPELLHGKEAPCSPHIWELSRFAINSGQKGSLGFSDCTLEAMRALARYSLQNDIQTLVTVTTVGVEKMMIRAGLDVSRFGPHLKIGIERAVALRIELNAKTQIALYGGVLVEQRLAVS
         ..............................................................XXXX..........................................................................................................................................
PDB seq: GSHMIVQIGRREEFDKKLLGEMHKLRAQVFKERKGWDVSVIDEMEIDGYDALSPYYMLIQED---GQVFGCWRILDTTGPYMLKNTFPELLHGKEAPCSPHIWELSRFAINSGQKGSLGFSDCTLEAMRALARYSLQNDIQTLVTVTTVGVEKMMIRAGLDVSRFGPHLKIGIERAVALRIELNAKTQIALYGGVLVEQR----
         ------------+---------+---------+---------+---------+---------   +------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------    
                    10        20        30        40        50          60G     70        80        90       100       110       120       130       140       150       160       170       180       190