Sequence alignment between 6itd(A) and UniProt seq Q55650 (Q55650_SYNY3):

Q55650 (Q55650_SYNY3): (S)-8-amino-7-oxononanoate synthase BioU from Synechocystis sp. (strain PCC 6803 / Kazusa) 
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330 
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: MENNSLAPLRVGILGFGGLGQAAARLLAPKQEMKLVAVADRHGYLYDADGIDVDNAVQAYTQQGSVGKAKKGQMSEQSIEDLIGEGEVDGYFLALPNLPNTFMADVTRQFIASGWQGVLVDALKRTSAVEQLITLREDLAQAGITYMTGCGATPGLLTAAAAIASQSFQEIHQVKITFGVGIANWEAYRATIREDIAHMPGYNVDKAQAMTDAEVAALLDQTNGILALEDMEHADDIMLELAGICHRDQVTVGGVVDTRNPKKPLSTHVKITGRTFEGKISSHTFTLGDETSMAANVCGPAFGYLKAGYGLHRQGLKGLFTAADVMPKFVR
         ...........................................................................................................................X...............................................................................................................................................................................................................
PDB seq: ---NSLAPLRVGILGFGGLGQAAARLLAPKQEMKLVAVADRHGYLYDADGIDVDNAVQAYTQQGSVGKAKKGQMSEQSIEDLIGEGEVDGYFLALPNLPNTFMADVTRQFIASGWQGVLVDALARTSAVEQLITLREDLAQAGITYMTGCGATPGLLTAAAAIASQSFQEIHQVKITFGVGIANWEAYRATIREDIAHMPGYNVDKAQAMTDAEVAALLDQTNGILALEDMEHADDIMLELAGICHRDQVTVGGVVDTRNPKKPLSTHVKITGRTFEGKISSHTFTLGDETSMAANVCGPAFGYLKAGYGLHRQGLKGLFTAADVMPKFVR
            ------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330