Sequence alignment between 6z0r(A) and UniProt seq B1MHW4 (PUR7_MYCA9):

B1MHW4 (PUR7_MYCA9): Phosphoribosylaminoimidazole-succinocarboxamide synthase from Mycobacteroides abscessus (strain ATCC 19977 / DSM 44196 / CCUG 20993 / CIP 104536 / JCM 13569 / NCTC 13031 / TMC 1543 / L948)
                 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       
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MRPSLSDYQHVASGKVRELYRVDDEHLLFVATDRISAFDFVLDTPIPDKGRILTAMSVFFFGLLTVPNHLAGPPDDPRIPEEVLGRALLVRRLDMLPVECVARGYLTGSGLLDYQRTGAVCGHVLPQGLGEASRLDPPLFTPATKADIGEHDMNVDFAAVVGLVGAVRANQLRDETIKIYTRAAAHALHKGIILADTKFEFGVDIEGNLVLADEVFTPDSSRYWDAAHYQPGVVQDSFDKQFVRNWLTGPESGWDRASDTPPPPLPDEVAVATRERYIEAYERISGLSFSDWIGPSA
PDB seq: MRPSLSDYQHVASGKVRELYRVDDEHLLFVATDRISAFDFVLDTPIPDKGRILTAMSVFFFGLLTVPNHLAGPPDDPRIPEEVLGRALLVRRLDMLPVECVARGYLTGSGLLDYQRTGAVCGHVLPQGLGEASRLDPPLFTPATKADIGEHDMNVDFAAVVGLVGAVRANQLRDETIKIYTRAAAHALHKGIILADTKFEFGVDIEGNLVLADEVFTPDSSRYWDAAHYQPGVVQDSFDKQFVRNWLTGPESGWDRASDTPPPPLPDEVAVATRERYIEAYERISGLSFSDWIGP--
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-----  
                 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