2wjz
From Proteopedia
CRYSTAL STRUCTURE OF (HISH) K181A Y138A MUTANT OF IMIDAZOLEGLYCEROLPHOSPHATE SYNTHASE (HISH HISF) WHICH DISPLAYS CONSTITUTIVE GLUTAMINASE ACTIVITY
About this Structure
2wjz is a 6 chain structure with sequence from Thermotoga maritima. Full crystallographic information is available from OCA.