>1QD9_1|Chains A, B, C|PURINE REGULATORY PROTEIN YABJ|Bacillus subtilis (1423) TKAVHTKHAPAAIGPYSQGIIVNNMFYSSGQIPLTPSGEMVNGDIKEQTHQVFSNLKAVLEEAGASFETVVKATVFIADMEQFAEVNEVYGQYFDTHKPARSCVEVARLPKDALVEIEVIALVK