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6.3.4.4	744526	 Biochemical analyses of ppGpp effect on adenylosuccinate synthetases, key enzymes in purine biosynthesis in rice	Biosci. Biotechnol. Biochem.	 78	 1022-1025 	2014	Escherichia coli	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=25036129&form=6&db=m	
6.3.4.4	744526	 Biochemical analyses of ppGpp effect on adenylosuccinate synthetases, key enzymes in purine biosynthesis in rice	Biosci. Biotechnol. Biochem.	 78	 1022-1025 	2014	Oryza sativa	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=25036129&form=6&db=m	
6.3.4.4	744526	 Biochemical analyses of ppGpp effect on adenylosuccinate synthetases, key enzymes in purine biosynthesis in rice	Biosci. Biotechnol. Biochem.	 78	 1022-1025 	2014	Bacillus subtilis 168	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=25036129&form=6&db=m	
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6.3.4.4	745423	 Directed evolution of adenylosuccinate synthetase from Bacillus subtilis and its application in metabolic engineering	J. Biotechnol.	 231	 115-121 	2016	Bacillus subtilis 168	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=27234879&form=6&db=m	
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6.3.4.4	744350	 Exquisite modulation of the active site of Methanocaldococcus jannaschii adenylosuccinate synthetase in forward reaction complexes	Biochemistry	 55	 2491-2499 	2016	Methanocaldococcus jannaschii DSM 2661	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=27050719&form=6&db=m	
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