2.6.1.9	3-(4-hydroxyphenyl)-2-oxopropanoate + L-glutamate	-	Corynebacterium glutamicum	L-tyrosine + 2-oxoglutarate	-	?	395696	
2.6.1.9	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-2-aminoadipate	40% of the activity with L-glutamate	Neurospora sp.	L-histidinol phosphate + 2-oxoadipate	-	r	354113	
2.6.1.9	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-arginine	33% of the activity with L-glutamate	Neurospora sp.	L-histidinol phosphate + 2-oxo-5-guanidinopentanoate	-	r	354114	
2.6.1.9	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-glutamate	histidine pathway	Escherichia coli	L-histidinol phosphate + 2-oxoglutarate	-	?	370425	
2.6.1.9	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-glutamate	eighth step in histidine biosynthesis	Salmonella enterica subsp. enterica serovar Typhimurium	L-histidinol phosphate + 2-oxoglutarate	-	?	370425	
2.6.1.9	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-glutamine	4% of the activity with L-glutamate	Neurospora sp.	L-histidinol phosphate + 4-carbamoyl-2-oxobutanoate	-	r	354116	
2.6.1.9	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-histidine	30% of the activity with L-glutamate	Neurospora sp.	L-histidinol phosphate + 3-(1H-imidazol-4-yl)-2-oxopropanoate	-	r	354115	
2.6.1.9	3-indole-2-oxopropanoate + L-glutamate	-	Corynebacterium glutamicum	L-tryptophan + 2-oxoglutarate	-	?	395742	
2.6.1.9	4-methyl-2-oxopentanoate + L-alanine	-	Corynebacterium glutamicum	L-leucine + pyruvate	-	?	395884	
2.6.1.9	4-methyl-2-oxopentanoate + L-asparagine	-	Corynebacterium glutamicum	L-leucine + 2-oxosuccinamic acid	-	?	395885	
2.6.1.9	4-methyl-2-oxopentanoate + L-glutamate	-	Corynebacterium glutamicum	L-leucine + 2-oxoglutarate	-	?	395886	
2.6.1.9	beta-chloro-L-alanine	-	Salmonella enterica subsp. enterica serovar Typhimurium	pyruvate + NH3 + Cl-	-	?	354117	
2.6.1.9	L-glutarate + 2-oxobutanoate	-	Corynebacterium glutamicum	2-oxoglutarate + 2-aminobutanoate	-	?	397599	
2.6.1.9	L-histidine + 2-oxoglutarate	-	Zymomonas mobilis	3-(imidazol-4-yl)-2-oxopropanoate + L-glutamate	-	?	354120	
2.6.1.9	L-histidinol phosphate + 2-oxo-5-guanidinopentanoate	-	Neurospora sp.	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-arginine	-	r	354111	
2.6.1.9	L-histidinol phosphate + 2-oxoadipate	70% of the activity with 2-oxoglutarate	Neurospora sp.	3-(imidazol-4-yl)-2-oxopropyl phosphate + 2-aminoadipate	-	r	354112	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Salmonella enterica subsp. enterica serovar Typhimurium	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-Glu	-	?	354110	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Bacillus subtilis	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-Glu	-	?	354110	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Zymomonas mobilis	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-Glu	-	?	354110	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Escherichia coli	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-Glu	-	?	354110	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Mycobacterium tuberculosis	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-Glu	-	?	354110	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Neurospora sp.	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-Glu	i.e. imidazoleacetol phosphate + L-Glu	r	354110	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Escherichia coli	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-Glu	i.e. imidazoleacetol phosphate + L-Glu	?	354110	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Mycobacterium tuberculosis H37Rv	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-Glu	-	?	354110	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Thermotoga maritima	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-glutamate	-	r	375159	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Corynebacterium glutamicum	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-glutamate	-	?	375159	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Mycobacterium tuberculosis	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-glutamate	-	?	375159	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	catalytic reaction pathway, histidine biosynthesis	Thermotoga maritima	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-glutamate	-	r	375159	
2.6.1.9	L-histidinol phosphate + 2-oxoglutarate	-	Mycobacterium tuberculosis H37Rv	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-glutamate	-	?	375159	
2.6.1.9	L-histidinol phosphate + 4-hydroxyphenylpyruvate	-	Zymomonas mobilis	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-tyrosine	-	?	354122	
2.6.1.9	L-histidinol phosphate + oxaloacetate	-	Zymomonas mobilis	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-aspartate	-	?	354124	
2.6.1.9	L-histidinol phosphate + phenylpyruvate	-	Zymomonas mobilis	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-phenylalanine	-	?	354123	
2.6.1.9	L-histidinol phosphate + pyruvate	-	Zymomonas mobilis	3-(imidazol-4-yl)-2-oxopropyl phosphate + L-Ala	-	?	354125	
2.6.1.9	L-leucine + 2-oxoglutarate	-	Zymomonas mobilis	4-methyl-2-oxopentanoate + L-glutamate	-	?	353525	
2.6.1.9	L-phenylalanine + 2-oxoglutarate	-	Bacillus subtilis	phenylpyruvate + L-glutamate	-	?	353519	
2.6.1.9	L-phenylalanine + 2-oxoglutarate	-	Zymomonas mobilis	phenylpyruvate + L-glutamate	-	?	353519	
2.6.1.9	L-phenylalanine + 2-oxoglutarate	-	Mycobacterium tuberculosis	phenylpyruvate + L-glutamate	-	?	353519	
2.6.1.9	L-phenylalanine + 2-oxoglutarate	low activity with	Thermotoga maritima	phenylpyruvate + L-glutamate	-	r	353519	
2.6.1.9	L-phenylalanine + 2-oxoglutarate	-	Mycobacterium tuberculosis H37Rv	phenylpyruvate + L-glutamate	-	?	353519	
2.6.1.9	L-tryptophan + 2-oxoglutarate	-	Bacillus subtilis	3-indole-2-oxopropanoate + L-glutamate	-	?	353524	
2.6.1.9	L-tryptophan + 2-oxoglutarate	-	Thermotoga maritima	3-indole-2-oxopropanoate + L-glutamate	-	r	353524	
2.6.1.9	L-tyrosine + 2-oxoglutarate	-	Bacillus subtilis	3-(4-hydroxyphenyl)-2-oxopropanoate + L-glutamate	-	?	353520	
2.6.1.9	L-tyrosine + 2-oxoglutarate	-	Thermotoga maritima	3-(4-hydroxyphenyl)-2-oxopropanoate + L-glutamate	-	r	353520	
2.6.1.9	L-tyrosine + 2-oxoglutarate	-	Zymomonas mobilis	3-(4-hydroxyphenyl)-2-oxopropanoate + glutamate	-	?	354121	
2.6.1.9	L-tyrosine + 2-oxoglutarate	-	Mycobacterium tuberculosis	3-(4-hydroxyphenyl)-2-oxopropanoate + glutamate	-	?	354121	
2.6.1.9	L-tyrosine + 2-oxoglutarate	-	Mycobacterium tuberculosis H37Rv	3-(4-hydroxyphenyl)-2-oxopropanoate + glutamate	-	?	354121	
2.6.1.9	additional information	no substrate: oxaloacetate, pyruvate	Neurospora sp.	?	-	?	89	
2.6.1.9	additional information	enzyme might also catalyze the transamination reaction with other substrates generating aromatic amino acids in vivo	Thermotoga maritima	?	-	?	89	
2.6.1.9	additional information	no activity with L-histidine	Thermotoga maritima	?	-	?	89	
2.6.1.9	additional information	complete knockout of AtHPA1 is lethal for embryo	Arabidopsis thaliana	?	-	?	89	
2.6.1.9	additional information	no substrate: 3-methyl-2-oxopentanoate, 3-methyl-2-oxobutanoate	Corynebacterium glutamicum	?	-	?	89	
2.6.1.9	phenylpyruvate + L-glutamate	-	Corynebacterium glutamicum	L-phenylalanine + 2-oxoglutarate	-	?	377511