3.4.11.1	leucyl aminopeptidase	carboxylic acid amide hydrolysis	-	Pseudomonas putida	-	
3.4.17.2	carboxypeptidase B	carboxylic acid amide hydrolysis	-	Sus scrofa	-	
3.4.21.4	trypsin	carboxylic acid amide hydrolysis	-	Sus scrofa	-	
3.5.1.11	penicillin amidase	carboxylic acid amide hydrolysis	-	Escherichia coli	-	
3.5.1.13	aryl-acylamidase	carboxylic acid amide hydrolysis	-	Pseudomonas fluorescens	-	
3.5.1.14	N-acyl-aliphatic-L-amino acid amidohydrolase	carboxylic acid amide hydrolysis	-	Aspergillus niger	-	
3.5.1.4	amidase	carboxylic acid amide hydrolysis	-	Raoultella terrigena	-	
3.5.1.49	formamidase	carboxylic acid amide hydrolysis	-	Caldanaerobacter subterraneus subsp. tengcongensis	Q8R8S5	
3.5.1.49	formamidase	carboxylic acid amide hydrolysis	-	Helicobacter pylori	-	
3.5.1.49	formamidase	carboxylic acid amide hydrolysis	-	Paracoccidioides brasiliensis	Q8J0S3	
3.5.1.5	urease	carboxylic acid amide hydrolysis	-	Limosilactobacillus fermentum	-	
3.5.2.2	dihydropyrimidinase	carboxylic acid amide hydrolysis	-	Brevibacillus brevis	-