_EC 3.7.1.- In ketonic substances. 42 PDB entries  
EC 3.-.-.- Hydrolases. [20,896 PDB entries]
EC 3.7.-.- Acting on carbon-carbon bonds. [42 PDB entries]
EC 3.7.1.- In ketonic substances. [42 PDB entries]    
EC 3.7.1.1 Oxaloacetase. [4 PDB entries]
EC 3.7.1.2 Fumarylacetoacetase. [5 PDB entries]
EC 3.7.1.3 Kynureninase. [3 PDB entries]
EC 3.7.1.4 Phloretin hydrolase. [-]
EC 3.7.1.5 Acylpyruvate hydrolase. [1 PDB entries]
EC 3.7.1.6 Acetylpyruvate hydrolase. [-]
EC 3.7.1.7 Beta-diketone hydrolase. [-]
EC 3.7.1.8 2,6-dioxo-6-phenylhexa-3-enoate hydrolase. [17 PDB entries]
EC 3.7.1.9 2-hydroxymuconate-6-semialdehyde hydrolase. [3 PDB entries]
EC 3.7.1.10 Cyclohexane-1,3-dione hydrolase. [-]
EC 3.7.1.11 Cyclohexane-1,2-dione hydrolase. [-]
EC 3.7.1.12 Cobalt-precorrin 5A hydrolase. [-]
EC 3.7.1.13 2-hydroxy-6-oxo-6-(2-aminophenyl)hexa-2,4-dienoate hydrolase. [-]
EC 3.7.1.14 2-hydroxy-6-oxonona-2,4-dienedioate hydrolase. [1 PDB entries]
EC 3.7.1.15 Transferred entry: 4.2.1.138. [-]
EC 3.7.1.16 Transferred entry: 3.3.2.12. [-]
EC 3.7.1.17 4,5-9,10-diseco-3-hydroxy-5,9,17-trioxoandrosta-1(10),2-diene-4-oate [5 PDB entries]
EC 3.7.1.18 6-oxocamphor hydrolase. [2 PDB entries]
EC 3.7.1.19 2,6-dihydroxypseudooxynicotine hydrolase. [1 PDB entries]
EC 3.7.1.20 3-fumarylpyruvate hydrolase. [-]
EC 3.7.1.21 6-oxocyclohex-1-ene-1-carbonyl-CoA hydratase. [-]
EC 3.7.1.22 3D-(3,5/4)-trihydroxycyclohexane-1,2-dione acylhydrolase (decyclizing). [-]
EC 3.7.1.n1 Transferred entry: 3.7.1.14. [-]
EC 3.7.1.n2 Transferred entry: 3.7.1.22. [-]

[-] signifies that there are no PDB entries for the given enzyme subclass