| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Ribonuclease U>2< | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Bacillus subtilis ribonuclease (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Hydroxybutyrate-dimer hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Deoxyribodipyrimidine endonucleosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Dynein ATPase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Glucan 1,6-alpha-glucosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Hyaluronoglucosaminidase | Is a | False | Hydrolase | Inferred relationship | Some |  | 
| N-Acetylmuramoyl-L-alanine amidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| CDPglycerol pyrophosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| 6-phospho-beta-glucosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Dextran 1,6-alpha-isomaltotriosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Levanase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Triacetate-lactonase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Formiminoglutamase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| ATP pyrophosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Glucuronosyl-disulfoglucosamine glucuronidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Methylthioadenosine nucleosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Phenylalanine 4-monooxygenase | Is a | False | Hydrolase | Inferred relationship | Some |  | 
| Alpha-dextrin endo-1,6-alpha-glucosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Alpha-glutamyl-glutamate dipeptidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Arabinan endo-1,5-alpha-L-arabinosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Phosphoric diester hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Triphosphoric monoester hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Sulfuric ester hydrolase | Is a | False | Hydrolase | Inferred relationship | Some |  | 
| Carboxylic ester hydrolase | Is a | False | Hydrolase | Inferred relationship | Some |  | 
| Thiolester hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Substance with phosphoric monoester hydrolase mechanism of action (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Esterase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Thioether hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Ether hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Peptide hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Alpha-aminoacylpeptide hydrolase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Dipeptide hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Dipeptidylpeptide hydrolase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Bis(2-ethylhexyl)phthalate esterase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Protein-glutamate methylesterase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| 11-cis-retinyl-palmitate hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| All-trans-retinyl-palmitate hydrolase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| L-rhamnono-1,4-lactonase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| 5-(3,4-diacetoxybut-1-ynyl)-2,2'-bithiophene deacetylase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Xylono-1,4-lactonase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| N-acetylglucosaminylphosphatidylinositol deacetylase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Cetraxate benzylesterase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Acetylalkylglycerol acetylhydrolase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Acetylxylan esterase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Ubiquitin thiolesterase | Is a | False | Hydrolase | Inferred relationship | Some |  | 
| Citrate (pro-3S)-lyase thiolesterase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| (S)-methylmalonyl-CoA hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| ADP-dependent short-chain-acyl-CoA hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| ADP-dependent medium-chain-acyl-CoA hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Acyl-CoA hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Dodecanoyl-[acyl-carrier protein] hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Palmitoyl-protein hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| 4-hydroxybenzoyl-CoA thioesterase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| CC-preferring endodeoxyribonuclease | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Crossover junction endoribonuclease | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Deoxyribonuclease X | Is a | False | Hydrolase | Inferred relationship | Some |  | 
| Ribonuclease IX | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Ribonuclease M5 | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Ribonuclease (poly-(U)-specific) (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| rRNA endonuclease | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| [Glycogen-synthase-D]-phosphatase | Is a | False | Hydrolase | Inferred relationship | Some |  | 
| [Pyruvate dehydrogenase (lipoamide)]-phosphatase | Is a | False | Hydrolase | Inferred relationship | Some |  | 
| [Acetyl-CoA carboxylase]-phosphatase | Is a | False | Hydrolase | Inferred relationship | Some |  | 
| 3-methyl-2-oxobutanoate dehydrogenase (lipoamide)-phosphatase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Myosin light-chain-phosphatase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Fructose-2,6-bisphosphate 6-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Caldesmon-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Inositol-1,4,5-trisphosphate 5-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Inositol-1,4-bisphosphate 1-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Sugar-terminal-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Alkylacetylglycerophosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Phosphoenolpyruvate phosphatase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Inositol-1,4,5-trisphosphate 1-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Inositol-1,3,4,5-tetrakisphosphate 3-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| 2-carboxy-D-arabinitol-1-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Phosphatidylinositol-3-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Inositol-1,3-bisphosphate 3-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Inositol-3,4-bisphosphate 4-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| 2-deoxyglucose-6-phosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Glycerophosphodiester phosphodiesterase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Variant-surface-glycoprotein phospholipase C | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Dolichyl-phosphate-glucose phosphodiesterase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Dolichyl-phosphate-mannose phosphodiesterase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Glycoprotein phospholipase D | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Glucose-1-phospho-D-mannosylglycoprotein phosphodiesterase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Monomethyl-sulfatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| D-lactate-2-sulfatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Glucuronate-2-sulfatase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Aryldialkylphosphatase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Phosphonoacetate hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Trithionate hydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| 1,3-alpha-L-fucosidase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| 2-deoxyglucosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Mannosyl-oligosaccharide 1,2-alpha-mannosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase (substance) | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Branched-dextran exo-1,2-alpha-glucosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Glucan 1,4-alpha-maltotriohydrolase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Amygdalin beta-glucosidase | Is a | True | Hydrolase | Inferred relationship | Some |  | 
| Prunasin beta-glucosidase | Is a | True | Hydrolase | Inferred relationship | Some |  |