| D-alanine--D-alanine ligase | Staphylococcus aureus (strain COL) | Cell wall formation. | 1 | Details |
| D-alanine--D-alanine ligase A | Escherichia coli (strain K12) | Cell wall formation. | 1 | Details |
| D-alanyl-D-alanine carboxypeptidase | Actinomadura sp. (strain R39) | Removes C-terminal D-alanyl residues from sugar-peptide cell wall precursors. | 1 | Details |
| D-alanyl-D-alanine carboxypeptidase | Streptomyces sp. (strain R61) | Catalyzes distinct carboxypeptidation and transpeptidation reactions during the last stages of wall peptidoglycan syn... more | 13 | Details |
| D-alanyl-D-alanine carboxypeptidase DacA | Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC) | Removes C-terminal D-alanyl residues from sugar-peptide cell wall precursors. | 1 | Details |
| D-alanyl-D-alanine carboxypeptidase DacA | Escherichia coli (strain K12) | Removes C-terminal D-alanyl residues from sugar-peptide cell wall precursors. | 6 | Details |
| D-alanyl-D-alanine carboxypeptidase DacB | Escherichia coli (strain K12) | Not involved in transpeptidation but exclusively catalyzes a DD-carboxypeptidase and DD-endopeptidase reaction. | 9 | Details |
| D-alanyl-D-alanine carboxypeptidase DacC | Escherichia coli (strain K12) | Removes C-terminal D-alanyl residues from sugar-peptide cell wall precursors. | 7 | Details |
| D-alanyl-D-alanine endopeptidase | Escherichia coli (strain K12) | Cell wall formation. May play a specialized role in remodeling the cell wall. Specifically hydrolyzes the DD-diaminop... more | 1 | Details |
| D-allose-binding periplasmic protein | Escherichia coli (strain K12) | Part of the binding-protein-dependent transport system AlsBAC for D-allose. | 1 | Details |
| D-Amino acid amidase | Ochrobactrum anthropi | Not Available | 1 | Details |
| D-amino-acid oxidase | Humans | Catalyzes the oxidative deamination of D-amino acids with broad substrate specificity. Required to catabolize D-amino... more | 13 | Details |
| D-aminoacyl-tRNA deacylase 1 | Humans | Possible ATPase involved in DNA replication, may facilitate loading of CDC45 onto pre-replication complexes | 1 | Details |
| D-beta-hydroxybutyrate dehydrogenase, mitochondrial | Humans | Not Available | 2 | Details |
| D-galactose/methyl-galactoside binding periplasmic protein MglB | Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) | Part of the ABC transporter complex MglABC involved in galactose/methyl galactoside import. In addition, binds D-gala... more | 1 | Details |
| D-galactose/methyl-galactoside binding periplasmic protein MglB | Escherichia coli (strain K12) | Part of the ABC transporter complex MglABC involved in galactose/methyl galactoside import. In addition, binds D-gala... more | 2 | Details |
| D-hydantoinase | Ralstonia pickettii | Catalyzes the stereospecific hydrolysis of the cyclic amide bond of D-hydantoin derivatives. | 1 | Details |
| D-hydantoinase | Geobacillus stearothermophilus | Catalyzes the stereospecific hydrolysis of the cyclic amide bond of D-hydantoin. Has no activity on dihydropyrimidines. | 1 | Details |
| D-lactate dehydrogenase | Lactobacillus helveticus | Not Available | 1 | Details |
| D-ribose pyranase | Bacillus subtilis (strain 168) | Catalyzes the interconversion of beta-pyran and beta-furan forms of D-ribose. | 3 | Details |
| D-tagatose-1,6-bisphosphate aldolase subunit KbaY | Escherichia coli (strain K12) | Catalytic subunit of the tagatose-1,6-bisphosphate aldolase KbaYZ, which catalyzes the reversible aldol condensation ... more | 1 | Details |
| DAN domain family member 5 | Humans | Antagonist of the extracellular signaling protein NODAL, which is required for correct left-right patterning during e... more | 2 | Details |
| dCTP deaminase | Escherichia coli (strain K12) | Catalyzes the deamination of dCTP to dUTP. | 2 | Details |
| Deacetoxycephalosporin C synthase | Streptomyces clavuligerus (strain ATCC 27064 / DSM 738 / JCM 4710 / NBRC 13307 / NCIMB 12785 / NRRL 3585 / VKM Ac-602) | Catalyzes the step from penicillin N to deacetoxy-cephalosporin C. | 3 | Details |
| Deacylase AADAC | Humans | Catalyzes the hydrolysis of ester and amide bonds and is largely involved in prodrugs activation, xenobiotic detoxifi... more | 3 | Details |