| Homoprotocatechuate 2,3-dioxygenase | Brevibacterium fuscum | Not Available | 2 | Details |
| Hormone-sensitive lipase | Humans | Lipase with broad substrate specificity, catalyzing the hydrolysis of triacylglycerols (TAGs), diacylglycerols (DAGs)... more | 5 | Details |
| Hornerin | Humans | Component of the epidermal cornified cell envelopes | 2 | Details |
| HSP40, subfamily A | Plasmodium falciparum (isolate 3D7) | Not Available | 1 | Details |
| HTH-type transcriptional regulator EthR | Mycobacterium tuberculosis | Involved in the repression of the monooxygenase EthA which is responsible of the formation of the active metabolite o... more | 4 | Details |
| HTH-type transcriptional regulator QacR | Staphylococcus aureus | Transcriptional repressor of qacA. Binds to IR1, an unusually long 28 bp operator, which is located downstream from t... more | 5 | Details |
| HTH-type transcriptional regulator QacR | Staphylococcus haemolyticus | Transcriptional repressor of qacA. Binds to IR1, an unusually long 28 bp operator, which is located downstream from t... more | 5 | Details |
| HTH-type transcriptional regulator TreR | Escherichia coli (strain K12) | Repressor of the treBC operon. It is able to bind trehalose-6-phosphate and trehalose. | 1 | Details |
| HTH-type transcriptional regulator TtgR | Pseudomonas putida (strain DOT-T1E) | Represses expression from the ttgABC operon promoter and its own expression. Binds to a promoter region between the d... more | 4 | Details |
| Human Arylsulfatase A mRNA | Humans | Not Available | 1 | Details |
| Human Carboxylesterases | Humans | Not Available | 14 | Details |
| Human Cyclooxygenases | Humans | Not Available | 66 | Details |
| Human Isocitrate Dehydrogenases | Humans | Not Available | 1 | Details |
| Human Retinoid X Receptors (RXRs) | Humans | Not Available | 5 | Details |
| Human telomerase RNA component | Humans | Not Available | 1 | Details |
| Human Vascular Endothelial Growth Factors (VEGFs) | Humans | Not Available | 1 | Details |
| Human vesicular glutamate transporters | Humans | This group is comprised of various human vesicular glutamate transporters, such as VGLUT1, VGLUT2 and VGLUT3. | 2 | Details |
| Huntingtin | Humans | May play a role in microtubule-mediated transport or vesicle function | 4 | Details |
| Hut operon positive regulatory protein | Bacillus subtilis (strain 168) | Antiterminator that binds to cis-acting regulatory sequences on the mRNA in the presence of histidine, thereby suppre... more | 1 | Details |
| Hyaluronan | Humans | Not Available | 3 | Details |
| Hyaluronan and proteoglycan link protein 1 | Humans | Stabilizes the aggregates of proteoglycan monomers with hyaluronic acid in the extracellular cartilage matrix | 1 | Details |
| Hyaluronan and proteoglycan link protein 3 | Humans | May function in hyaluronic acid binding | 1 | Details |
| Hyaluronan mediated motility receptor | Humans | Receptor for hyaluronic acid (HA). Involved in cell motility. When hyaluronan binds to HMMR, the phosphorylation of a... more | 1 | Details |
| Hyaluronate lyase | Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4) | Not Available | 9 | Details |
| Hyaluronate lyase | Streptococcus agalactiae serotype III (strain NEM316) | Not Available | 1 | Details |