| Helicase POLQ-like | Humans | Single-stranded 3'-5' DNA helicase that plays a key role in homology-driven double-strand break (DSB) repair. Involve... more | 1 | Details |
| Hemagglutinin | Influenza A virus (strain A/Aichi/2/1968 H3N2) | Binds to sialic acid-containing receptors on the cell surface, bringing about the attachment of the virus particle to... more | 4 | Details |
| Hemagglutinin | Influenza A virus (strain A/Mallard/Astrakhan/244/1982 H14N6) | Binds to sialic acid-containing receptors on the cell surface, bringing about the attachment of the virus particle to... more | 1 | Details |
| Hemagglutinin-neuraminidase | NDV | Mediates the viral entry into the host cell together with fusion/F protein. Attaches the virus to sialic acid-contain... more | 4 | Details |
| Hemagglutinin-neuraminidase | HPIV-3 | Attaches the virus to sialic acid-containing cell receptors and thereby initiating infection. Binding of HN protein t... more | 2 | Details |
| Hematopoietic progenitor cell antigen CD34 | Humans | Possible adhesion molecule with a role in early hematopoiesis by mediating the attachment of stem cells to the bone m... more | 3 | Details |
| Hematopoietic prostaglandin D synthase | Humans | Bifunctional enzyme which catalyzes both the conversion of PGH2 to PGD2, a prostaglandin involved in smooth muscle co... more | 17 | Details |
| Hematopoietic stem cells | Humans | Not Available | 1 | Details |
| Heme oxygenase | Corynebacterium diphtheriae (strain ATCC 700971 / NCTC 13129 / Biotype gravis) | Allows the bacteria to use the host heme as an iron source. Involved in the oxidation of heme and subsequent release ... more | 1 | Details |
| heme oxygenase (biliverdin-producing) | Corynebacterium diphtheriae | Not Available | 3 | Details |
| Heme oxygenase 1 | Humans | Catalyzes the oxidative cleavage of heme at the alpha-methene bridge carbon, released as carbon monoxide (CO), to gen... more | 19 | Details |
| Heme oxygenase 2 | Humans | Catalyzes the oxidative cleavage of heme at the alpha-methene bridge carbon, released as carbon monoxide (CO), to gen... more | 2 | Details |
| Hemocyanin 1 | Megathura crenulata | Hemocyanins are copper-containing oxygen carriers occurring freely dissolved in the hemolymph of many mollusks and ar... more | 2 | Details |
| Hemoglobin | Humans | Group entry combining alpha and beta subunits of human hemoglobin for use when binding interaction does not specify t... more | 8 | Details |
| Hemoglobin subunit alpha | Humans | Involved in oxygen transport from the lung to the various peripheral tissues | 34 | Details |
| Hemoglobin subunit beta | Humans | Involved in oxygen transport from the lung to the various peripheral tissues | 23 | Details |
| Hemoglobin subunit beta | Humans | Not Available | 1 | Details |
| Hemopexin | Humans | Binds heme and transports it to the liver for breakdown and iron recovery, after which the free hemopexin returns to ... more | 5 | Details |
| Heparan sulfate | Humans | Not Available | 6 | Details |
| Heparan sulfate glucosamine 3-O-sulfotransferase 1 | Humans | Sulfotransferase that utilizes 3'-phospho-5'-adenylyl sulfate (PAPS) to catalyze the transfer of a sulfo group to pos... more | 1 | Details |
| Heparan sulfate glucosamine 3-O-sulfotransferase 3A1 | Humans | Sulfotransferase that utilizes 3'-phospho-5'-adenylyl sulfate (PAPS) to catalyze the transfer of a sulfo group to an ... more | 4 | Details |
| Heparanase | Humans | Endoglycosidase that cleaves heparan sulfate proteoglycans (HSPGs) into heparan sulfate side chains and core proteogl... more | 10 | Details |
| Heparin cofactor 2 | Humans | Thrombin inhibitor activated by the glycosaminoglycans, heparin or dermatan sulfate. In the presence of the latter, H... more | 9 | Details |
| Hepatic sodium/bile acid cotransporter | Humans | As a major transporter of conjugated bile salts from plasma into the hepatocyte, it plays a key role in the enterohep... more | 37 | Details |
| Hepatic triacylglycerol lipase | Humans | Catalyzes the hydrolysis of triglycerides and phospholipids present in circulating plasma lipoproteins, including chy... more | 1 | Details |