| Hypothetical membrane spanning protein | Thermus thermophilus (strain HB27 / ATCC BAA-163 / DSM 7039) | Not Available | 1 | Details |
| Hypoxanthine phosphoribosyltransferase | Trypanosoma cruzi | Not Available | 4 | Details |
| Hypoxanthine phosphoribosyltransferase | Escherichia coli (strain K12) | Purine salvage pathway enzyme which catalyzes the transfer of the ribosyl-5-phosphate group from 5-phospho-alpha-D-ri... more | 1 | Details |
| Hypoxanthine-guanine phosphoribosyltransferase | Humans | Converts guanine to guanosine monophosphate, and hypoxanthine to inosine monophosphate. Transfers the 5-phosphoribosy... more | 7 | Details |
| Hypoxanthine-guanine-xanthine phosphoribosyltransferase | Plasmodium falciparum (isolate FCR-3 / Gambia) | Catalyzes the transfer of a ribosyl phosphate group from 5-phosphoribose 1-diphosphate to the N(9) of hypoxanthine, g... more | 13 | Details |
| Hypoxia-inducible factor 1 | Humans | Hypoxia-inducible factor 1 is a heterodimeric transcription factor comprising an alpha and beta subunit. | 1 | Details |
| Hypoxia-inducible factor 1-alpha | Humans | Functions as a master transcriptional regulator of the adaptive response to hypoxia. Under hypoxic conditions, activa... more | 11 | Details |
| Hypoxia-inducible factor 1-alpha inhibitor | Humans | Hydroxylates HIF-1 alpha at 'Asn-803' in the C-terminal transactivation domain (CAD). Functions as an oxygen sensor a... more | 2 | Details |
| IAG-nucleoside hydrolase | Trypanosoma vivax | Not Available | 2 | Details |
| Iduronate 2-sulfatase | Humans | Lysosomal enzyme involved in the degradation pathway of dermatan sulfate and heparan sulfate | 4 | Details |
| Iduronic acid | Humans | Not Available | 1 | Details |
| Ig-like domain-containing protein | Humans | Not Available | 1 | Details |
| IgG heavy chain | Not Available | human IgG heavy chains | 4 | Details |
| IgG receptor FcRn large subunit p51 | Humans | Cell surface receptor that transfers passive humoral immunity from the mother to the newborn. Binds to the Fc region ... more | 9 | Details |
| Ileal sodium/bile acid cotransporter | Humans | Plays a critical role in the sodium-dependent reabsorption of bile acids from the lumen of the small intestine. Trans... more | 16 | Details |
| Immediate early protein IE1 | Human cytomegalovirus (strain Towne) | Plays an important role in transactivating viral early genes as well as activating its own promoter, probably by alte... more | 1 | Details |
| Immunoglobulin epsilon heavy chain | Humans | Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In... more | 2 | Details |
| Immunoglobulin G-binding protein G | Streptococcus sp. group G | Not Available | 1 | Details |
| Immunoglobulin gamma-1 heavy chain | Humans | Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In... more | 3 | Details |
| Immunoglobulin heavy constant alpha 1 | Humans | Constant region of immunoglobulin heavy chains. Immunoglobulins, also known as antibodies, are membrane-bound or secr... more | 2 | Details |
| Immunoglobulin heavy constant alpha 2 | Humans | Constant region of immunoglobulin heavy chains. Immunoglobulins, also known as antibodies, are membrane-bound or secr... more | 1 | Details |
| Immunoglobulin heavy constant epsilon | Humans | Constant region of immunoglobulin heavy chains. Immunoglobulins, also known as antibodies, are membrane-bound or secr... more | 6 | Details |
| Immunoglobulin heavy constant gamma 1 | Humans | Constant region of immunoglobulin (Ig) heavy chains. Igs are membrane-bound or secreted glycoproteins produced by B l... more | 25 | Details |
| Immunoglobulin heavy constant gamma 2 | Humans | Constant region of immunoglobulin (Ig) heavy chains. Igs are membrane-bound or secreted glycoproteins produced by B l... more | 11 | Details |
| Immunoglobulin heavy constant gamma 4 | Humans | Constant region of immunoglobulin (Ig) heavy chains. Igs are membrane-bound or secreted glycoproteins produced by B l... more | 3 | Details |