| OKD # | Gene | Species | Date modified |
| 1904 | HE4, WFDC2 | human. | 2010-05-29 08:17:32 |
| 1513 | HEAT-SHOCK TRANSCRIPTION FACTOR 2; HSF2 | human. | 2006-09-20 16:35:27 |
| 1397 | HEPATOCYTE NUCLEAR FACTOR 4-ALPHA; HNF4A | human. | 2002-01-16 20:14:17 |
| 3687 | HFM1, ATP-dependent DNA helicase homolog (S. cerevisiae) | human. | 2007-02-14 06:29:36 |
| 4782 | HIR histone cell cycle regulation defective homolog A (S. cerevisiae) | human. | 2012-10-30 11:23:19 |
| 4357 | HORMA domain containing 1 | human. | 2012-05-02 10:16:56 |
| 4680 | HORMA domain containing 2 | human. | 2012-10-10 10:30:22 |
| 2475 | HRP48 | D. melanogaster. | 2004-05-12 06:29:43 |
| 6 | HSD3B2 | human. | 2011-03-30 13:46:59 |
| 1580 | HSDL1; hydroxysteroid dehydrogenase like 1 | human. | 2002-08-17 09:04:26 |
| 1905 | HSDL2, hydroxysteroid dehydrogenase like 2 | human. | 2003-07-09 09:41:44 |
| 1430 | HSP25; heat shock protein 25 | mouse. | 2002-02-02 15:57:33 |
| 1446 | HYALURONAN SYNTHASE 3; HAS3 | human. | 2002-03-04 16:37:34 |
| 2314 | HYPOCRETIN; HCRT | human. | 2013-01-30 10:24:23 |
| 3826 | Hairy/enhancer Of Split, Drosophila, Homolog Of, 1 | human. | 2013-04-23 11:50:53 |
| 2714 | Hairy/enhancer Of Split-related With Yrpw Motif 1 | human. | 2010-05-03 16:24:07 |
| 3996 | Hairy/enhancer Of Split-related With Yrpw Motif-like Protein | human. | 2009-02-27 15:57:32 |
| 1069 | Heat-shock 10-kd Protein | human. | 2010-09-15 10:52:31 |
| 2780 | Heat-shock 27-kd Protein 1 | human. | 2010-05-17 20:53:47 |
| 554 | Heat-shock 27-kd Protein 2 | human. | 2009-09-16 07:35:58 |
| 3360 | Heat-shock 60-kd Protein 1 | human. | 2006-07-26 15:20:29 |
| 3632 | Heat-shock 70-kd Protein 14 | human. | 2006-10-30 16:46:56 |
| 400 | Heat-shock 70-kd Protein 2 | human. | 2006-07-26 15:14:23 |
| 2460 | Heat-shock 70-kd Protein 8 | human. | 2006-07-26 15:10:42 |
| 3361 | Heat-shock 90-kd Protein 1, Alpha | human. | 2013-05-15 15:39:24 |
| 1599 | Heat-shock Protein, 90-kd, Beta, 1 | human. | 2008-11-26 08:03:50 |
| 3577 | Heat-shock Transcription Factor 1 | human. | 2011-06-29 16:19:42 |
| 893 | Hect Domain And Rcc1-like Domain 2 | human. | 2010-04-07 12:02:55 |
| 1149 | Hedgehog | D. melanogaster. | 2001-08-13 15:36:52 |
| 3664 | Helicase, Lymphoid-specific | human. | 2006-11-29 10:06:17 |
| 2104 | Hematopoietic Progenitor Cell Antigen Cd34 | human. | 2012-09-13 16:24:46 |
| 1014 | Hematopoietically Expressed Homeo Box | human. | 2006-04-13 10:04:11 |
| 2986 | Hemoglobin--epsilon Locus | human. | 2006-01-11 12:11:33 |
| 499 | Hemopexin | human. | 2010-01-23 08:27:21 |
| 3662 | Heparan Sulfate D-glucosaminyl 3-o-sulfotransferase 1 | human. | 2006-11-25 10:10:47 |
| 1182 | Heparan Sulfate Proteoglycan Of Basement Membrane | human. | 2012-07-06 11:57:11 |
| 2015 | Heparanase | human. | 2008-10-02 09:50:38 |
| 1564 | Heparin-binding Egf-like Growth Factor | human. | 2007-04-04 07:47:24 |
| 2925 | Hepatitis B Virus X-associated Protein | human. | 2005-10-04 05:41:27 |
| 882 | Hepatocyte Growth Factor | human. | 2010-08-19 17:39:06 |
| 64 | Hepatoma-derived Growth Factor | human. | 2011-10-13 11:43:17 |
| 3419 | Heterogeneous Nuclear Ribonucleoprotein A1 | human. | 2010-04-02 14:50:47 |
| 4256 | Heterogeneous Nuclear Ribonucleoprotein A2/b1 | human. | 2010-03-19 12:23:23 |
| 4257 | Heterogeneous Nuclear Ribonucleoprotein A3 | human. | 2010-03-19 12:23:49 |
| 2028 | Heterogeneous Nuclear Ribonucleoprotein C | human. | 2003-07-26 20:34:14 |
| 4103 | Heterogeneous Nuclear Ribonucleoprotein K | human. | 2011-01-05 10:24:16 |
| 925 | Hexabrachion | human. | 2006-02-08 10:24:30 |
| 3500 | Hexokinase 1 | human. | 2010-10-27 09:41:28 |
| 4017 | Hexokinase 2 | human. | 2010-10-27 09:41:55 |
| 3346 | High Mobility Group At-hook 1 | human. | 2006-07-26 14:40:41 |