Target Binding Site Detail
| Target General Information | Top | ||||
|---|---|---|---|---|---|
| Target ID | T25703 | Target Info | |||
| Target Name | Heme oxygenase 1 (HMOX1) | ||||
| Synonyms | HO1; HO-1; HO | ||||
| Target Type | Clinical trial Target | ||||
| Gene Name | HMOX1 | ||||
| Biochemical Class | Paired donor oxygen oxidoreductase | ||||
| UniProt ID | |||||
| Ligand General Information | Top | ||||
|---|---|---|---|---|---|
| Ligand Name | Nitric oxide | Ligand Info | |||
| Canonical SMILES | [N]=O | ||||
| InChI | 1S/NO/c1-2 | ||||
| InChIKey | MWUXSHHQAYIFBG-UHFFFAOYSA-N | ||||
| PubChem Compound ID | 145068 | ||||
| Drug Binding Sites of Target | Top | |||||
|---|---|---|---|---|---|---|
| PDB ID: 1OZW Crystal Structures of the Ferric, Ferrous and Ferrous-NO Forms of the Asp140Ala Mutant of Human Heme Oxygenase-1: Catalytic Implications | ||||||
| Method | X-ray diffraction | Resolution | 1.55 Å | Mutation | No | [1] |
| PDB Sequence |
PQDLSEALKE
19 ATKEVHTQAE29 NAEFMRNFQK39 GQVTRDGFKL49 VMASLYHIYV59 ALEEEIERNK 69 ESPVFAPVYF79 PEELHRKAAL89 EQDLAFWYGP99 RWQEVIPYTP109 AMQRYVKRLH 119 EVGRTEPELL129 VAHAYTRYLG139 DLSGGQVLKK149 IAQKALDLPS159 SGEGLAFFTF 169 PNIASATKFK179 QLYRSRMNSL189 EMTPAVRQRV199 IEEAKTAFLL209 NIQLFEELQE 219 LLTH
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| PDB ID: 1OZL Crystal Structures of the Ferric, Ferrous, and Ferrous-NO Forms of the Asp140Ala Mutant of Human Heme Oxygenase-1: Catalytic Implications | ||||||
| Method | X-ray diffraction | Resolution | 1.58 Å | Mutation | Yes | [1] |
| PDB Sequence |
PQDLSEALKE
19 ATKEVHTQAE29 NAEFMRNFQK39 GQVTRDGFKL49 VMASLYHIYV59 ALEEEIERNK 69 ESPVFAPVYF79 PEELHRKAAL89 EQDLAFWYGP99 RWQEVIPYTP109 AMQRYVKRLH 119 EVGRTEPELL129 VAHAYTRYLG139 ALSGGQVLKK149 IAQKALDLPS159 SGEGLAFFTF 169 PNIASATKFK179 QLYRSRMNSL189 EMTPAVRQRV199 IEEAKTAFLL209 NIQLFEELQE 219 LLTH
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| PDB ID: 1XK3 NADPH- and Ascorbate-Supported Heme Oxygenase Reactions are Distinct. Regiospecificity of Heme Cleavage by the R183E Mutant | ||||||
| Method | X-ray diffraction | Resolution | 2.08 Å | Mutation | Yes | [2] |
| PDB Sequence |
PQDLSEALKE
19 ATKEVHTQAE29 NAEFMRNFQK39 GQVTRDGFKL49 VMASLYHIYV59 ALEEEIERNK 69 ESPVFAPVYF79 PEELHRKAAL89 EQDLAFWYGP99 RWQEVIPYTP109 AMQRYVKRLH 119 EVGRTEPELL129 VAHAYTRYLG139 DLSGGQVLKK149 IAQKALDLPS159 SGEGLAFFTF 169 PNIASATKFK179 QLYESRMNSL189 EMTPAVRQRV199 IEEAKTAFLL209 NIQLFEELQE 219 LLTH
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| PDB ID: 1TWR Crystal structures of ferrous and ferrous-NO forms of verdoheme in a complex with human heme oxygenase-1: catalytic implications for heme cleavage | ||||||
| Method | X-ray diffraction | Resolution | 2.10 Å | Mutation | No | [3] |
| PDB Sequence |
PQDLSEALKE
19 ATKEVHTQAE29 NAEFMRNFQK39 GQVTRDGFKL49 VMASLYHIYV59 ALEEEIERNK 69 ESPVFAPVYF79 PEELHRKAAL89 EQDLAFWYGP99 RWQEVIPYTP109 AMQRYVKRLH 119 EVGRTEPELL129 VAHAYTRYLG139 DLSGGQVLKK149 IAQKALDLPS159 SGEGLAFFTF 169 PNIASATKFK179 QLYRSRMNSL189 EMTPAVRQRV199 IEEAKTAFLL209 NIQLFEELQE 219 LLTH
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Click to Show 3D Structure of This Binding Site
set background white;style ions nothing; color 8e8e8e;style chemicals nothing; select .NO or .NO2 or .NO3 or :3NO;style chemicals stick;color identity;select .A:25 or .A:139 or .A:140 or .A:143 or .A:147; color #f3c393; zoom selection;set surface opacity 0.5;set surface Van der Waals surface;set mode all
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| PDB ID: 1XK0 Crystal Structures of the G139A, G139A-NO and G143H Mutants of Human Heme Oxygenase-1 | ||||||
| Method | X-ray diffraction | Resolution | 2.18 Å | Mutation | Yes | [4] |
| PDB Sequence |
PQDLSEALKE
19 ATKEVHTQAE29 NAEFMRNFQK39 GQVTRDGFKL49 VMASLYHIYV59 ALEEEIERNK 69 ESPVFAPVYF79 PEELHRKAAL89 EQDLAFWYGP99 RWQEVIPYTP109 AMQRYVKRLH 119 EVGRTEPELL129 VAHAYTRYLA139 DLSGGQVLKK149 IAQKALDLPS159 SGEGLAFFTF 169 PNIASATKFK179 QLYESRMNSL189 EMTPAVRQRV199 IEEAKTAFLL209 NIQLFEELQE 219 LLTH
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Click to Show 3D Structure of This Binding Site
set background white;style ions nothing; color 8e8e8e;style chemicals nothing; select .NO or .NO2 or .NO3 or :3NO;style chemicals stick;color identity;select .A:25 or .A:138 or .A:139 or .A:142 or .A:143; color #00ffc7; zoom selection;set surface opacity 0.5;set surface Van der Waals surface;set mode all
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| References | Top | ||||
|---|---|---|---|---|---|
| REF 1 | Crystal structures of the ferric, ferrous, and ferrous-NO forms of the Asp140Ala mutant of human heme oxygenase-1: catalytic implications. J Mol Biol. 2003 Jul 11;330(3):527-38. | ||||
| REF 2 | Regiospecificity determinants of human heme oxygenase: differential NADPH- and ascorbate-dependent heme cleavage by the R183E mutant. J Biol Chem. 2005 Jan 28;280(4):2797-806. | ||||
| REF 3 | Crystal structures of ferrous and ferrous-NO forms of verdoheme in a complex with human heme oxygenase-1: catalytic implications for heme cleavage. J Inorg Biochem. 2004 Nov;98(11):1686-95. | ||||
| REF 4 | Crystal structures of the G139A, G139A-NO and G143H mutants of human heme oxygenase-1. A finely tuned hydrogen-bonding network controls oxygenase versus peroxidase activity. J Biol Inorg Chem. 2005 Mar;10(2):138-46. | ||||
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