P450 Protein:
| P450 Symbol | CYP725A4 |
| Protein Name | Taxadiene 5-alpha hydroxylase |
| Uniprot ID | Q6WG30 |
| EC Number | 1.14.14.176 |
| Species | Taxus cuspidata (Japanese yew) |
| Txid | 99806 |
| P450 Protein Structure |
Model Confidence (pLDDT)
Very high (>90)
High (90 > 70)
Low (70 > 50)
Very low (<50)
|
| Subcellular Location | Membrane; Single-pass membrane protein |
| Protein Sequence | GO |
Reaction Scheme:
| Chemical Conversion | C20H32 + C17H21N4O9P-2 + O2 → C20H32O + C17H18N4O9P-3 + H2O + H+ |
| Reaction Type | Oxidation |
| Chemical Bond | CH2 |
| RheaID | 14049 |
CYP725A4
Substrate Information:
| Substrate Name | Taxadiene |
| Substrate Chemical Formula | C20H32 |
| Substrate PubChem CID | 443484 |
| Substrate Smiles | CC1=C2CC[C@@]3(CCC=C([C@H]3C[C@@H](C2(C)C)CC1)C)C |
| Substrate Structure |
| Substrate Name | FMNH2 |
| Substrate Chemical Formula | C17H21N4O9P-2 |
| Substrate PubChem CID | 44229161 |
| Substrate Smiles | CC1=CC2=C(C=C1C)N(C3=C(N2)C(=O)NC(=O)N3)C[C@@H]([C@@H]([C@@H](COP(=O)([O-])[O-])O)O)O |
| Substrate Structure |
| Substrate Name | O2 |
| Substrate Chemical Formula | O2 |
| Substrate PubChem CID | 977 |
| Substrate CAS Number | 7782-44-7 |
| Substrate Smiles | O=O |
| Substrate Structure |
Product Information:
| Product Name | Taxa-4(20),11-Dien-5Alpha-Ol |
| Product Chemical Formula | C20H32O |
| Product PubChem CID | 443485 |
| Product Smiles | CC1=C2CC[C@@]3(CC[C@@H](C(=C)[C@H]3C[C@@H](C2(C)C)CC1)O)C |
| Product Structure |
| Product Name | FMN |
| Product Chemical Formula | C17H18N4O9P-3 |
| Product PubChem CID | 44229199 |
| Product Smiles | CC1=CC2=C(C=C1C)N(C3=NC(=NC(=O)C3=N2)[O-])C[C@@H]([C@@H]([C@@H](COP(=O)([O-])[O-])O)O)O |
| Product Structure |
| Product Name | H2O |
| Product Chemical Formula | H2O |
| Product PubChem CID | 962 |
| Product CAS Number | 7732-18-5 |
| Product Smiles | O |
| Product Structure |
| Product Name | H+ |
| Product Chemical Formula | H+ |
| Product PubChem CID | 1038 |
| Product CAS Number | 12408-02-5 |
| Product Smiles | [H+] |
| Product Structure |
References:
| Title: | Cytochrome p450 taxadiene 5alpha-hydroxylase, a mechanistically unusual monooxygenase catalyzing the first oxygenation step of taxol biosynthesis. |
| PMID: | 15123267 |
| Journal: | Chemistry & biology |
| Year: | 2004/3/1 |