| 细胞色素b5 |
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| 標誌 | Cyt_B5 |
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| Pfam | PF00173（旧版） |
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| InterPro | IPR001199 |
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| PROSITE | PDOC00170 |
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| Pfam | 結構（旧版） / ECOD |
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| PDB | RCSB PDB; PDBe; PDBj |
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| PDBsum | 結構概要 |
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| PDB | 1aqa, 1aw3, 1awp, 1axx, 1b5a, 1b5b, 1b5m, 1bfx, 1blv, 1cxy, 1cyo, 1do9, 1ehb, 1es1, 1eue, 1f03, 1f04, 1fcb, 1hko, 1i5u, 1i87, 1i8c, 1ib7, 1icc, 1iet, 1ieu, 1j03, 1j0q, 1jex, 1kbi, 1kbj, 1lco, 1ldc, 1lj0, 1lqx, 1lr6, 1ltd, 1m20, 1m2i, 1m2m, 1m59, 1mj4, 1mny, 1nx7, 1qcw, 1sh4, 1sox, 1sze, 1szf, 1szg, 1t0g, 1u9m, 1u9u, 1x3x, 2axx, 2i89, 2ibj, 2oz0 |
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细胞色素b5[1]（英語：Cytochrome b5）是一种存在于动物、植物、真菌以及紫色光养菌中遍及的电子传递血红素蛋白。该细胞色素于微粒体及线粒体中的变体是与膜相结合的，而细菌、红细胞以及其他动物组织中的却是水溶性的。
- Lederer, F. The cytochrome b5-fold: an adaptable module. Biochimie. 1994, 76 (7): 674–692. PMID 7893819. doi:10.1016/0300-9084(94)90144-9.
- Napier, J.A., Michaelson, L.V. and Sayanova, O. The role of cytochrome b5 fusion desaturases in the synthesis of polyunsaturated fatty acids. Prostaglandins, Leukotrienes and Essential Fatty Acids. 2003, 68 (2): 135–143. PMID 12538077. doi:10.1016/S0952-3278(02)00263-6.
- Rivera, M., Barillas-Mury, C., Christensen, K.A., Little, J.W., Wells, M.A. and Walker, F.A. Gene synthesis, bacterial expression, and 1H NMR spectroscopic studies of the rat outer mitochondrial membrane cytochrome b5. Biochemistry. 1992, 31 (48): 12233–12240. PMID 1333795. doi:10.1021/bi00163a037.
- Schenkman, J.B. and Jansson, I. The many roles of cytochrome b5. Pharmacol. Ther. 2003, 97 (2): 139–152. PMID 12559387. doi:10.1016/S0163-7258(02)00327-3.
- PDB: 1B5A - Solution structure of rat cytochrome b5 (form A)
- PDB: 1B5B - Solution structure of rat cytochrome b5 (form B)
- PDB: 1CXY - X-ray structure of cytochrome b558 from Ectothiorhodospira vacuolata
- OMIM 250790 - Methemoglobinemia due to deficiency of cytochrome b5
