Cytochrome P450 11B1, mitochondrial

NameCytochrome P450 11B1, mitochondrial
Synonyms
  • CYPXIB1
  • Cytochrome P-450c11
  • Cytochrome P450C11
  • S11BH
  • Steroid 11-beta-hydroxylase
Gene NameCYP11B1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0037064|Cytochrome P450 11B1, mitochondrial
MALRAKAEVCMAVPWLSLQRAQALGTRAARVPRTVLPFEAMPRRPGNRWLRLLQIWREQG
YEDLHLEVHQTFQELGPIFRYDLGGAGMVCVMLPEDVEKLQQVDSLHPHRMSLEPWVAYR
QHRGHKCGVFLLNGPEWRFNRLRLNPEVLSPNAVQRFLPMVDAVARDFSQALKKKVLQNA
RGSLTLDVQPSIFHYTIEASNLALFGERLGLVGHSPSSASLNFLHALEVMFKSTVQLMFM
PRSLSRWTSPKVWKEHFEAWDCIFQYGDNCIQKIYQELAFSRPQQYTSIVAELLLNAELS
PDAIKANSMELTAGSVDTTVFPLLMTLFELARNPNVQQALRQESLAAAASISEHPQKATT
ELPLLRAALKETLRLYPVGLFLERVASSDLVLQNYHIPAGTLVRVFLYSLGRNPALFPRP
ERYNPQRWLDIRGSGRNFYHVPFGFGMRQCLGRRLAEAEMLLLLHHVLKHLQVETLTQED
IKMVYSFILRPSMFPLLTFRAIN
Number of residues503
Molecular Weight57572.44
Theoretical pI9.42
GO Classification
Functions
  • iron ion binding
  • heme binding
  • oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen
  • corticosterone 18-monooxygenase activity
  • steroid 11-beta-monooxygenase activity
Processes
  • sterol metabolic process
  • cellular response to peptide hormone stimulus
  • aldosterone biosynthetic process
  • cellular response to potassium ion
  • cortisol biosynthetic process
  • immune response
  • secondary metabolite biosynthetic process
  • small molecule metabolic process
  • glucose homeostasis
  • oxidation-reduction process
  • steroid metabolic process
  • glucocorticoid biosynthetic process
  • cellular response to hormone stimulus
  • cholesterol metabolic process
  • xenobiotic metabolic process
  • regulation of blood pressure
  • C21-steroid hormone biosynthetic process
Components
  • mitochondrion
  • mitochondrial inner membrane
General FunctionSteroid 11-beta-monooxygenase activity
Specific FunctionHas steroid 11-beta-hydroxylase activity. In addition to this activity, the 18 or 19-hydroxylation of steroids and the aromatization of androstendione to estrone have also been ascribed to cytochrome P450 XIB.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID181333
UniProtKB IDP15538
UniProtKB Entry NameC11B1_HUMAN
Cellular LocationMitochondrion membrane
Gene sequence
>lcl|BSEQ0016190|Cytochrome P450 11B1, mitochondrial (CYP11B1)
ATGGCACTCAGGGCAAAGGCAGAGGTGTGCATGGCAGTGCCCTGGCTGTCCCTGCAAAGG
GCACAGGCACTGGGCACGAGAGCCGCCCGGGTCCCCAGGACAGTGCTGCCCTTTGAAGCC
ATGCCCCGGCGTCCAGGCAACAGGTGGCTGAGGCTGCTGCAGATCTGGAGGGAGCAGGGT
TATGAGGACCTGCACCTGGAAGTACACCAGACCTTCCAGGAACTAGGGCCCATTTTCAGG
TACGACTTGGGAGGAGCAGGCATGGTGTGTGTGATGCTGCCGGAGGACGTGGAGAAGCTG
CAACAGGTGGACAGCCTGCATCCCCACAGGATGAGCCTGGAGCCCTGGGTGGCCTACAGA
CAACATCGTGGGCACAAATGTGGCGTGTTCTTGCTGAATGGGCCTGAATGGCGCTTCAAC
CGATTGCGGCTGAATCCAGAAGTGCTGTCGCCCAACGCTGTGCAGAGGTTCCTCCCGATG
GTGGATGCAGTGGCCAGGGACTTCTCCCAGGCCCTGAAGAAGAAGGTGCTGCAGAACGCC
CGGGGGAGCCTGACCCTGGACGTCCAGCCCAGCATCTTCCACTACACCATAGAAGCCAGC
AACTTGGCTCTTTTTGGAGAGCGGCTGGGCCTGGTTGGCCACAGCCCCAGTTCTGCCAGC
CTGAACTTCCTCCATGCCCTGGAGGTCATGTTCAAATCCACCGTCCAGCTCATGTTCATG
CCCAGGAGCCTGTCTCGCTGGACCAGCCCCAAGGTGTGGAAGGAGCACTTTGAGGCCTGG
GACTGCATCTTCCAGTACGGCGACAACTGTATCCAGAAAATCTATCAGGAACTGGCCTTC
AGCCGCCCTCAACAGTACACCAGCATCGTGGCGGAGCTCCTGTTGAATGCGGAACTGTCG
CCAGATGCCATCAAGGCCAACTCTATGGAACTCACTGCAGGGAGCGTGGACACGACGGTG
TTTCCCTTGCTGATGACGCTCTTTGAGCTGGCTCGGAACCCCAACGTGCAGCAGGCCCTG
CGCCAGGAGAGCCTGGCCGCCGCAGCCAGCATCAGTGAACATCCCCAGAAGGCAACCACC
GAGCTGCCCTTGCTGCGTGCGGCCCTCAAGGAGACCTTGCGGCTCTACCCTGTGGGTCTG
TTTCTGGAGCGAGTGGCGAGCTCAGACTTGGTGCTTCAGAACTACCACATCCCAGCTGGG
ACATTGGTGCGCGTGTTCCTCTACTCTCTGGGTCGCAACCCCGCCTTGTTCCCGAGGCCT
GAGCGCTATAACCCCCAGCGCTGGCTAGACATCAGGGGCTCCGGCAGGAACTTCTACCAC
GTGCCCTTTGGCTTTGGCATGCGCCAGTGCCTTGGGCGGCGCCTGGCAGAGGCAGAGATG
CTGCTGCTGCTGCACCATGTGCTGAAACACCTCCAGGTGGAGACACTAACCCAAGAGGAC
ATAAAGATGGTCTACAGCTTCATATTGAGGCCCAGCATGTTCCCCCTCCTCACCTTCAGA
GCCATCAACTAA
GenBank Gene IDM32879
GeneCard IDNot Available
GenAtlas IDCYP11B1
HGNC IDHGNC:2591
Chromosome Location8
Locus8q21
References
  1. Mornet E, Dupont J, Vitek A, White PC: Characterization of two genes encoding human steroid 11 beta-hydroxylase (P-450(11) beta). J Biol Chem. 1989 Dec 15;264(35):20961-7. 2592361
  2. Kawamoto T, Mitsuuchi Y, Toda K, Miyahara K, Yokoyama Y, Nakao K, Hosoda K, Yamamoto Y, Imura H, Shizuta Y: Cloning of cDNA and genomic DNA for human cytochrome P-45011 beta. FEBS Lett. 1990 Sep 3;269(2):345-9. 2401360
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  5. Naiki Y, Kawamoto T, Mitsuuchi Y, Miyahara K, Toda K, Orii T, Imura H, Shizuta Y: A nonsense mutation (TGG [Trp116]-->TAG [Stop]) in CYP11B1 causes steroid 11 beta-hydroxylase deficiency. J Clin Endocrinol Metab. 1993 Dec;77(6):1677-82. 7903314
  6. Chua SC, Szabo P, Vitek A, Grzeschik KH, John M, White PC: Cloning of cDNA encoding steroid 11 beta-hydroxylase (P450c11). Proc Natl Acad Sci U S A. 1987 Oct;84(20):7193-7. 3499608
  7. Kawamoto T, Mitsuuchi Y, Toda K, Yokoyama Y, Miyahara K, Miura S, Ohnishi T, Ichikawa Y, Nakao K, Imura H, et al.: Role of steroid 11 beta-hydroxylase and steroid 18-hydroxylase in the biosynthesis of glucocorticoids and mineralocorticoids in humans. Proc Natl Acad Sci U S A. 1992 Feb 15;89(4):1458-62. 1741400
  8. White PC, Dupont J, New MI, Leiberman E, Hochberg Z, Rosler A: A mutation in CYP11B1 (Arg-448----His) associated with steroid 11 beta-hydroxylase deficiency in Jews of Moroccan origin. J Clin Invest. 1991 May;87(5):1664-7. 2022736
  9. Joehrer K, Geley S, Strasser-Wozak EM, Azziz R, Wollmann HA, Schmitt K, Kofler R, White PC: CYP11B1 mutations causing non-classic adrenal hyperplasia due to 11 beta-hydroxylase deficiency. Hum Mol Genet. 1997 Oct;6(11):1829-34. 9302260
  10. Loidi L, Quinteiro C, Barros F, Dominguez F, Barreiro J, Pombo M: The C494F variant in the CYP11B1 gene is a sequence polymorphism in the Spanish population. J Clin Endocrinol Metab. 1999 Dec;84(12):4749. 10599751
  11. Cargill M, Altshuler D, Ireland J, Sklar P, Ardlie K, Patil N, Shaw N, Lane CR, Lim EP, Kalyanaraman N, Nemesh J, Ziaugra L, Friedland L, Rolfe A, Warrington J, Lipshutz R, Daley GQ, Lander ES: Characterization of single-nucleotide polymorphisms in coding regions of human genes. Nat Genet. 1999 Jul;22(3):231-8. 10391209
  12. Halushka MK, Fan JB, Bentley K, Hsie L, Shen N, Weder A, Cooper R, Lipshutz R, Chakravarti A: Patterns of single-nucleotide polymorphisms in candidate genes for blood-pressure homeostasis. Nat Genet. 1999 Jul;22(3):239-47. 10391210
  13. Grigorescu Sido A, Weber MM, Grigorescu Sido P, Clausmeyer S, Heinrich U, Schulze E: 21-Hydroxylase and 11beta-hydroxylase mutations in Romanian patients with classic congenital adrenal hyperplasia. J Clin Endocrinol Metab. 2005 Oct;90(10):5769-73. Epub 2005 Jul 26. 16046588
  14. Kharrat M, Trabelsi S, Chaabouni M, Maazoul F, Kraoua L, Ben Jemaa L, Gandoura N, Barsaoui S, Morel Y, M'rad R, Chaabouni H: Only two mutations detected in 15 Tunisian patients with 11beta-hydroxylase deficiency: the p.Q356X and the novel p.G379V. Clin Genet. 2010 Oct;78(4):398-401. doi: 10.1111/j.1399-0004.2010.01403.x. 20331679
  15. Parajes S, Loidi L, Reisch N, Dhir V, Rose IT, Hampel R, Quinkler M, Conway GS, Castro-Feijoo L, Araujo-Vilar D, Pombo M, Dominguez F, Williams EL, Cole TR, Kirk JM, Kaminsky E, Rumsby G, Arlt W, Krone N: Functional consequences of seven novel mutations in the CYP11B1 gene: four mutations associated with nonclassic and three mutations causing classic 11{beta}-hydroxylase deficiency. J Clin Endocrinol Metab. 2010 Feb;95(2):779-88. doi: 10.1210/jc.2009-0651. Epub 2010 Jan 20. 20089618
  16. Wu C, Zhou Q, Wan L, Ni L, Zheng C, Qian Y, Jin J: Novel homozygous p.R454C mutation in the CYP11B1 gene leads to 11beta-hydroxylase deficiency in a Chinese patient. Fertil Steril. 2011 Mar 1;95(3):1122.e3-6. doi: 10.1016/j.fertnstert.2010.09.035. Epub 2010 Oct 14. 20947076
  17. Reisch N, Hogler W, Parajes S, Rose IT, Dhir V, Gotzinger J, Arlt W, Krone N: A diagnosis not to be missed: nonclassic steroid 11beta-hydroxylase deficiency presenting with premature adrenarche and hirsutism. J Clin Endocrinol Metab. 2013 Oct;98(10):E1620-5. doi: 10.1210/jc.2013-1306. Epub 2013 Aug 12. 23940125
  18. Polat S, Kulle A, Karaca Z, Akkurt I, Kurtoglu S, Kelestimur F, Grotzinger J, Holterhus PM, Riepe FG: Characterisation of three novel CYP11B1 mutations in classic and non-classic 11beta-hydroxylase deficiency. Eur J Endocrinol. 2014 Apr 10;170(5):697-706. doi: 10.1530/EJE-13-0737. Print 2014 May. 24536089
  19. Menabo S, Polat S, Baldazzi L, Kulle AE, Holterhus PM, Grotzinger J, Fanelli F, Balsamo A, Riepe FG: Congenital adrenal hyperplasia due to 11-beta-hydroxylase deficiency: functional consequences of four CYP11B1 mutations. Eur J Hum Genet. 2014 May;22(5):610-6. doi: 10.1038/ejhg.2013.197. Epub 2013 Sep 11. 24022297
  20. Mooij CF, Parajes S, Rose IT, Taylor AE, Bayraktaroglu T, Wass JA, Connell JM, Ray DW, Arlt W, Krone N: Characterization of the molecular genetic pathology in patients with 11beta-hydroxylase deficiency. Clin Endocrinol (Oxf). 2015 Nov;83(5):629-35. doi: 10.1111/cen.12834. Epub 2015 Jul 14. 26053152