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Version 2.5
Creation Date 2007-09-07 21:04:49
Update Date 2009-02-19 16:04:40
Primary Accession Number DB04573
Secondary Accession Number
  • EXPT01361
Name Estriol
Drug Type
  • Approved
  • Small Molecule
Description A hydroxylated metabolite of estradiol or estrone that has a hydroxyl group at C3-beta, 16-alpha, and 17-beta position. Estriol is a major urinary estrogen. During pregnancy, large amount of estriol is produced by the placenta. Isomers with inversion of the hydroxyl group or groups are called epiestriol.
Synonyms
  1. (16alpha,17beta)-Oestra-1,3,5(10)-triene-3,16,17-triol
  2. (16alpha,17beta)-estra-1,3,5(10)-triene-3,16,17-triol
  3. 1,3,5(10)-Estratriene-3,16,17-Triol
  4. 1,3,5(10)-Estratriene-3,16alpha,17beta-triol
  5. 1,3,5-Estratriene-3beta,16alpha,17beta-triol
  6. 1,3,5-Oestratriene-3beta,16alpha,17beta-triol
  7. 16-alpha,17-beta-Estriol
  8. 16-alpha,17-beta-Oestriol
  9. 16-alpha-Hydroxyestradiol
  10. 16-alpha-Hydroxyoestradiol
  11. 16alpha,17beta-Estriol
  12. 16alpha,17beta-Oestriol
  13. 16alpha-Hydroxy-17beta-estradiol
  14. 16alpha-Hydroxyoestradiol
  15. 16alpha-hydroxyestradiol
  16. 3,16-alpha,17-beta-Estriol
  17. 3,16-alpha,17-beta-Oestriol
  18. 3,16-alpha,17-beta-Trihydroxy-delta-1,3,5-estratriene
  19. 3,16-alpha,17-beta-Trihydroxy-delta-1,3,5-oestratriene
  20. 3,16-alpha,17-beta-Trihydroxyestra-1,3,5(10)-triene
  21. 3,16-alpha,17-beta-Trihydroxyoestra-1,3,5(10)-triene
  22. 3,16alpha,17beta-Estriol
  23. 3,16alpha,17beta-Trihydroxy-1,3,5(10)-estratriene
  24. 3,16alpha,17beta-Trihydroxy-delta-1,3,5-oestratriene
  25. 3,16alpha,17beta-trihydroxy-Delta(1,3,5)-estratriene
  26. ESL
  27. Estra-1,3,5(10)-trien-3,16alpha,17beta-triol
  28. Estra-1,3,5(10)-triene-3,16,17-triol
  29. Estratriol
  30. Estriolo [italian]
  31. Oestra-1,3,5(10)-triene-3,16alpha,17beta-triol
  32. Oestriol
  33. Oestriolum
  34. Ovestrion
  35. Tridestrin
Brand Names
  1. Deuslon-A
  2. Estriel
Brand Mixtures Not Available
Chemical IUPAC Name (8R,9S,13S,14S,16R,17R)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,16,17-triol
Chemical Formula C18H24O3
Chemical Structure Structure
CAS Registry Number 50-27-1
InChI Identifier InChI=1/C18H24O3/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)21/h3,5,8,13-17,19-21H,2,4,6-7,9H2,1H3/t13-,14-,15+,16-,17+,18+/m1/s1
InChI Key PROQIPRRNZUXQM-ZXXIGWHRBN
KEGG Drug D00185 Link Image
KEGG Compound C05141 Link Image
PubChem Compound 5756 Link Image
PubChem Substance 14897919 Link Image
ChEBI ID 27974 Link Image
PharmGKB ID Not Available
HET ID ESL Link Image
GenBank ID Not Available
Drug ID Number [DIN] Not Available
RxList Link Not Available
PDRhealth Link Not Available
Wikipedia Link http://en.wikipedia.org/wiki/Estriol Link Image
FDA Label Not Available
Material Safety Data Sheet (MSDS)
Synthesis Reference Not Available
Average Molecular Weight 288.3814
Monoisotopic Molecular Weight 288.1725
State Solid
Melting Point 282 oC
Experimental Water Solubility Not Available Source: PhysProp
Predicted Water Solubility 1.19e-01 mg/mL Calculated using ALOGPS
Experimental LogP/Hydrophobicity 2.45 [HANSCH,C ET AL. (1995)] Source: PhysProp
Predicted LogP 2.54 Calculated using ALOGPS
Experimental LogS Not Available
Predicted LogS -3.38 Calculated using ALOGPS
Experimental Caco2 Permeability Not Available
pKa/Isoelectric Point Not Available
Mass Spectrum Not Available
MOL File Show Link Image | Download Link Image
SDF File Show Link Image | Download Link Image
PDB File Show Link Image | Download Link Image
2D Structure
3D Structure
Experimental PDB ID Not Available
Isomeric SMILES C[C@]12CC[C@H]3[C@@H](CCC4=C3C=CC(O)=C4)[C@@H]1C[C@@H](O)[C@@H]2O
Canonical SMILES CC12CCC3C(CCC4=C3C=CC(O)=C4)C1CC(O)C2O
Drug Category
  • Estrogens
ATC Codes Not Available
AHFS Codes Not Available
Indication Used as a test to determine the general health of an unborn fetus.
Pharmacology Estriol (also oestriol) is one of the three main estrogens produced by the human body. It is only produced in significant amounts during pregnancy as it is made by the placenta. In pregnant women with multiple sclerosis (MS), estriol reduces the disease's symptoms noticeably, according to researchers at UCLA's Geffen Medical School.
Mechanism of Action Estriol levels can be measured to give an indication of the general health of the fetus. DHEA-S is produced by the adrenal cortex of the fetus. This is converted to estriol by the placenta. If levels of "unconjugated estriol" are abnormally low in a pregnant woman, this may indicate a problem with the development of the child.
Absorption Not Available
Toxicity ORAL (LD50): Acute: >2000 mg/kg [Rat].
Protein Binding Not Available
Biotransformation Not Available
Half Life Not Available
Dosage Forms Not Available
Patient Information Not Available
Contraindications Not Available
Interactions Not Available
Drug Interactions Not Available
Food Interactions Not Available
Pathways Not Available
General References
  1. Wikipedia Link Image
Organisms Affected
  • Humans and other mammals
Targets
  1. Estrogen receptor
  2. Cytochrome P450 51
Drug Target 1 [top]
Target 1 ID 136
Target 1 Name Estrogen receptor
Target 1 Synonyms
  1. ER
  2. ER-alpha
  3. Estradiol receptor
Target 1 Gene Name ESR1
Target 1 Protein Sequence >Estrogen receptor 
MTMTLHTKASGMALLHQIQGNELEPLNRPQLKIPLERPLGEVYLDSSKPAVYNYPEGAAY
EFNAAAAANAQVYGQTGLPYGPGSEAAAFGSNGLGGFPPLNSVSPSPLMLLHPPPQLSPF
LQPHGQQVPYYLENEPSGYTVREAGPPAFYRPNSDNRRQGGRERLASTNDKGSMAMESAK
ETRYCAVCNDYASGYHYGVWSCEGCKAFFKRSIQGHNDYMCPATNQCTIDKNRRKSCQAC
RLRKCYEVGMMKGGIRKDRRGGRMLKHKRQRDDGEGRGEVGSAGDMRAANLWPSPLMIKR
SKKNSLALSLTADQMVSALLDAEPPILYSEYDPTRPFSEASMMGLLTNLADRELVHMINW
AKRVPGFVDLTLHDQVHLLECAWLEILMIGLVWRSMEHPGKLLFAPNLLLDRNQGKCVEG
MVEIFDMLLATSSRFRMMNLQGEEFVCLKSIILLNSGVYTFLSSTLKSLEEKDHIHRVLD
KITDTLIHLMAKAGLTLQQQHQRLAQLLLILSHIRHMSNKGMEHLYSMKCKNVVPLYDLL
LEMLDAHRLHAPTSRGGASVEETDQSHLATAGSTSSHSLQKYYITGEAEGFPATV
Target 1 Number of Residues 604
Target 1 Molecular Weight 66217
Target 1 Theoretical pI 8.14
Target 1 GO Classification
Function
ion binding
cation binding
transition metal ion binding
zinc ion binding
steroid binding
signal transducer activity
receptor activity
ligand-dependent nuclear receptor activity
steroid hormone receptor activity
binding
nucleic acid binding
DNA binding
transcription factor activity
Process
regulation of biological process
regulation of physiological process
regulation of metabolism
regulation of cellular metabolism
regulation of nucleobase, nucleoside, nucleotide and nucleic acid metabolism
regulation of transcription
regulation of transcription, DNA-dependent
Component
organelle
membrane-bound organelle
intracellular membrane-bound organelle
nucleus
Target 1 General Function Involved in transcription factor activity
Target 1 Specific Function Nuclear hormone receptor. The steroid hormones and their receptors are involved in the regulation of eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues
Target 1 Pathways Not Available
Target 1 Reactions Not Available
Target 1 Pfam Domain Function
Target 1 Signals
  • None
Target 1 Transmembrane Regions
  • None
Target 1 Essentiality Non-Essential
Target 1 GenBank ID Protein 31234 Link Image
Target 1 UniProtKB/Swiss-Prot ID P03372 Link Image
Target 1 UniProtKB/Swiss-Prot Entry Name ESR1_HUMAN Link Image
Target 1 PDB ID 1R5K Link Image
Target 1 PDB File Show
Target 1 3D Structure
Target 1 Cellular Location
  • Nucleus
Target 1 Gene Sequence >1788 bp 
ATGACCATGACCCTCCACACCAAAGCATCTGGGATGGCCCTACTGCATCAGATCCAAGGG
AACGAGCTGGAGCCCCTGAACCGTCCGCAGCTCAAGATCCCCCTGGAGCGGCCCCTGGGC
GAGGTGTACCTGGACAGCAGCAAGCCCGCCGTGTACAACTACCCCGAGGGCGCCGCCTAC
GAGTTCAACGCCGCGGCCGCCGCCAACGCGCAGGTCTACGGTCAGACCGGCCTCCCCTAC
GGCCCCGGGTCTGAGGCTGCGGCGTTCGGCTCCAACGGCCTGGGGGGTTTCCCCCCACTC
AACAGCGTGTCTCCGAGCCCGCTGATGCTACTGCACCCGCCGCCGCAGCTGTCGCCTTTC
CTGCAGCCCCACGGCCAGCAGGTGCCCTACTACCTGGAGAACGAGCCCAGCGGCTACACG
GTGCGCGAGGCCGGCCCGCCGGCATTCTACAGGCCAAATTCAGATAATCGACGCCAGGGT
GGCAGAGAAAGATTGGCCAGTACCAATGACAAGGGAAGTATGGCTATGGAATCTGCCAAG
GAGACTCGCTACTGTGCAGTGTGCAATGACTATGCTTCAGGCTACCATTATGGAGTCTGG
TCCTGTGAGGGCTGCAAGGCCTTCTTCAAGAGAAGTATTCAAGGACATAACGACTATATG
TGTCCAGCCACCAACCAGTGCACCATTGATAAAAACAGGAGGAAGAGCTGCCAGGCCTGC
CGGCTCCGCAAATGCTACGAAGTGGGAATGATGAAAGGTGGGATACGAAAAGACCGAAGA
GGAGGGAGAATGTTGAAACACAAGCGCCAGAGAGATGATGGGGAGGGCAGGGGTGAAGTG
GGGTCTGCTGGAGACATGAGAGCTGCCAACCTTTGGCCAAGCCCGCTCATGATCAAACGC
TCTAAGAAGAACAGCCTGGCCTTGTCCCTGACGGCCGACCAGATGGTCAGTGCCTTGTTG
GATGCTGAGCCCCCCATACTCTATTCCGAGTATGATCCTACCAGACCCTTCAGTGAAGCT
TCGATGATGGGCTTACTGACCAACCTGGCAGACAGGGAGCTGGTTCACATGATCAACTGG
GCGAAGAGGGTGCCAGGCTTTGTGGATTTGACCCTCCATGATCAGGTCCACCTTCTAGAA
TGTGCCTGGCTAGAGATCCTGATGATTGGTCTCGTCTGGCGCTCCATGGAGCACCCAGTG
AAGCTACTGTTTGCTCCTAACTTGCTCTTGGACAGGAACCAGGGAAAATGTGTAGAGGGC
ATGGTGGAGATCTTCGACATGCTGCTGGCTACATCATCTCGGTTCCGCATGATGAATCTG
CAGGGAGAGGAGTTTGTGTGCCTCAAATCTATTATTTTGCTTAATTCTGGAGTGTACACA
TTTCTGTCCAGCACCCTGAAGTCTCTGGAAGAGAAGGACCATATCCACCGAGTCCTGGAC
AAGATCACAGACACTTTGATCCACCTGATGGCCAAGGCAGGCCTGACCCTGCAGCAGCAG
CACCAGCGGCTGGCCCAGCTCCTCCTCATCCTCTCCCACATCAGGCACATGAGTAACAAA
GGCATGGAGCATCTGTACAGCATGAAGTGCAAGAACGTGGTGCCCCTCTATGACCTGCTG
CTGGAGATGCTGGACGCCCACCGCCTACATGCGCCCACTAGCCGTGGAGGGGCATCCGTG
GAGGAGACGGACCAAAGCCACTTGGCCACTGCGGGCTCTACTTCATCGCATTCCTTGCAA
AAGTATTACATCACGGGGGAGGCAGAGGGTTTCCCTGCCACAGTCTGA
Target 1 GenBank Gene ID
Target 1 GeneCard ID ESR1 Link Image
Target 1 GenAtlas ID ESR1 Link Image
Target 1 HGNC ID HGNC:3467 Link Image
Target 1 Chromosome Location 6
Target 1 Locus 6q25.1
Target 1 SNPs SNPJam Report Link Image
Target 1 General References
  1. Montano MM, Ekena K, Delage-Mourroux R, Chang W, Martini P, Katzenellenbogen BS: An estrogen receptor-selective coregulator that potentiates the effectiveness of antiestrogens and represses the activity of estrogens. Proc Natl Acad Sci U S A. 1999 Jun 8;96(12):6947-52. [PubMed Link Image]
  2. Rogatsky I, Trowbridge JM, Garabedian MJ: Potentiation of human estrogen receptor alpha transcriptional activation through phosphorylation of serines 104 and 106 by the cyclin A-CDK2 complex. J Biol Chem. 1999 Aug 6;274(32):22296-302. [PubMed Link Image]
  3. Lee SK, Anzick SL, Choi JE, Bubendorf L, Guan XY, Jung YK, Kallioniemi OP, Kononen J, Trent JM, Azorsa D, Jhun BH, Cheong JH, Lee YC, Meltzer PS, Lee JW: A nuclear factor, ASC-2, as a cancer-amplified transcriptional coactivator essential for ligand-dependent transactivation by nuclear receptors in vivo. J Biol Chem. 1999 Nov 26;274(48):34283-93. [PubMed Link Image]
  4. Schubert EL, Lee MK, Newman B, King MC: Single nucleotide polymorphisms (SNPs) in the estrogen receptor gene and breast cancer susceptibility. J Steroid Biochem Mol Biol. 1999 Nov;71(1-2):21-7. [PubMed Link Image]
  5. Sauve F, McBroom LD, Gallant J, Moraitis AN, Labrie F, Giguere V: CIA, a novel estrogen receptor coactivator with a bifunctional nuclear receptor interacting determinant. Mol Cell Biol. 2001 Jan;21(1):343-53. [PubMed Link Image]
  6. Shao W, Halachmi S, Brown M: ERAP140, a conserved tissue-specific nuclear receptor coactivator. Mol Cell Biol. 2002 May;22(10):3358-72. [PubMed Link Image]
  7. Wong CW, McNally C, Nickbarg E, Komm BS, Cheskis BJ: Estrogen receptor-interacting protein that modulates its nongenomic activity-crosstalk with Src/Erk phosphorylation cascade. Proc Natl Acad Sci U S A. 2002 Nov 12;99(23):14783-8. Epub 2002 Nov 1. [PubMed Link Image]
  8. Mungall AJ, Palmer SA, Sims SK, Edwards CA, Ashurst JL, Wilming L, Jones MC, Horton R, Hunt SE, Scott CE, Gilbert JG, Clamp ME, Bethel G, Milne S, Ainscough R, Almeida JP, Ambrose KD, Andrews TD, Ashwell RI, Babbage AK, Bagguley CL, Bailey J, Banerjee R, Barker DJ, Barlow KF, Bates K, Beare DM, Beasley H, Beasley O, Bird CP, Blakey S, Bray-Allen S, Brook J, Brown AJ, Brown JY, Burford DC, Burrill W, Burton J, Carder C, Carter NP, Chapman JC, Clark SY, Clark G, Clee CM, Clegg S, Cobley V, Collier RE, Collins JE, Colman LK, Corby NR, Coville GJ, Culley KM, Dhami P, Davies J, Dunn M, Earthrowl ME, Ellington AE, Evans KA, Faulkner L, Francis MD, Frankish A, Frankland J, French L, Garner P, Garnett J, Ghori MJ, Gilby LM, Gillson CJ, Glithero RJ, Grafham DV, Grant M, Gribble S, Griffiths C, Griffiths M, Hall R, Halls KS, Hammond S, Harley JL, Hart EA, Heath PD, Heathcott R, Holmes SJ, Howden PJ, Howe KL, Howell GR, Huckle E, Humphray SJ, Humphries MD, Hunt AR, Johnson CM, Joy AA, Kay M, Keenan SJ, Kimberley AM, King A, Laird GK, Langford C, Lawlor S, Leongamornlert DA, Leversha M, Lloyd CR, Lloyd DM, Loveland JE, Lovell J, Martin S, Mashreghi-Mohammadi M, Maslen GL, Matthews L, McCann OT, McLaren SJ, McLay K, McMurray A, Moore MJ, Mullikin JC, Niblett D, Nickerson T, Novik KL, Oliver K, Overton-Larty EK, Parker A, Patel R, Pearce AV, Peck AI, Phillimore B, Phillips S, Plumb RW, Porter KM, Ramsey Y, Ranby SA, Rice CM, Ross MT, Searle SM, Sehra HK, Sheridan E, Skuce CD, Smith S, Smith M, Spraggon L, Squares SL, Steward CA, Sycamore N, Tamlyn-Hall G, Tester J, Theaker AJ, Thomas DW, Thorpe A, Tracey A, Tromans A, Tubby B, Wall M, Wallis JM, West AP, White SS, Whitehead SL, Whittaker H, Wild A, Willey DJ, Wilmer TE, Wood JM, Wray PW, Wyatt JC, Young L, Younger RM, Bentley DR, Coulson A, Durbin R, Hubbard T, Sulston JE, Dunham I, Rogers J, Beck S: The DNA sequence and analysis of human chromosome 6. Nature. 2003 Oct 23;425(6960):805-11. [PubMed Link Image]
  9. Reese JC, Katzenellenbogen BS: Characterization of a temperature-sensitive mutation in the hormone binding domain of the human estrogen receptor. Studies in cell extracts and intact cells and their implications for hormone-dependent transcriptional activation. J Biol Chem. 1992 May 15;267(14):9868-73. [PubMed Link Image]
  10. Schwabe JW, Neuhaus D, Rhodes D: Solution structure of the DNA-binding domain of the oestrogen receptor. Nature. 1990 Nov 29;348(6300):458-61. [PubMed Link Image]
  11. 2792078 Tora L, Mullick A, Metzger D, Ponglikitmongkol M, Park I, Chambon P: The cloned human oestrogen receptor contains a mutation which alters its hormone binding properties. EMBO J. 1989 Jul;8(7):1981-6.
  12. 3753802 Greene GL, Gilna P, Waterfield M, Baker A, Hort Y, Shine J: Sequence and expression of human estrogen receptor complementary DNA. Science. 1986 Mar 7;231(4742):1150-4.
  13. 3754034 Green S, Walter P, Kumar V, Krust A, Bornert JM, Argos P, Chambon P: Human oestrogen receptor cDNA: sequence, expression and homology to v-erb-A. Nature. 1986 Mar 13-19;320(6058):134-9.
  14. 7476978 Joel PB, Traish AM, Lannigan DA: Estradiol and phorbol ester cause phosphorylation of serine 118 in the human estrogen receptor. Mol Endocrinol. 1995 Aug;9(8):1041-52.
  15. 7539106 Arnold SF, Obourn JD, Jaffe H, Notides AC: Phosphorylation of the human estrogen receptor on tyrosine 537 in vivo and by src family tyrosine kinases in vitro. Mol Endocrinol. 1995 Jan;9(1):24-33.
  16. 7838153 Arnold SF, Obourn JD, Jaffe H, Notides AC: Serine 167 is the major estradiol-induced phosphorylation site on the human estrogen receptor. Mol Endocrinol. 1994 Sep;8(9):1208-14.
  17. 7916651 Pfeffer U, Fecarotta E, Castagnetta L, Vidali G: Estrogen receptor variant messenger RNA lacking exon 4 in estrogen-responsive human breast cancer cell lines. Cancer Res. 1993 Feb 15;53(4):741-3.
  18. 8221895 Schwabe JW, Chapman L, Finch JT, Rhodes D: The crystal structure of the estrogen receptor DNA-binding domain bound to DNA: how receptors discriminate between their response elements. Cell. 1993 Nov 5;75(3):567-78.
  19. 8600466 Pink JJ, Wu SQ, Wolf DM, Bilimoria MM, Jordan VC: A novel 80 kDa human estrogen receptor containing a duplication of exons 6 and 7. Nucleic Acids Res. 1996 Mar 1;24(5):962-9.
  20. 8961262 McInerney EM, Ince BA, Shapiro DJ, Katzenellenbogen BS: A transcriptionally active estrogen receptor mutant is a novel type of dominant negative inhibitor of estrogen action. Mol Endocrinol. 1996 Dec;10(12):1519-26.
  21. 9195227 Anderson TI, Wooster R, Laake K, Collins N, Warren W, Skrede M, Elles R, Tveit KM, Johnston SR, Dowsett M, Olsen AO, Moller P, Stratton MR, Borresen-Dale AL: Screening for ESR mutations in breast and ovarian cancer patients. Hum Mutat. 1997;9(6):531-6.
  22. 9338790 Brzozowski AM, Pike AC, Dauter Z, Hubbard RE, Bonn T, Engstrom O, Ohman L, Greene GL, Gustafsson JA, Carlquist M: Molecular basis of agonism and antagonism in the oestrogen receptor. Nature. 1997 Oct 16;389(6652):753-8.
  23. 9600906 Tanenbaum DM, Wang Y, Williams SP, Sigler PB: Crystallographic comparison of the estrogen and progesterone receptor's ligand binding domains. Proc Natl Acad Sci U S A. 1998 May 26;95(11):5998-6003.
  24. 9619507 Maalouf GJ, Xu W, Smith TF, Mohr SC: Homology model for the ligand-binding domain of the human estrogen receptor. J Biomol Struct Dyn. 1998 Apr;15(5):841-51.
  25. 9875847 Shiau AK, Barstad D, Loria PM, Cheng L, Kushner PJ, Agard DA, Greene GL: The structural basis of estrogen receptor/coactivator recognition and the antagonism of this interaction by tamoxifen. Cell. 1998 Dec 23;95(7):927-37.
Target 1 Drug References Not Available
Drug Target 2 [top]
Target 2 ID 3163
Target 2 Name Cytochrome P450 51
Target 2 Synonyms
  1. CYPLI
  2. EC 1.14.13.70
  3. Lanosterol 14-alpha demethylase
  4. P450-14DM
  5. P450-LIA1
  6. Sterol 14- alpha demethylase
Target 2 Gene Name cyp51
Target 2 Protein Sequence >Cytochrome P450 51 
MSAVALPRVSGGHDEHGHLEEFRTDPIGLMQRVRDECGDVGTFQLAGKQVVLLSGSHANE
FFFRAGDDDLDQAKAYPFMTPIFGEGVVFDASPERRKEMLHNAALRGEQMKGHAATIEDQ
VRRMIADWGEAGEIDLLDFFAELTIYTSSACLIGKKFRDQLDGRFAKLYHELERGTDPLA
YVDPYLPIESFRRRDEARNGLVALVADIMNGRIANPPTDKSDRDMLDVLIAVKAETGTPR
FSADEITGMFISMMFAGHHTSSGTASWTLIELMRHRDAYAAVIDELDELYGDGRSVSFHA
LRQIPQLENVLKETLRLHPPLIILMRVAKGEFEVQGHRIHEGDLVAASPAISNRIPEDFP
DPHDFVPARYEQPRQEDLLNRWTWIPFGAGRHRCVGAAFAIMQIKAIFSVLLREYEFEMA
QPPESYRNDHSKMVVQLAQPACVRYRRRTGV
Target 2 Number of Residues 458
Target 2 Molecular Weight 50878
Target 2 Theoretical pI 5.71
Target 2 GO Classification
Function
tetrapyrrole binding
heme binding
binding
ion binding
cation binding
transition metal ion binding
iron ion binding
catalytic activity
oxidoreductase activity
monooxygenase activity
Process
physiological process
metabolism
cellular metabolism
generation of precursor metabolites and energy
electron transport
Component
Not Available
Target 2 General Function Secondary metabolites biosynthesis, transport and catabolism
Target 2 Specific Function Its precise biological substrate is not known. Catalyzes C14-demethylation of lanosterol, 24,25-dihydrolanosterol and obtusifoliol which is critical for ergosterol biosynthesis. It transforms lanosterol into 4,4'-dimethyl cholesta-8,14,24-triene- 3-beta-ol
Target 2 Pathways Not Available
Target 2 Reactions
  • obtusifoliol + 3 O2 + 3 NADPH + 3 H+ = 4alpha-methyl-5alpha-ergosta-8,14,24(28)-trien-3beta-ol + formate + 3 NADP+ + 4 H2O
Target 2 Pfam Domain Function
Target 2 Signals
  • None
Target 2 Transmembrane Regions
  • None
Target 2 Essentiality Essential
Target 2 GenBank ID Protein 1550642 Link Image
Target 2 UniProtKB/Swiss-Prot ID P0A512 Link Image
Target 2 UniProtKB/Swiss-Prot Entry Name CP51_MYCTU Link Image
Target 2 PDB ID 1EA1 Link Image
Target 2 PDB File Show
Target 2 3D Structure
Target 2 Cellular Location
  • Cytoplasm
Target 2 Gene Sequence >1356 bp 
TTAAACTCCCGTTCGCCGGCGGTAGCGCACGCAAGCGGGCTGGGCCAACTGCACCACCAT
CTTCGAATGGTCGTTACGATAGCTTTCTGGCGGTTGCGCCATCTCAAACTCATACTCGCG
CAACAACACCGAGAAGATCGCTTTGATCTGCATGATGGCGAACGCCGCCCCCACGCAACG
ATGCCGGCCGGCGCCGAACGGAATCCACGTCCAGCGGTTGAGCAGATCTTCCTGGCGCGG
CTGCTCGTATCGTGCTGGCACGAAGTCGTGGGGATCGGGGAAGTCTTCGGGGATCCGGTT
GGAGATCGCCGGGGAGGCCGCCACCAGATCGCCCTCATGAATCCGGTGGCCTTGCACCTC
GAACTCGCCCTTGGCCACTCGCATGAGGATGATCAGCGGAGGGTGCAGGCGCAGCGTCTC
TTTCAGCACGTTTTCCAGCTGCGGAATCTGGCGCAGCGCATGGAAACTCACCGATCGGCC
GTCGCCGTACAGCTCGTCGAGTTCGTCGATCACGGCCGCGTAGGCGTCGCGATGGCGCAT
CAACTCGATCAGCGTCCACGAAGCCGTACCCGAGCTGGTGTGATGGCCGGCGAACATCAT
CGAGATGAACATGCCGGTGATCTCGTCGGCCGAGAACCGGGGAGTGCCGGTCTCAGCCTT
GACGGCGATGAGCACGTCGAGCATGTCACGGTCGCTCTTGTCGGTGGGTGGGTTGGCGAT
CCGGCCGTTCATGATGTCCGCAACCAGTGCCACCAGACCATTGCGGGCTTCGTCGCGGCG
ACGGAAGCTCTCGATCGGCAGATACGGGTCGACGTAGGCTAGTGGGTCGGTGCCGCGCTC
CAACTCGTGATAGAGCTTGGCGAATCGCCCGTCGAGCTGGTCGCGGAACTTCTTGCCGAT
CAGGCAGGCCGAGGAGGTGTAGATGGTCAGCTCGGCGAAGAAGTCCAGCAGATCGATCTC
GCCGGCCTCACCCCAGTCGGCGATCATCCGTCGGACTTGATCTTCGATGGTGGCAGCGTG
GCCCTTCATCTGCTCGCCGCGTAGCGCGGCATTGTGCAGCATCTCTTTACGCCGTTCCGG
GCTGGCGTCGAACACCACGCCCTCGCCGAAGATCGGCGTCATGAACGGGTATGCCTTGGC
CTGGTCCAGGTCGTCGTCGCCCGCCCGGAAGAAGAATTCGTTGGCGTGCGAGCCGGACAG
CAGCACGACCTGCTTCCCGGCCAGCTGGAAGGTACCGACGTCTCCGCATTCGTCGCGGAC
CCGTTGCATCAGCCCGATCGGATCGGTGCGGAACTCCTCGAGGTGGCCGTGTTCGTCGTG
GCCACCCGAAACCCGGGGTAGTGCAACAGCGCTCAT
Target 2 GenBank Gene ID
Target 2 GeneCard ID Not Available
Target 2 GenAtlas ID Not Available
Target 2 HGNC ID Not Available
Target 2 Chromosome Location Not Available
Target 2 Locus Not Available
Target 2 SNPs SNPJam Report Link Image
Target 2 General References
  1. Bellamine A, Mangla AT, Nes WD, Waterman MR: Characterization and catalytic properties of the sterol 14alpha-demethylase from Mycobacterium tuberculosis. Proc Natl Acad Sci U S A. 1999 Aug 3;96(16):8937-42. [PubMed Link Image]
  2. Bellamine A, Mangla AT, Dennis AL, Nes WD, Waterman MR: Structural requirements for substrate recognition of Mycobacterium tuberculosis 14 alpha-demethylase: implications for sterol biosynthesis. J Lipid Res. 2001 Jan;42(1):128-36. [PubMed Link Image]
  3. Podust LM, Poulos TL, Waterman MR: Crystal structure of cytochrome P450 14alpha -sterol demethylase (CYP51) from Mycobacterium tuberculosis in complex with azole inhibitors. Proc Natl Acad Sci U S A. 2001 Mar 13;98(6):3068-73. [PubMed Link Image]
  4. Fleischmann RD, Alland D, Eisen JA, Carpenter L, White O, Peterson J, DeBoy R, Dodson R, Gwinn M, Haft D, Hickey E, Kolonay JF, Nelson WC, Umayam LA, Ermolaeva M, Salzberg SL, Delcher A, Utterback T, Weidman J, Khouri H, Gill J, Mikula A, Bishai W, Jacobs Jr WR Jr, Venter JC, Fraser CM: Whole-genome comparison of Mycobacterium tuberculosis clinical and laboratory strains. J Bacteriol. 2002 Oct;184(19):5479-90. [PubMed Link Image]
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Target 2 Drug References Not Available

This project is supported by Genome Alberta & Genome Canada, a not-for-profit organization that is leading Canada's national genomics strategy with $600 million in funding from the federal government. This project is also supported in part by GenomeQuest, Inc., an enterprise genomic information company serving the life science community.