Loading
PDBj
MenuPDBj@FacebookPDBj@TwitterPDBj@YouTubewwPDB FoundationwwPDB
RCSB PDBPDBeBMRBAdv. SearchSearch help
Search by PDB author
7CFO
DownloadVisualize
BU of 7cfo by Molmil
Crystal structure of human RXRalpha ligand binding domain complexed with CBTF-EE.
Descriptor: 1-[3-(2-ethoxyethoxy)-5,5,8,8-tetramethyl-6,7-dihydronaphthalen-2-yl]-2-(trifluoromethyl)benzimidazole-5-carboxylic acid, GLYCEROL, Retinoic acid receptor RXR-alpha
Authors:Watanabe, M, Fujihara, M, Motoyama, T, Kawasaki, M, Yamada, S, Takamura, Y, Ito, S, Makishima, M, Nakano, S, Kakuta, H.
Deposit date:2020-06-27
Release date:2021-01-06
Last modified:2023-11-29
Method:X-RAY DIFFRACTION (2.15 Å)
Cite:Discovery of a "Gatekeeper" Antagonist that Blocks Entry Pathway to Retinoid X Receptors (RXRs) without Allosteric Ligand Inhibition in Permissive RXR Heterodimers.
J.Med.Chem., 64, 2021
1PDU
DownloadVisualize
BU of 1pdu by Molmil
Ligand-binding domain of Drosophila orphan nuclear receptor DHR38
Descriptor: nuclear hormone receptor HR38
Authors:Baker, K.D, Shewchuk, L.M, Korlova, T, Makishima, M, Hassell, A.M, Wisely, B, Caravella, J.A, Lambert, M.H, Wilson, T.M, Mangelsdorf, D.J.
Deposit date:2003-05-20
Release date:2003-06-10
Last modified:2024-02-14
Method:X-RAY DIFFRACTION (2.3 Å)
Cite:The Drosophila orphan nuclear receptor DHR38 mediates an atypical ecdysteroid signaling pathway.
Cell(Cambridge,Mass.), 113, 2003
5XZF
DownloadVisualize
BU of 5xzf by Molmil
Vitamin D receptor with a synthetic ligand ADRO1
Descriptor: (1R,3S,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(2R,6S)-6-(1-adamantyl)-6-oxidanyl-hex-4-yn-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidene-cyclohexane-1,3-diol, FORMIC ACID, Mediator of RNA polymerase II transcription subunit 1, ...
Authors:Otero, R, Numoto, N, Ikura, T, Yamada, S, Mourino, A, Makishima, M, Ito, N.
Deposit date:2017-07-12
Release date:2018-07-25
Last modified:2023-11-22
Method:X-RAY DIFFRACTION (2.1 Å)
Cite:25 S-Adamantyl-23-yne-26,27-dinor-1 alpha ,25-dihydroxyvitamin D3: Synthesis, Tissue Selective Biological Activities, and X-ray Crystal Structural Analysis of Its Vitamin D Receptor Complex.
J. Med. Chem., 61, 2018
5XZH
DownloadVisualize
BU of 5xzh by Molmil
Vitamin D receptor with a synthetic ligand ADRO2
Descriptor: (1R,3S,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(2R,6R)-6-(1-adamantyl)-6-oxidanyl-hex-4-yn-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidene-cyclohexane-1,3-diol, Mediator of RNA polymerase II transcription subunit 1, Vitamin D3 receptor
Authors:Otero, R, Numoto, N, Ikura, T, Yamada, S, Mourino, A, Makishima, M, Ito, N.
Deposit date:2017-07-12
Release date:2018-07-25
Last modified:2023-11-22
Method:X-RAY DIFFRACTION (2 Å)
Cite:25 S-Adamantyl-23-yne-26,27-dinor-1 alpha ,25-dihydroxyvitamin D3: Synthesis, Tissue Selective Biological Activities, and X-ray Crystal Structural Analysis of Its Vitamin D Receptor Complex.
J. Med. Chem., 61, 2018
6L6K
DownloadVisualize
BU of 6l6k by Molmil
Crystal structure of dimeric RXRalpha-LBD complexed with partial agonist CBt-PMN and SRC1
Descriptor: 1-(3,5,5,8,8-pentamethyl-6,7-dihydronaphthalen-2-yl)benzotriazole-5-carboxylic acid, CALCIUM ION, Nuclear receptor coactivator 1, ...
Authors:Shimizu, K, Numoto, N, Nakano, S, Makishima, M, Kakuta, H, Ito, N.
Deposit date:2019-10-29
Release date:2020-11-04
Last modified:2023-11-22
Method:X-RAY DIFFRACTION (1.8 Å)
Cite:Crystal structure of dimeric RXRalpha-LBD complexed with partial agonist CBt-PMN and SRC1
To Be Published
2ZMI
DownloadVisualize
BU of 2zmi by Molmil
Crystal Structure of Rat Vitamin D Receptor Bound to Adamantyl Vitamin D Analogs: Structural Basis for Vitamin D Receptor Antagonism and/or Partial Agonism
Descriptor: (1R,3R,7E,17beta)-17-{(1S,2E,5R)-5-hydroxy-1-methyl-5-[(3S,5S,7S)-tricyclo[3.3.1.1~3,7~]dec-1-yl]pent-2-en-1-yl}-2-methylidene-9,10-secoestra-5,7-diene-1,3-diol, 1,2-ETHANEDIOL, FORMIC ACID, ...
Authors:Nakabayashi, M, Yamada, S, Tanaka, T, Igarashi, M, Yoshimoto, N, Ikura, T, Ito, N, Makishima, M, Tokiwa, H, DeLuca, H.F, Shimizu, M.
Deposit date:2008-04-19
Release date:2008-09-02
Last modified:2024-03-13
Method:X-RAY DIFFRACTION (1.7 Å)
Cite:Crystal structures of rat vitamin d receptor bound to adamantyl vitamin d analogs: structural basis for vitamin d receptor antagonism and partial agonism
J.Med.Chem., 51, 2008
2ZMH
DownloadVisualize
BU of 2zmh by Molmil
Crystal Structure of Rat Vitamin D Receptor Bound to Adamantyl Vitamin D Analogs: Structural Basis for Vitamin D Receptor Antagonism and/or Partial Agonism
Descriptor: (1R,3R,7E,17beta)-17-{(1R,2E,4R)-4-hydroxy-1-methyl-4-[(3S,5S,7S)-tricyclo[3.3.1.1~3,7~]dec-1-yl]but-2-en-1-yl}-2-methylidene-9,10-secoestra-5,7-diene-1,3-diol, Mediator of RNA polymerase II transcription subunit 1, Vitamin D3 receptor
Authors:Nakabayashi, M, Yamada, S, Tanaka, T, Igarashi, M, Yoshimoto, N, Ikura, T, Ito, N, Makishima, M, Tokiwa, H, DeLuca, H.F, Shimizu, M.
Deposit date:2008-04-18
Release date:2008-09-02
Last modified:2024-03-13
Method:X-RAY DIFFRACTION (2.1 Å)
Cite:Crystal structures of rat vitamin d receptor bound to adamantyl vitamin d analogs: structural basis for vitamin d receptor antagonism and partial agonism
J.Med.Chem., 51, 2008
2ZMJ
DownloadVisualize
BU of 2zmj by Molmil
Crystal Structure of Rat Vitamin D Receptor Bound to Adamantyl Vitamin D Analogs: Structural Basis for Vitamin D Receptor Antagonism and/or Partial Agonism
Descriptor: (1R,3R,7E,17beta)-17-{(1S,2E,5R)-5-hydroxy-1-methyl-6-[(3S,5S,7S)-tricyclo[3.3.1.1~3,7~]dec-1-yl]hex-2-en-1-yl}-2-methylidene-9,10-secoestra-5,7-diene-1,3-diol, Mediator of RNA polymerase II transcription subunit 1, Vitamin D3 receptor
Authors:Nakabayashi, M, Yamada, S, Tanaka, T, Igarashi, M, Yoshimoto, N, Ikura, T, Ito, N, Makishima, M, Tokiwa, H, DeLuca, H.F, Shimizu, M.
Deposit date:2008-04-19
Release date:2008-09-02
Last modified:2024-03-13
Method:X-RAY DIFFRACTION (2.35 Å)
Cite:Crystal structures of rat vitamin d receptor bound to adamantyl vitamin d analogs: structural basis for vitamin d receptor antagonism and partial agonism
J.Med.Chem., 51, 2008
3VTB
DownloadVisualize
BU of 3vtb by Molmil
Crystal structure of rat vitamin D receptor bound to a partial agonist 25-adamantyl-23-yne-19-norvitammin D ADTK1
Descriptor: (1R,3R,7E,17beta)-17-{(2R,6S)-6-hydroxy-6-[(3S,5S,7S)-tricyclo[3.3.1.1~3,7~]dec-1-yl]hex-4-yn-2-yl}-2-methylidene-9,10-secoestra-5,7-diene-1,3-diol, COACTIVATOR PEPTIDE DRIP, Vitamin D3 receptor
Authors:Nakabayashi, M, Kudo, T, Tokiwa, H, Makishima, M, Yamada, S, Ikura, T, Ito, N.
Deposit date:2012-05-26
Release date:2013-06-12
Last modified:2024-03-20
Method:X-RAY DIFFRACTION (2 Å)
Cite:Combination of Triple Bond and Adamantane Ring on the Vitamin D Side Chain Produced Partial Agonists for Vitamin D Receptor.
J.Med.Chem., 2014
3VTC
DownloadVisualize
BU of 3vtc by Molmil
Crystal structure of rat vitamin D receptor bound to a partial agonist 26-adamantyl-23-yne-19-norvitammin D ADTK3
Descriptor: (1R,3R,7E,17beta)-17-{(2R,6R)-6-hydroxy-7-[(3S,5S,7S)-tricyclo[3.3.1.1~3,7~]dec-1-yl]hept-4-yn-2-yl}-2-methylidene-9,10-secoestra-5,7-diene-1,3-diol, 1,2-ETHANEDIOL, COACTIVATOR PEPTIDE DRIP, ...
Authors:Nakabayashi, M, Kudo, T, Tokiwa, H, Makishima, M, Yamada, S, Ikura, T, Ito, N.
Deposit date:2012-05-26
Release date:2013-06-12
Last modified:2023-11-08
Method:X-RAY DIFFRACTION (1.5 Å)
Cite:Combination of Triple Bond and Adamantane Ring on the Vitamin D Side Chain Produced Partial Agonists for Vitamin D Receptor.
J.Med.Chem., 2014
3VTD
DownloadVisualize
BU of 3vtd by Molmil
Crystal structure of rat vitamin D receptor bound to a partial agonist 26-adamantyl-23-yne-19-norvitammin D ADTK4
Descriptor: (1R,3R,7E,17beta)-17-{(2R,6S)-6-hydroxy-7-[(3S,5S,7S)-tricyclo[3.3.1.1~3,7~]dec-1-yl]hept-4-yn-2-yl}-2-methylidene-9,10-secoestra-5,7-diene-1,3-diol, COACTIVATOR PEPTIDE DRIP, Vitamin D3 receptor
Authors:Nakabayashi, M, Kudo, T, Tokiwa, H, Makishima, M, Yamada, S, Ikura, T, Ito, N.
Deposit date:2012-05-26
Release date:2013-06-12
Last modified:2023-11-08
Method:X-RAY DIFFRACTION (2.7 Å)
Cite:Combination of Triple Bond and Adamantane Ring on the Vitamin D Side Chain Produced Partial Agonists for Vitamin D Receptor.
J.Med.Chem., 2014
7VQP
DownloadVisualize
BU of 7vqp by Molmil
Vitamin D receptor complexed with a lithocholic acid derivative
Descriptor: 3-((R)-4-((3R,5R,8R,9S,10S,13R,14S,17R)-3-(2-hydroxy-2-methylpropyl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanamido)propanoic acid, Mediator of RNA polymerase II transcription subunit 1, Vitamin D3 receptor
Authors:Kato, K, Numoto, N, Kagechika, H, Tanatani, A, Ito, N.
Deposit date:2021-10-20
Release date:2022-03-09
Last modified:2023-11-29
Method:X-RAY DIFFRACTION (1.94 Å)
Cite:Lithocholic Acid Amides as Potent Vitamin D Receptor Agonists.
Biomolecules, 12, 2022
4YNK
DownloadVisualize
BU of 4ynk by Molmil
Crystal structure of vitamin D receptor ligand binding domain complexed with a 19-norvitamin D compound
Descriptor: (1R,3R,7E,17beta)-17-{(5S)-5-hydroxy-5-[(3R,5R,7R)-tricyclo[3.3.1.1~3,7~]dec-1-yl]penta-1,3-diyn-1-yl}-2-methylidene-9,10-secoestra-5,7-diene-1,3-diol, Coactivator peptide drip from cDNA FLJ50196, highly similar to Peroxisome proliferator-activated receptor-binding protein, ...
Authors:Watarai, Y, Ikura, T, Ito, N.
Deposit date:2015-03-10
Release date:2016-01-20
Last modified:2023-11-08
Method:X-RAY DIFFRACTION (2.3 Å)
Cite:Synthesis, Biological Activities, and X-ray Crystal Structural Analysis of 25-Hydroxy-25(or 26)-adamantyl-17-[20(22),23-diynyl]-21-norvitamin D Compounds
J.Med.Chem., 58, 2015
6JNO
DownloadVisualize
BU of 6jno by Molmil
RXRa structure complexed with CU-6PMN
Descriptor: 7-oxidanyl-2-oxidanylidene-6-(3,5,5,8,8-pentamethyl-6,7-dihydronaphthalen-2-yl)chromene-3-carboxylic acid, Retinoic acid receptor RXR-alpha
Authors:Kawasaki, M, Nakano, S, Motoyama, T, Yamada, S, Watanabe, M, Takamura, Y, Fujihara, M, Tokiwa, H, Kakuta, H, Ito, S.
Deposit date:2019-03-17
Release date:2019-11-20
Last modified:2023-11-22
Method:X-RAY DIFFRACTION (2.65 Å)
Cite:Competitive Binding Assay with an Umbelliferone-Based Fluorescent Rexinoid for Retinoid X Receptor Ligand Screening.
J.Med.Chem., 62, 2019
3VT4
DownloadVisualize
BU of 3vt4 by Molmil
Crystal structures of rat VDR-LBD with R270L mutation
Descriptor: (1R,2Z,3R,5E,7E)-17-{(1S)-1-[(2-ethyl-2-hydroxybutyl)sulfanyl]ethyl}-2-(2-hydroxyethylidene)-9,10-secoestra-5,7,16-triene-1,3-diol, COACTIVATOR PEPTIDE DRIP, Vitamin D3 receptor
Authors:Nakabayashi, M, Shimizu, M, Ikura, T, Ito, N.
Deposit date:2012-05-19
Release date:2013-05-22
Last modified:2023-11-08
Method:X-RAY DIFFRACTION (1.9 Å)
Cite:Crystal structures of hereditary vitamin D-resistant rickets-associated vitamin D receptor mutants R270L and W282R bound to 1,25-dihydroxyvitamin D3 and synthetic ligands.
J.Med.Chem., 56, 2013
3VT7
DownloadVisualize
BU of 3vt7 by Molmil
Crystal structures of rat VDR-LBD with W282R mutation
Descriptor: 5-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-4-METHYLENE-CYCLOHEXANE-1,3-DIOL, COACTIVATOR PEPTIDE DRIP, Vitamin D3 receptor
Authors:Nakabayashi, M, Shimizu, M, Ikura, T, Ito, N.
Deposit date:2012-05-19
Release date:2013-05-22
Last modified:2023-11-08
Method:X-RAY DIFFRACTION (1.65 Å)
Cite:Crystal structures of hereditary vitamin D-resistant rickets-associated vitamin D receptor mutants R270L and W282R bound to 1,25-dihydroxyvitamin D3 and synthetic ligands.
J.Med.Chem., 56, 2013
3VT5
DownloadVisualize
BU of 3vt5 by Molmil
Crystal structures of rat VDR-LBD with R270L mutation
Descriptor: (1R,2E,3R,5Z,7E)-17-{(1S)-1-[(2-ethyl-2-hydroxybutyl)sulfanyl]ethyl}-2-(2-hydroxyethylidene)-9,10-secoestra-5,7,16-triene-1,3-diol, COACTIVATOR PEPTIDE DRIP, Vitamin D3 receptor
Authors:Nakabayashi, M, Shimizu, M, Ikura, T, Ito, N.
Deposit date:2012-05-19
Release date:2013-05-22
Last modified:2023-11-08
Method:X-RAY DIFFRACTION (2.11 Å)
Cite:Crystal structures of hereditary vitamin D-resistant rickets-associated vitamin D receptor mutants R270L and W282R bound to 1,25-dihydroxyvitamin D3 and synthetic ligands.
J.Med.Chem., 56, 2013
3VT6
DownloadVisualize
BU of 3vt6 by Molmil
Crystal structure of rat VDR-LBD with 2-Substituted-16-ene-22-thia-1alpha,25-dihydroxy-26,27-dimethyl-19-norvitamin D3
Descriptor: (1R,2Z,3R,5E,7E)-17-{(1S)-1-[(2-ethyl-2-hydroxybutyl)sulfanyl]ethyl}-2-(2-hydroxyethylidene)-9,10-secoestra-5,7,16-triene-1,3-diol, COACTIVATOR PEPTIDE DRIP, Vitamin D3 receptor
Authors:Nakabayashi, M, Shimizu, M, Ikura, T, Ito, N.
Deposit date:2012-05-19
Release date:2013-05-22
Last modified:2023-11-08
Method:X-RAY DIFFRACTION (2.3 Å)
Cite:Crystal structures of hereditary vitamin D-resistant rickets-associated vitamin D receptor mutants R270L and W282R bound to 1,25-dihydroxyvitamin D3 and synthetic ligands.
J.Med.Chem., 56, 2013
3VT3
DownloadVisualize
BU of 3vt3 by Molmil
Crystal structures of rat VDR-LBD with R270L mutation
Descriptor: 1,2-ETHANEDIOL, 5-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-4-METHYLENE-CYCLOHEXANE-1,3-DIOL, COACTIVATOR PEPTIDE DRIP, ...
Authors:Nakabayashi, M, Shimizu, M, Ikura, T, Ito, N.
Deposit date:2012-05-19
Release date:2013-05-22
Last modified:2023-11-08
Method:X-RAY DIFFRACTION (1.7 Å)
Cite:Crystal structures of hereditary vitamin D-resistant rickets-associated vitamin D receptor mutants R270L and W282R bound to 1,25-dihydroxyvitamin D3 and synthetic ligands.
J.Med.Chem., 56, 2013
3VT9
DownloadVisualize
BU of 3vt9 by Molmil
Crystal structures of rat VDR-LBD with W282R mutation
Descriptor: (1R,2Z,3R,5E,7E,9beta,17beta)-2-(2-hydroxyethylidene)-17-[(2R)-6-hydroxy-6-methylheptan-2-yl]-9-(prop-2-en-1-yl)-9,10-secoestra-5,7-diene-1,3-diol, COACTIVATOR PEPTIDE DRIP, Vitamin D3 receptor
Authors:Nakabayashi, M, Shimizu, M, Ikura, T, Ito, N.
Deposit date:2012-05-19
Release date:2013-05-22
Last modified:2023-11-08
Method:X-RAY DIFFRACTION (2.35 Å)
Cite:Crystal structures of hereditary vitamin D-resistant rickets-associated vitamin D receptor mutants R270L and W282R bound to 1,25-dihydroxyvitamin D3 and synthetic ligands.
J.Med.Chem., 56, 2013
3VT8
DownloadVisualize
BU of 3vt8 by Molmil
Crystal structures of rat VDR-LBD with W282R mutation
Descriptor: (1R,3R,7E,9beta,17beta)-9-butyl-17-[(2R)-6-hydroxy-6-methylheptan-2-yl]-9,10-secoestra-5,7-diene-1,3-diol, COACTIVATOR PEPTIDE DRIP, Vitamin D3 receptor
Authors:Nakabayashi, M, Shimizu, M, Ikura, T, Ito, N.
Deposit date:2012-05-19
Release date:2013-05-22
Last modified:2023-11-08
Method:X-RAY DIFFRACTION (2.1 Å)
Cite:Crystal structures of hereditary vitamin D-resistant rickets-associated vitamin D receptor mutants R270L and W282R bound to 1,25-dihydroxyvitamin D3 and synthetic ligands.
J.Med.Chem., 56, 2013
2ZNN
DownloadVisualize
BU of 2znn by Molmil
Human PPAR alpha ligand binding domain in complex with a synthetic agonist TIPP703
Descriptor: (2S)-2-(4-propoxy-3-{[({4-[(3S,5S,7S)-tricyclo[3.3.1.1~3,7~]dec-1-yl]phenyl}carbonyl)amino]methyl}benzyl)butanoic acid, Peroxisome proliferator-activated receptor alpha
Authors:Oyama, T, Toyota, K, Kasuga, J, Miyachi, H, Morikawa, K.
Deposit date:2008-04-30
Release date:2009-05-05
Last modified:2023-11-01
Method:X-RAY DIFFRACTION (2.01 Å)
Cite:Adaptability and selectivity of human peroxisome proliferator-activated receptor (PPAR) pan agonists revealed from crystal structures
Acta Crystallogr.,Sect.D, 65, 2009
2ZNQ
DownloadVisualize
BU of 2znq by Molmil
Human PPAR delta ligand binding domain in complex with a synthetic agonist TIPP401
Descriptor: (2S)-2-{3-[({[2-fluoro-4-(trifluoromethyl)phenyl]carbonyl}amino)methyl]-4-methoxybenzyl}butanoic acid, Peroxisome proliferator-activated receptor delta, heptyl beta-D-glucopyranoside
Authors:Oyama, T, Hirakawa, Y, Nagasawa, N, Miyachi, H, Morikawa, K.
Deposit date:2008-04-30
Release date:2009-05-05
Last modified:2023-11-01
Method:X-RAY DIFFRACTION (2.65 Å)
Cite:Adaptability and selectivity of human peroxisome proliferator-activated receptor (PPAR) pan agonists revealed from crystal structures
Acta Crystallogr.,Sect.D, 65, 2009
2ZNP
DownloadVisualize
BU of 2znp by Molmil
Human PPAR delta ligand binding domain in complex with a synthetic agonist TIPP204
Descriptor: (2S)-2-{4-butoxy-3-[({[2-fluoro-4-(trifluoromethyl)phenyl]carbonyl}amino)methyl]benzyl}butanoic acid, Peroxisome proliferator-activated receptor delta, heptyl beta-D-glucopyranoside
Authors:Oyama, T, Hirakawa, Y, Nagasawa, N, Miyachi, H, Morikawa, K.
Deposit date:2008-04-30
Release date:2009-05-05
Last modified:2023-11-01
Method:X-RAY DIFFRACTION (3 Å)
Cite:Adaptability and selectivity of human peroxisome proliferator-activated receptor (PPAR) pan agonists revealed from crystal structures
Acta Crystallogr.,Sect.D, 65, 2009
2ZNO
DownloadVisualize
BU of 2zno by Molmil
Human PPAR gamma ligand binding domain in complex with a synthetic agonist TIPP703
Descriptor: (2S)-2-(4-propoxy-3-{[({4-[(3S,5S,7S)-tricyclo[3.3.1.1~3,7~]dec-1-yl]phenyl}carbonyl)amino]methyl}benzyl)butanoic acid, Peroxisome proliferator-activated receptor gamma
Authors:Oyama, T, Waku, T, Kasuga, J, Miyachi, H, Morikawa, K.
Deposit date:2008-04-30
Release date:2009-05-05
Last modified:2023-11-01
Method:X-RAY DIFFRACTION (2.4 Å)
Cite:Adaptability and selectivity of human peroxisome proliferator-activated receptor (PPAR) pan agonists revealed from crystal structures
Acta Crystallogr.,Sect.D, 65, 2009

218500

PDB entries from 2024-04-17

PDB statisticsPDBj update infoContact PDBjnumon