Loading
PDBj
MenuPDBj@FacebookPDBj@TwitterPDBj@YouTubewwPDB FoundationwwPDB
RCSB PDBPDBeBMRBAdv. SearchSearch help
PDB: 52 results

7MJI
DownloadVisualize
BU of 7mji by Molmil
Cryo-EM structure of the SARS-CoV-2 N501Y mutant spike protein ectodomain bound to VH ab8 (focused refinement of RBD and VH ab8)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, Spike glycoprotein, VH ab8
Authors:Zhu, X, Mannar, D, Srivastava, S.S, Berezuk, A.M, Demers, J.P, Saville, J.W, Leopold, K, Li, W, Dimitrov, D.S, Tuttle, K.S, Zhou, S, Chittori, S, Subramaniam, S.
Deposit date:2021-04-20
Release date:2021-05-12
Last modified:2024-10-09
Method:ELECTRON MICROSCOPY (2.81 Å)
Cite:Cryo-electron microscopy structures of the N501Y SARS-CoV-2 spike protein in complex with ACE2 and 2 potent neutralizing antibodies.
Plos Biol., 19, 2021
7MJJ
DownloadVisualize
BU of 7mjj by Molmil
Cryo-EM structure of the SARS-CoV-2 N501Y mutant spike protein ectodomain bound to Fab ab1 (class 1)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Fab ab1 Heavy Chain, ...
Authors:Zhu, X, Mannar, D, Srivastava, S.S, Berezuk, A.M, Demers, J.P, Saville, J.W, Leopold, K, Li, W, Dimitrov, D.S, Tuttle, K.S, Zhou, S, Chittori, S, Subramaniam, S.
Deposit date:2021-04-20
Release date:2021-05-12
Last modified:2024-10-23
Method:ELECTRON MICROSCOPY (3.32 Å)
Cite:Cryo-electron microscopy structures of the N501Y SARS-CoV-2 spike protein in complex with ACE2 and 2 potent neutralizing antibodies.
Plos Biol., 19, 2021
7MJL
DownloadVisualize
BU of 7mjl by Molmil
Cryo-EM structure of the SARS-CoV-2 N501Y mutant spike protein ectodomain bound to Fab ab1 (focused refinement of RBD and Fab ab1)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, Fab ab1 Heavy Chain, Fab ab1 Light Chain, ...
Authors:Zhu, X, Mannar, D, Srivastava, S.S, Berezuk, A.M, Demers, J.P, Saville, J.W, Leopold, K, Li, W, Dimitrov, D.S, Tuttle, K.S, Zhou, S, Chittori, S, Subramaniam, S.
Deposit date:2021-04-20
Release date:2021-05-12
Last modified:2024-10-09
Method:ELECTRON MICROSCOPY (2.95 Å)
Cite:Cryo-electron microscopy structures of the N501Y SARS-CoV-2 spike protein in complex with ACE2 and 2 potent neutralizing antibodies.
Plos Biol., 19, 2021
7MJG
DownloadVisualize
BU of 7mjg by Molmil
Cryo-EM structure of the SARS-CoV-2 N501Y mutant spike protein ectodomain
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Srivastava, S.S, Berezuk, A.M, Demers, J.P, Saville, J.W, Leopold, K, Li, W, Dimitrov, D.S, Tuttle, K.S, Zhou, S, Chittori, S, Subramaniam, S.
Deposit date:2021-04-20
Release date:2021-05-12
Method:ELECTRON MICROSCOPY (2.81 Å)
Cite:Cryo-electron microscopy structures of the N501Y SARS-CoV-2 spike protein in complex with ACE2 and 2 potent neutralizing antibodies.
Plos Biol., 19, 2021
7MJH
DownloadVisualize
BU of 7mjh by Molmil
Cryo-EM structure of the SARS-CoV-2 N501Y mutant spike protein ectodomain bound to VH ab8
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Spike glycoprotein, ...
Authors:Zhu, X, Mannar, D, Srivastava, S.S, Berezuk, A.M, Demers, J.P, Saville, J.W, Leopold, K, Li, W, Dimitrov, D.S, Tuttle, K.S, Zhou, S, Chittori, S, Subramaniam, S.
Deposit date:2021-04-20
Release date:2021-05-12
Last modified:2024-10-30
Method:ELECTRON MICROSCOPY (2.66 Å)
Cite:Cryo-electron microscopy structures of the N501Y SARS-CoV-2 spike protein in complex with ACE2 and 2 potent neutralizing antibodies.
Plos Biol., 19, 2021
7MJM
DownloadVisualize
BU of 7mjm by Molmil
Cryo-EM structure of the SARS-CoV-2 N501Y mutant spike protein ectodomain bound to human ACE2 ectodomain
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, ...
Authors:Zhu, X, Mannar, D, Srivastava, S.S, Berezuk, A.M, Demers, J.P, Saville, J.W, Leopold, K, Li, W, Dimitrov, D.S, Tuttle, K.S, Zhou, S, Chittori, S, Subramaniam, S.
Deposit date:2021-04-20
Release date:2021-05-12
Last modified:2024-10-16
Method:ELECTRON MICROSCOPY (2.83 Å)
Cite:Cryo-electron microscopy structures of the N501Y SARS-CoV-2 spike protein in complex with ACE2 and 2 potent neutralizing antibodies.
Plos Biol., 19, 2021
7MJN
DownloadVisualize
BU of 7mjn by Molmil
Cryo-EM structure of the SARS-CoV-2 N501Y mutant spike protein ectodomain bound to human ACE2 ectodomain (focused refinement of RBD and ACE2)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Srivastava, S.S, Berezuk, A.M, Demers, J.P, Saville, J.W, Leopold, K, Li, W, Dimitrov, D.S, Tuttle, K.S, Zhou, S, Chittori, S, Subramaniam, S.
Deposit date:2021-04-20
Release date:2021-05-12
Last modified:2024-10-23
Method:ELECTRON MICROSCOPY (3.29 Å)
Cite:Cryo-electron microscopy structures of the N501Y SARS-CoV-2 spike protein in complex with ACE2 and 2 potent neutralizing antibodies.
Plos Biol., 19, 2021
7MJK
DownloadVisualize
BU of 7mjk by Molmil
Cryo-EM structure of the SARS-CoV-2 N501Y mutant spike protein ectodomain bound to Fab ab1 (class 2)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Fab ab1 Heavy Chain, ...
Authors:Zhu, X, Mannar, D, Srivastava, S.S, Berezuk, A.M, Demers, J.P, Saville, J.W, Leopold, K, Li, W, Dimitrov, D.S, Tuttle, K.S, Zhou, S, Chittori, S, Subramaniam, S.
Deposit date:2021-04-20
Release date:2021-05-12
Method:ELECTRON MICROSCOPY (2.73 Å)
Cite:Cryo-electron microscopy structures of the N501Y SARS-CoV-2 spike protein in complex with ACE2 and 2 potent neutralizing antibodies.
Plos Biol., 19, 2021
2AJ3
DownloadVisualize
BU of 2aj3 by Molmil
Crystal Structure of a Cross-Reactive HIV-1 Neutralizing CD4-Binding Site Antibody Fab m18
Descriptor: Fab m18, Heavy Chain, Light Chain, ...
Authors:Prabakaran, P, Gan, J, Wu, Y.Q, Zhang, M.Y, Dimitrov, D.S, Ji, X.
Deposit date:2005-08-01
Release date:2006-03-28
Last modified:2024-10-30
Method:X-RAY DIFFRACTION (2.03 Å)
Cite:Structural mimicry of CD4 by a cross-reactive HIV-1 neutralizing antibody with CDR-H2 and H3 containing unique motifs.
J.Mol.Biol., 357, 2006
7SY2
DownloadVisualize
BU of 7sy2 by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y mutant spike protein ectodomain bound to human ACE2 ectodomain (focused refinement of RBD and ACE2)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2024-10-23
Method:ELECTRON MICROSCOPY (3.11 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SXR
DownloadVisualize
BU of 7sxr by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G mutant spike protein ectodomain
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2022-01-05
Method:ELECTRON MICROSCOPY (3 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SY4
DownloadVisualize
BU of 7sy4 by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y,E484K mutant spike protein ectodomain bound to human ACE2 ectodomain (focused refinement of RBD and ACE2)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2022-01-05
Method:ELECTRON MICROSCOPY (3.35 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SY6
DownloadVisualize
BU of 7sy6 by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y,E484K,K417N mutant spike protein ectodomain bound to human ACE2 ectodomain (focused refinement of RBD and ACE2)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Method:ELECTRON MICROSCOPY (2.81 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SXT
DownloadVisualize
BU of 7sxt by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y mutant spike protein ectodomain
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2024-10-23
Method:ELECTRON MICROSCOPY (2.31 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SY7
DownloadVisualize
BU of 7sy7 by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y,E484K,K417T mutant spike protein ectodomain bound to human ACE2 ectodomain (global refinement)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, ...
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Method:ELECTRON MICROSCOPY (2.81 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SXS
DownloadVisualize
BU of 7sxs by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,L452R mutant spike protein ectodomain
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2024-10-09
Method:ELECTRON MICROSCOPY (2.64 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SY3
DownloadVisualize
BU of 7sy3 by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y,E484K mutant spike protein ectodomain bound to human ACE2 ectodomain (global refinement)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, ...
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2022-01-05
Method:ELECTRON MICROSCOPY (2.95 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SY8
DownloadVisualize
BU of 7sy8 by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y,E484K,K417T mutant spike protein ectodomain bound to human ACE2 ectodomain (focused refinement of RBD and ACE2)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Method:ELECTRON MICROSCOPY (3.14 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SY5
DownloadVisualize
BU of 7sy5 by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y,E484K,K417N mutant spike protein ectodomain bound to human ACE2 ectodomain (global refinement)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, ...
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2022-01-05
Method:ELECTRON MICROSCOPY (2.59 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SXZ
DownloadVisualize
BU of 7sxz by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,L452R mutant spike protein ectodomain bound to human ACE2 ectodomain (global refinement)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, ...
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2022-01-05
Method:ELECTRON MICROSCOPY (2.61 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SY0
DownloadVisualize
BU of 7sy0 by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,L452R mutant spike protein ectodomain bound to human ACE2 ectodomain (focused refinement of RBD and ACE2)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2024-10-23
Method:ELECTRON MICROSCOPY (3 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SY1
DownloadVisualize
BU of 7sy1 by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y mutant spike protein ectodomain bound to human ACE2 ectodomain (global refinement)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, ...
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2022-01-05
Method:ELECTRON MICROSCOPY (2.83 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SXY
DownloadVisualize
BU of 7sxy by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G mutant spike protein ectodomain bound to human ACE2 ectodomain (focused refinement of RBD and ACE2)
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, Processed angiotensin-converting enzyme 2, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2024-10-23
Method:ELECTRON MICROSCOPY (2.79 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SXW
DownloadVisualize
BU of 7sxw by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y,E484K,K417T mutant spike protein ectodomain
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2024-10-09
Method:ELECTRON MICROSCOPY (2.85 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021
7SXV
DownloadVisualize
BU of 7sxv by Molmil
Cryo-EM structure of the SARS-CoV-2 D614G,N501Y,E484K,K417N mutant spike protein ectodomain
Descriptor: 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Spike glycoprotein
Authors:Zhu, X, Mannar, D, Saville, J.W, Srivastava, S.S, Berezuk, A.M, Zhou, S, Tuttle, K.S, Kim, A, Li, W, Dimitrov, D.S, Subramaniam, S.
Deposit date:2021-11-24
Release date:2021-12-29
Last modified:2022-01-05
Method:ELECTRON MICROSCOPY (2.79 Å)
Cite:Structural analysis of receptor binding domain mutations in SARS-CoV-2 variants of concern that modulate ACE2 and antibody binding.
Cell Rep, 37, 2021

 

123>

226707

數據於2024-10-30公開中

PDB statisticsPDBj update infoContact PDBjnumon