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Molecule of the Month illustrations are available under a CC-BY-3.0 license. Attribution should be given to David S. Goodsell and the RCSB PDB. Molecule of the Month articles are copyrighted by the RCSB PDB and the authors of the article. Text can only be reprinted with permission, with attribution, and without the right to manipulate or change its content. To request permission, please contact info@rcsb.org.

RCSB PDB Molecule of the Month articles may be referenced using a Digital Object Identifier (DOI) with format: 10.2210/rcsb_pdb/mom_YYYY_MM, where YYYY should be replaced with the year, and MM with the number of the month (one or two digits).

  Feature #   Images
179 179-MethylCoenzymeMReductase_1mro.tif
179-MethylCoenzymeMReductase_1mro_tools.tif
178 178-EbolaVirusProteins_EbolaProteins.tif
178-EbolaVirusProteins_VP40.tif
177 177-Apoptosomes_apoptosomes.tif
177-Apoptosomes_human_apoptosome.tif
176 176-Dynein_3j1t.tif
176-Dynein_3vkh-label.tif
175 175-Microtubules_1ffx.tif
175-Microtubules_3j2u.tif
174 174-GFPLikeProteins_1g7k.tif
174-GFPLikeProteins_GFP-like_Proteins.tif
173 173-Aquaporin_1fqy.tif
173-Aquaporin_1fx8_pmv.tif
172 172-RecAAndRad51_1w36.tif
172-RecAAndRad51_Rad51_BRCA2.tif
172-RecAAndRad51_recA_filament.tif
171 171-NeurotransmitterTransporters_2nwx.tif
171-NeurotransmitterTransporters_4m48.tif
170 170-BroadlyNeutralizingAntibodies_4jhw_4mmv_jmol.tif
170-BroadlyNeutralizingAntibodies_4nco_bnAb.tif
170-BroadlyNeutralizingAntibodies_HA_bnAb.tif
169 169-HIVEnvelopeGlycoprotein_1gc1_composite.tif
169-HIVEnvelopeGlycoprotein_4nco_composite.tif
168 168-DNAHelicase_3r8f_helix.tif
168-DNAHelicase_4esv.tif
167 167-SNAREProteins_1nsf.tif
167-SNAREProteins_1sfc_1br0.tif
166 166-Proteasome_1fnt_3l5q.tif
166-Proteasome_4b4t_dimer.tif
165 165-DesignedProteinCages_3tom.tif
165-DesignedProteinCages_3vdx_4egg.tif
164 164-SerotoninReceptor_3gwv.tif
164-SerotoninReceptor_4iar.tif
163 163-HIVCapsid_2lm3_1ak4_1e6j.tif
163-HIVCapsid_3j3q.tif
163-HIVCapsid_3uv9_1ak4_1e6j.tif
163-HIVCapsid_capsid_composite.tif
162 162-Dermcidin_1dfn_2k6o.tif
162-Dermcidin_2ymk_twoviews.tif
161 161-Ricin_2aai.tif
161-Ricin_3u5d_3u5e.tif
161-Ricin_immunotoxin.tif
160 160-Actinomycin_173d_composite.tif
160-Actinomycin_1k4t.tif
159 159-Erythrocruorin_2gtl.tif
159-Erythrocruorin_hemoglobins.tif
158 158-ProtonGatedUreaChannel_1e9y.tif
158-ProtonGatedUreaChannel_3ux4.tif
157 157-TransferMessengerRNA_3iyr_composite.tif
157-TransferMessengerRNA_3j18_3j19_composite.tif
156 156-ABOBloodTypeGlycosyltransferases_1lu1_2j1u_2obs.tif
156-ABOBloodTypeGlycosyltransferases_3i0g_composite.tif
155 155-VitaminDReceptor_3c6g_1j78.tif
155-VitaminDReceptor_VDRcryo.tif
154 154-CitricAcidCycle_1cts.tif
154-CitricAcidCycle_1fuo.tif
154-CitricAcidCycle_1mld_5mdh.tif
154-CitricAcidCycle_1nek-composite.tif
154-CitricAcidCycle_2fp4_1cqi.tif
154-CitricAcidCycle_3blw.tif
154-CitricAcidCycle_7acn-composite.tif
154-CitricAcidCycle_OGDH.tif
154-CitricAcidCycle_citricacidcycle.tif
153 153-PyruvateDehydrogenaseComplex_1w85_composite.tif
153-PyruvateDehydrogenaseComplex_pyruvatedehydrogenase.tif
152 152-cAMP-dependentProteinKinase_1xp0.tif
152-cAMP-dependentProteinKinase_PKA.tif
151 151-HGPRT_1cjb.tif
151-HGPRT_1hmp.tif
150 150-SlidingClamps_1ul1.tif
150-SlidingClamps_3u5z_open.tif
149 149-Leptin_1ax8.tif
149-Leptin_1ron.tif
148 148-RasProtein_5p21.tif
148-RasProtein_Ras.tif
147 147-Rhodopsin_1f88.tif
147-Rhodopsin_3fsn.tif
146 146-AminoglycosideAntibiotics_3frh_3pb3.tif
146-AminoglycosideAntibiotics_aminoglycoside_modifying_enzymes.tif
145 145-MessengerRNACapping_2qkm_1st0.tif
145-MessengerRNACapping_3kyh_1ri1.tif
144 144-ComplexI_1zcd.tif
144-ComplexI_3m9s_3rko.tif
143 143-TollLikeReceptors_3ciy.tif
143-TollLikeReceptors_3fxi_2j67.tif
142 142-PDBPioneers_electroncarrier.tif
142-PDBPioneers_enzymes.tif
142-PDBPioneers_oxygencarrier.tif
141 141-OGlcNAcTransferase_2cbj.tif
141-OGlcNAcTransferase_3pe4_1w3b.tif
140 140-RhomboidProteaseGlpG_2nrf_membrane.tif
140-RhomboidProteaseGlpG_3b4r_3s0x.tif
139 139-DNAMethylases_1mht.tif
139-DNAMethylases_DNMT.tif
138 138-Glucansucrase_3aic.tif
138-Glucansucrase_3aie_1smd.tif
137 137-Cytochromebc1_1vf5.tif
137-Cytochromebc1_3h1j.tif
136 136-Nanobodies_1mel_complex.tif
136-Nanobodies_antibody_nanobody.tif
135 135-Integrase_3os1_composite.tif
134 134-Integrin_1jv2-2k9j-1m8o.tif
134-Integrin_integrins.tif
133 133-NitricOxideSynthase_nNOS.tif
133-NitricOxideSynthase_sGC.tif
132 132-Adenovirus_adenovirus.tif
132-Adenovirus_adenovirus_clip.tif
131 131-Inteins_1jva.tif
131-Inteins_1lws_1am2.tif
130 130-Riboswitches_1u8d.tif
130-Riboswitches_riboswitches.tif
129 129-IsocitrateDehydrogenase_3blw_9icd.tif
129-IsocitrateDehydrogenase_3lcb.tif
128 128-Interferons_3bes.tif
128-Interferons_interferons.tif
127 127-Crystallins.tif
126 126-EpidermalGrowthFactor_1ptu.tif
126-EpidermalGrowthFactor_EGFR.tif
125 125-Parvoviruses_1fpv_2cas.tif
125-Parvoviruses_1s58.tif
124 124-ConcanavalinACircularPermutation_1cvn.tif
124-ConcanavalinACircularPermutation_3cna.tif
123 123-P-glycoprotein_3g61_1bln.tif
123-P-glycoprotein_3g61_composite.tif
122 122-Enhanceosome_CBP.tif
122-Enhanceosome_enhanceosome.tif
121 121-70SRibosomes_2wdk_2wdl_front.tif
121-70SRibosomes_antibiotics.tif
121-70SRibosomes_elongation.tif
121-70SRibosomes_initiation.tif
121-70SRibosomes_termination.tif
120 120-AntifreezeProteins_1kdf.tif
120-AntifreezeProteins_antifreeze.tif
119 119-DesignedDNACrystal_309d.tif
119-DesignedDNACrystal_3gbi_composite.tif
118 118-SodiumPotassiumPump_2zxe_1su4_3b8c.tif
118-SodiumPotassiumPump_2zxe_composite.tif
117 117-XanthineOxidoreductase_1fo4_composite.tif
117-XanthineOxidoreductase_1r4u_composite.tif
116 116-Sulfotransferases_APSenzymes.tif
116-Sulfotransferases_sulfotransferases.tif
115 115-betaSecretase_1py1.tif
115-betaSecretase_1sgz_1py1.tif
114 114-Vaults_containers.tif
114-Vaults_vaults.tif
113 113-InfluenzaNeuraminidase_1nca.tif
113-InfluenzaNeuraminidase_neuraminidases.tif
112 112-TranscriptionFactors_1gt0_composite.tif
112-TranscriptionFactors_1nkp_2ebt.tif
111 111-Hydrogenases_1e08.tif
111-Hydrogenases_composite.tif
110 110-AuxinandTIR1UbiquitinLigase_1xmb.tif
110-AuxinandTIR1UbiquitinLigase_2p1p.tif
109 109-TobaccoMosaicVirus_1ei7.tif
109-TobaccoMosaicVirus_2tmv_composite.tif
108 108-Hsp90-2cg9.tif
108-Hsp90-2cg9_2ioq.tif
108-Hsp90-2cg9_composite.tif
107 107-MechanosensitiveChannels-2oar_composite.tif
107-MechanosensitiveChannels-2oau_composite.tif
106 106-Poly-A-Polymerase-1cvj.tif
106-Poly-A-Polymerase-1fa0.tif
105 105-Ribonuclease-A-2fk6_2ez6.tif
105-Ribonuclease-A-5rsa.tif
104 104-SelenocysteineSynthase-1wb1_2uwm.tif
104-SelenocysteineSynthase-3bc8_2yye.tif
103 103-DengueVirus-1k4r.tif
103-DengueVirus-1ok8.tif
103-DengueVirus-nonstructuralproteins.tif
102 102-LactateDehydrogenase-1lth.tif
102-LactateDehydrogenase-3ldh.tif
101 101-Prions-2rnm.tif
101-Prions-PrP.tif
100 100-AdrenergicReceptors-2rh1.tif
100-AdrenergicReceptors-backbone.tif
99 99-Cadherin-1l3w-1i7x.tif
99-Cadherin-1l3w-1q5a-1q5c.tif
98 98-SmallInterferingRNA-1r9f.tif
98-SmallInterferingRNA-siRNA.tif
97 97-CircadianClock Proteins-Kai-proteins.tif
97-CircadianClockProteins-1cjw.tif
96 96-OxidosqualeneCyclase-1hwk.tif
96-OxidosqualeneCyclase-1w6k.tif
95 95-MultidrugResistanceTransporter-2onj.tif
95-MultridrigResistanceTransporter-multidrugtransporters.tif
94 94-SuperoxideDismutase-2sod.tif
94-SuperoxideDismutase-SODs.tif
93 93-CitrateSynthase-1cts-2cts.tif
93-CitrateSynthase-1nxg.tif
92 92-AnabolicSteroids-1d2s.tif
92-AnabolicSteroids-1xf0.tif
92-AnabolicSteroids-dht.tif
91 91-ThymineDimers-1n4e.tif
91-ThymineDimers-1ttd-4.tif
91-ThymineDimers-1vas-1tez.tif
90 90-FattyAcidSynthase-fas.tif
90-FattyAcidSynthase-fasII-composite.tif
89 89-AconitaseandIronRegulatoryProtein1-2b3y-2ipy.tif
89-AconitaseandIronRegulatoryProtein1-moonlighting.tif
88 88-Clathrin-1xi4-composite.tif
88-Clathrin-ap2-composite.tif
87 87-ZincFingers-1tf6-1un6.tif
87-ZincFingers-zincfingers.tif
86 86-Exosomes-2a1s-1st0.tif
86-Exosomes-2nn6.tif
85 85-Importins-1qgk-composite.tif
85-Importins-2bku-1wa5.tif
84 84-Transposase-1muh-tube.tif
84-Transposase-1z1g-composite.tif
83 83-Fibrin-1m1j-1fzc.tif
83-Fibrin-1m1j-composite.tif
82 82-Cytochromep450-1ea1-1e6e.tif
82-Cytochromep450-1w0e-2j0d.tif
81 81-ElongationFactors-1dar-1ttt.tif
81-ElongationFactors-1efu.tif
81-ElongationFactors-1ttt.tif
80 80-AAA+Proteases-1yyf.tif
80-AAA+Proteases-AAAproteins.tif
79 79-Amyloid-betaPrecursorProtein-1fkn.tif
79-Amyloid-betaPrecursorProtein-app-composite.tif
78 78-Luciferase-1brl-1vpr.tif
78-Luciferase-2d1s-composite.tif
77 77-GlucoseOxidase-1gco-1cq1.tif
77-GlucoseOxidase-gpe-composite.tif
76 76-Hemagglutinin-1ruz-membrane.tif
76-Hemagglutinin-HA-action.tif
75 75-TissueFactor-1dan-composite.tif
75-TissueFactor-2hft-composite.tif
74 74-alpha-Amylase-1ppi.tif
74-alpha-Amylase-industrial.tif
73 73-Topoisomerases-1a36-composite.tif
73-Topoisomerases-1bgw-1ei1.tif
72 72-ATPSynthase-ATPsynthase.tif
71 71-AcetycholineReceptor-1yi5.tif
71-AcetylcholineReceptor-2bg9-composite.tif
70 70-DesignerProteins-1qys-composite.tif
70-DesignerProteins-bundles.tif
69 69-CholeraToxin-1xtc-composite.tif
69-CholeraToxin-toxins.tif
68 68-Neurotrophins-1bet.tif
68-Neurotrophins-receptors.tif
67 67-TATA-BindingProtein-1cdw.tif
67-TATA-BindingProtein-TF.tif
66 66-CarotenoidOxygenase-2biw-composite.tif
66-CartenoidOxygenase-1jb0-1f88.tif
65 65-Self-SplicingRNA-1mme.tif
65-Self-SplicingRNA-1u6b.tif
64 64-Kinesin-3kin-2ncd.tif
64-Kinesin-3kin-composite.tif
63 63-T-CellReceptor-1tcr.tif
63-T-CellReceptor-MHC.tif
62 62-MajorHistocompatibilityComplex-1hsa-1dlh.tif
62-MajorHistocompatibilityComplex-1hsa.tif
62-MajorHistocompatibilityComplex-IgDomain1.tif
62-MajorHistocompatibilityComplex-IgDomain2.tif
61 61-PhenylalanineHydroxylase-2pah-1phz.tif
61-PhenylalanineHydroxylase-hydroxylases.tif
60 60-Ubiquitin-1fnt.tif
60-Ubiquitin-enzymes.tif
60-Ubiquitin-ubiquitin.tif
59 59-PhotosystemII-1s5l-chain.tif
59-PhotosystemII-antenna.tif
58 58-GProteins-1gg2-composite.tif
58-GProteins-signaling.tif
57 57-Catalase-7cat.tif
57-Catalase-catalases.tif
56 56-Caspases-CAD.tif
56-Caspases-caspases.tif
55 55-DNALigase-1NHEJ-label.tif
55-DNALigase-1a0i-1dgs.tif
54 54-Acetylcholinesterase-1acj-composite.tif
54-Acetylcholinesterase-1b41-1eve.tif
53 53-Serpins-1psi.tif
53-Serpins-antitrypsin-action.tif
52 52-GrowthHormone-3hhr-membrane.tif
52-GrowthHormone-hormones.tif
51 51-TheCalciumPump-1eul-membrane.tif
51-TheCalciumPumps-calcium-pumps.tif
50 50-TheGlycolyticEnzymes-01-1dgk.tif
50-TheGlycolyticEnzymes-01-1hkg-2yhx.tif
50-TheGlycolyticEnzymes-02-1hox.tif
50-TheGlycolyticEnzymes-03-4pfk-6pfk.tif
50-TheGlycolyticEnzymes-03-4pfk.tif
50-TheGlycolyticEnzymes-04-4ald-1j4e.tif
50-TheGlycolyticEnzymes-05-2ypi.tif
50-TheGlycolyticEnzymes-06-3gpd-1nqo.tif
50-TheGlycolyticEnzymes-07-3pgk-1vpe.tif
50-TheGlycolyticEnzymes-08-3pgm-1eqj.tif
50-TheGlycolyticEnzymes-09-2one.tif
50-TheGlycolyticEnzymes-10-1e0u-1a3w.tif
50-TheGlycolyticEnzymes-glycolysis.tif
49 49-CarbonicAnhydrase-1cnw.tif
49-CarbonicAnhydrase-carbonic-anhydrases.tif
48 48-CataboliteActivatorProtein-1cgp.tif
48-CataboliteActivatorProtein-cap-polymerase.tif
47 47-SimianVirus40-1sva-DNA.tif
47-SimianVirus40-1sva.tif
47-SimianVirus40-T-antigen.tif
46 46-Trypsin-serine-proteases.tif
46-Trypsin-trypsinogen.tif
45 45-EstrogenReceptor-1hcq-1a52.tif
45-EstrogenReceptor-tamoxifen.tif
44 44-Calmodulin-1cfd-1cll.tif
44-Calmodulin-3cln.tif
44-Calmodulin-complexes.tif
43 43-SrcTyosineKinase-2src.tif
43-SrcTyrosineKinase-2src-mechanism.tif
42 42-GreenFlourescentProtein-1gfl-composite.tif
42-GreenFluorescentProtein-1kys-composite.tif
41 41-Hemoglobin-2dhb.tif
41-Hemoglobin-2hbs-fiber.tif
40 40-RNAPolymerase-1i6h-composite.tif
40-RNAPolymerase-1k83.tif
39 39-LacRepressor-lac-DNAloop.tif
39-LacRepressor-lac-operon.tif
39-LacRepressor-lac.tif
38 38-PotassiumChannels-1bl8.tif
38-PotassiumChannels-2crd.tif
38-PotassiumChannels.tif
37 37-SerumAlbumin-1e7i.tif
37-SerumAlbumin-transport.tif
36 36-Cytochromec-3cyt-twoviews.tif
36-Cytochromec-electron-transport.tif
35 35-FerritinandTransferrin-ferritin.tif
35-FerritinandTransferrin-transferrin-and-receptor.tif
34 34-DihydrofolateReductase-3dfr-1dls.tif
34-DihydrofolateReductase-7dfr.tif
33 33-ReverseTranscriptase-2hmi-label.tif
33-ReverseTranscriptase-3hvt.tif
32 32-Chaperones-chaperonin.tif
32-Chaperones-dnaK-prefoldin.tif
31 31-p53TumorSuppressor-p53-bound.tif
31-p53TumorSuppressor-p53-unbound.tif
30 30-GlutamineSynthetase-1fpy-ligands.tif
30-GlutamineSynthetase-1fpy-twoviews.tif
29 29-Penicillin-bindingProteins-3pte.tif
29-Penicillin-bindingProteins-4blm-3pte.tif
28 28-Anthrax-Toxin.tif
28-AnthraxToxin-1acc-1tzo.tif
27 27-Bacteriorhodopsin-1fbb-twoviews.tif
27-Bacteriorhodopsin-two-rhodopsins.tif
26 26-Nitrogenase-1n2c-clusters.tif
26-Nitrogenase-1n2c.tif
25 25-Thrombin-1ppb-transparent.tif
25-Thrombin-2hgt.tif
25-Thrombin-activation.tif
24 24-GlycogenPhosphorylase-6gpb-2views.tif
24-GlycogenPhosphorylase-allostery.tif
23 23-DNA-ABZ.tif
23-DNA-B-DNA.tif
23-DNA-information.tif
22 22-PhotosystemI-1jb0-antenna.tif
22-PhotosystemI-1jb0-etc.tif
22-PhotosystemI-1jb0.tif
22-PhotosystemI-reaction-centers.tif
21 21-Antibodies-1c1e-reaction.tif
21-Antibodies-1igt.tif
21-Antibodies-hyhel-overlap.tif
20 20-PoliovirusandRhinovirus-4rhv-symmetry.tif
20-PoliovirusandRhinovirus-picornaviruses.tif
20-PoliovirusandRhinovirus-rhinovirus-biology.tif
19 19-Actin-actin-binding.tif
19-Actin-actin18.tif
18 18-Myosin-1b7t.tif
18-Myosin-painting.tif
18-Myosin-powerstroke.tif
17 17-Cyclooxygenase-1prh-figure.tif
17-Cyclooxygenase-4cox_tunnel.tif
16 16-Aminoacyl-tRNASynthetases-1asz.tif
16-Aminoacyl-tRNASynthetases-1ffy.tif
16-Aminoacyl-tRNASynthetases-1fyy.tif
16-Aminoacyl-tRNASynthetases-aaRS.tif
15 15-TransferRNA-two-trna.tif
14 14-Insulin-4ins-figure.tif
14-Insulin-porcine-human.tif
13 13-AlcoholDehydrogenase-1htb.tif
13-AlcoholDehydrogenase-two-adh.tif
12 12-Pepsin-5pep.tif
12-Pepsin-asp-proteases.tif
12-Pepsin-pepsinogen.tif
11 11-Rubisco-1rcx.tif
11-Rubisco-two-forms.tif
10 10-Ribosome-1ffk_front_figure.tif
10-Ribosome-1fka_front_figure.tif
10-Ribosome_figure.tif
9 9-Lysozyme-2lyz.tif
9-Lysozyme-mutant.tif
8 8-RestrictionEnzymes-EcorI.tif
8-RestrictionEnzymes-stickyends.tif
7 7-Nucleosome-1aoi.tif
7-Nucleosome.tif
6 6-HIV-1Protease-3hvp.tif
6-HIV-1Protease-7hvp_activesite.tif
6-HIV-1Protease-hivpr_drugs.tif
5 5-CytochromecOxidase-1oco.tif
5-CytochromecOxidase-1oco_subunit.tif
5-CytochromecOxidase-cytox_composite.tif
4 4-Collagen-painting_large.tif
4-Collagen.tif
3 3-DNAPolymerase-1tau.tif
2 2-BacteriophagephiX174-1cd3.tif
2-BacteriophagephiX174-mature.tif
1 1-Myoglobin-1mbn.tif