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A ball and stick model of Human Insulin. Isolated on black.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background
Gamma secretase protein complex. Multi-subunit intramembrane protease that plays role in processing of proteins. 3D illustration.
The three-dimensional structure of proteins is represented in a variety of conformations. This image is based on the ribbon structure of a protein. It is suitable for biology notebooks and book covers.\nThis image has not been created by AI.
The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.
Abstract geometric shape
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
Immunoglobulin G (IgG) - 3d rendered image. Microbiology illustration  the structure of an antibody. The Y-shaped structure. IgG is the most common type of antibody.
Nirmatrelvir inhibits the 3C-like protease of the SARS-CoV 2 virus. The coronavirus 3CL hydrolase enzyme, also known as the main protease, is essential for the maturation of the virus.
A ball-and-stick molecular model of the hormone Orexin, also known as Hypocretin.  Orexin is involved in the regulation of the sleep/wake cycle and it stimulates apetite, wakefulness and energy expenditure. It has been linked with Alzheimer's disease.  Isolated on white.
3D cartoon and Gaussian surface models. PDB 2aai, white background.
Background created by fractal geometry.
Aromatase (estrogen synthase) enzyme. Protein responsible for the key step in the synthesis of estrogens. 3D illustration. Cartoon representation.
DNA A-T Pair
Low-Fiber Diet Risks Gut Health & Allergies
Freshness capsule
Avibactam is a diazobicyclooctane inhibitor of gram-negative and gram-positive bacteria.  Avibactam (red) inhibits the bacterial enzyme beta-lactamase (blue) of Clostridioides difficile.
A ball and stick + ribbons model of Bowman-Birk Protease Inhibitor, more commonly abbreviated to BBI. It is used clinically to treat and help prevent cancer.
3D cartoon and Gaussian surface models, PDB 3hg3, white background
Background created by fractal geometry.
Beta-amyloid (Abeta) peptide, 3D rendering. Major component of plaques found in Alzheimer's disease. Cartoon representation.
Molecular Model of Infliximab, or Remicade, a monoclonal antibody against tumour necrosis factor alpha (TNF-α), which is used to treat autoimmune diseases
The DNA tetrahedron is designed to be mechanically robust; it consists of rigid triangles of DNA helices covalently joined at the vertices
3d Golgi apparatus
Aztreonam (left, orange) inhibits the beta-lactamase from Acinetobacter species. Avibactam (red) inhibits the beta-lactamase (blue) of Clostridioides difficile.
A model of a molecule of arginine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism. In particular, Arginine has an important function in the immune system, wound healing and cell division.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
Multi-colored connected spheres building a molecular structure.
Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.
Background created by fractal geometry.
Free Images: "bestof:PDB 2r9c EBI.png Alpha and beta proteins a+b Cysteine proteinases Cysteine proteinases Calpain large subunit catalytic domain domain II Calpain large subunit"
Ctenocolletes_smaragdinus,_f,_australia,_side_2014-08-08-13.53.31_ZS_PMax.jpg
Rophitulus_species,_angle,_brazil_2014-08-06-09.51.24_ZS_PMax.jpg
Rophitulus_species,_face,_brazil_2014-08-06-10.08.10_ZS_PMax.jpg
Hyleoides_concinna.jpg
Megachile_albisecta,_F,_Side,_Greece,_Aegean_Islands,_Lesvos,_Mytilene_2015-03-10-12.09.24_ZS_PMax.jpg
Megachile_albisecta,_F,_Back,_Greece,_Aegean_Islands,_Lesvos,_Mytilene_2015-03-10-11.45.31_ZS_PMax.jpg
Megachile_albisecta,_F,_Face,_Greece,_Aegean_Islands,_Lesvos,_Mytilene_2015-03-10-11.55.11_ZS_PMax.jpg
Rophitulus_species,_side,_brazil_2014-08-06-10.20.38_ZS_PMax.jpg
Ctenocolletes_smaragdinus,_f,_australia,_angle_2014-08-08-13.42.59_ZS_PMax.jpg
Ctenocolletes_smaragdinus,_f,_australia,_face_2014-08-08-13.48.25_ZS_PMax.jpg
exaerete_frontalis,_back,_guyana_2014-06-18-17.19.27_ZS_PMax.jpg
Hoplitis_tigrina,_M,_Side,_Greece,_Aegean_Islands,_Lesvos,_Sisil_2015-02-16-17.09.jpg
Hoplitis_tigrina,_M,_Back,_Greece,_Aegean_Islands,_Lesvos,_Sisil_2015-02-16-16.42.47_ZS_PMax.jpg
Hoplitis_tigrina,_M,_Face,_Greece,_Aegean_Islands,_Lesvos,_Sisil_2015-02-16-16.50.31_ZS_PMax.jpg
Diphaglossa_gayi,_f,_face,_chile_2014-08-04-18.05.47_ZS_PMax.jpg
Osmia_simillima,_side_2012-06-18-17.42.jpg
Megachile_inermis,_female,_right_side_2012-07-13-18.00.jpg
Velvet_Ant,_side,_Badlands,_Pennington_Co,_SD_2013-12-31-14.13.37_ZS_PMax.jpg
Velvetbean_caterpillar,_side_2014-06-04-19.10.53_ZS_PMax.jpg
Megalopta_genalis,_M,_back,_panama,_barocolorado_2014-09-19-16.42.09_ZS_PMax.jpg
Megalopta_genalis,_M,_side,_panama,_barocolorado_2014-09-19-16.57.54_ZS_PMax.jpg
Megalopta_genalis,_M,_face,_panama,_barocolorado_2014-09-19-16.49.39_ZS_PMax.jpg
velvetbean_caterpillar,_headside_2014-06-04-21.41.54_ZS_PMax.jpg
velvetbean_caterpillar,_eggs_2014-06-06-14.48.01_ZS_PMax.jpg
Megachile_latimanus,_left_side_2012-07-13-18.27.jpg
Megachile_inermis,_female,_back_2012-07-13-17.42.jpg
velvetbean_caterpillar,_moth,_side_face_2014-06-06-11.56.39_ZS_PMax.jpg
Svastra_obliqua,_f,_face,_md,_kent_county_2014-07-22-09.42.41_ZS_PMax.jpg
Svastra_obliqua,_f,_side,_md,_kent_county_2014-07-22-09.46.48_ZS_PMax.jpg
velvetbean_caterpillar_pupae,_side_2014-06-04-21.16.17_ZS_PMax.jpg
Svastra_obliqua,_f,_back,_md,_kent_county_2014-07-22-09.36.07_ZS_PMax.jpg
Hyleoides_concinna,_m,_australia,_side_2014-08-10-10.44.37_ZS_PMax.jpg
Hyleoides_concinna_huge,_m,_australia,_angle_2014-08-10-10.21.30_ZS_PMax.jpg
Megachile_latimanus,_partial_side_2014-07-01-13.21.54_ZS_PMax.jpg
Phrictus_ocellatus,_venezuala_2016-02-23-20.58.jpg
Andrena_illini,_f,_side,_Somerset_Co,_MD_2016-03-16-12.51.jpg
Megachile_albitarsis,_f,_back,_Chambers_co,_Texas_2016-07-27-17.29.jpg
Lasioglossum_packeri,_F,_Back,_WY,_Park_County_2015-06-08-16.18.07_ZS_PMax.jpg
Andrena_carlini,_f,_back,_Cecil_Co._Maryland_2016-03-29-14.03.jpg
Megachile_albitarsis,_f,_side,_Chambers_co,_Texas_2016-07-27-17.52.jpg
Hylaeus_basilis,_M,_Face,_Michigan,_Keweenaw_Co_2014-11-20-08.53.jpg
Melissodes_confusa,_F,_Side,_UT,_Garfield_County_2014-06-17-17.09.jpg
Andrena_illini,_f,_back,_Somerset_Co,_MD_2016-03-16-12.00.jpg
Megachile_latimanus,_m,_back,_Maine,_Du_Clos_2015-12-01-15.56.jpg
Andrena_carlini,_f,_face,_Cecil_Co._Maryland_2016-03-29-14.22.jpg
Andrena_illini,_f,_face,_Somerset_Co,_MD_2016-03-16-12.35.jpg
Megachile_latimanus,_m,_face,_Maine,_Du_Clos_2015-12-01-16.08.jpg
Megachile_sculpturalis,_female,_back_2012-07-12-17.20.jpg
Diphaglossa_gayi,_f,_side,_chile_2014-08-04-18.17.33_ZS_PMax.jpg
Washed_Megachile,_f,_face,_chile_2014-08-06-10.34.14_ZS_PMax.jpg
Halictus_brunnescens,_M,_Side,_Greece,_Aegan_Islands,_Lesvos,_Mytilene_2015-03-06-11.12.16_ZS_PMax.jpg
Halictus_brunnescens,_M,_Face,_Greece,_Aegan_Islands,_Lesvos,_Mytilene_2015-03-06-10.59.55_ZS_PMax.jpg
Halictus_brunnescens,_M,_Back,_Greece,_Aegan_Islands,_Lesvos,_Mytilene_2015-03-06-10.48.42_ZS_PMax.jpg
velvetbean_caterpillar,_headside_2014-06-04-21.41.54_ZS_PMax.jpg
velvetbean_caterpillar,_moth,_face_2014-06-06-11.38.10_ZS_PMax.jpg
velvetbean_caterpillar,_moth,_back_2014-06-06-11.21.58_ZS_PMax.jpg
amegilla,_m,_australia,_back_2014-11-01-23.39.08_ZS_PMax.jpg
xylocopa_pop_green,_f,thailand,_wing_2014-08-14-21.44.37_ZS_PMax.jpg
xylocopa_pop_green,_f,thailand,_angle_2014-08-14-20.15.14_ZS_PMax.jpg
velvetbean_caterpillar,_moth,_side_face_2014-06-06-11.56.39_ZS_PMax.jpg
xylocopa_pop_green,_f,thailand,_side_2014-08-14-20.29.26_ZS_PMax.jpg
xylocopa_pop_green,_f,thailand,_wing2_2014-08-14-22.06.38_ZS_PMax.jpg
Hoplitis_spoliata,_male,_side,_NY,_Franklin_Co_2014-07-01-12.50.46_ZS_PMax.jpg
Triepeolus_concavus,_M,_side,_Dorchester_Co,_MD_2015-09-01-12.34.25_ZS_PMax_UDR.jpg
Triepeolus_concavus,_M,_back,_Dorchester_Co,_MD_2015-09-01-11.47.37_ZS_PMax_UDR.jpg
Svastra_atripes_atrimitra,_F,_Side,_GA,_Baker_County_2015-01-09-17.01.53_ZS_PMax.jpg
amegilla,_m,_australia,_side_2014-11-01-23.56.03_ZS_PMax.jpg
amegilla,_m,_australia,_face_2014-11-01-23.45.37_ZS_PMax.jpg
amegilla,_m,_australia,_under_2014-11-02-00.00.47_ZS_PMax.jpg
Anthophora_crinipes,_F,_Back,_Greece,_Aegean_Islands_2014-12-09-12.18.06_ZS_PMax.jpg
Meganomia_sp,_m,_south_africa,_side_2014-10-11-18.12.03_ZS_PMax.jpg
Megachile_sculpturalis,_f,_back,_md,_kent_county_2014-07-21-12.24.59_ZS_PMax.jpg
Hoplitis_spoliata,_male,_face,_NY,_Franklin_Co_2014-07-01-12.32.21_ZS_PMax.jpg
Megachile_sculpturalis,_f,_face,_md,_kent_county_2014-07-21-17.11.43_ZS_PMax.jpg
Martinapis_luteicornis,_M,_face,_Wilcox,_AL_2015-11-03-18.17.13_ZS_PMax_UDR.jpg
Triepeolus_concavus,_M,_face,_Dorchester_Co,_MD_2015-09-01-12.11.29_ZS_PMax_UDR.jpg
Svastra_atripes_atrimitra,_F,_Back,_GA,_Baker_County_2015-01-09-16.45.29_ZS_PMax.jpg
Svastra_atripes_atrimitra,_F,_Face,_GA,_Baker_County_2015-01-09-16.51.37_ZS_PMax.jpg
Anthophora_crinipes,_F,_Side,_Greece,_Aegean_Islands_2014-12-09-13.14.07_ZS_PMax.jpg
Megachile_campanulae,_male,_face_2012-07-06-18.26.jpg
Megachile_campanulae,_male,_underside_head_2012-07-06-18.44.jpg
Meganomia_sp,_m,_south_africa,_face_2014-10-11-18.08.09_ZS_PMax.jpg
Megachile_albitarsis,_f,_face,_chambers_co,_Texas_2016-07-27-17.38.jpg
Triepeolus_sp101,_m,_face,_Cochise_Co.,_AZ_2016-09-30-18.01.jpg
Triepeolus_sp101,_m,_right,_Cochise_Co.,_AZ_2016-09-30-18.10.jpg
Martinapis_luteicornis,_M,_side,_Wilcox,_AL_2015-11-03-18.47.45_ZS_PMax_UDR.jpg
Dianthidium_parkeri,_back,_Cochise_Co.,_AZ_2016-09-20-10.59.jpg
Dianthidium_parkeri,_right,_Cochise_Co.jpg
Dianthidium_parkeri,_face,_Cochise_Co.,_AZ_2016-09-20-11.13.jpg
bee_bright_geeen,_m,_argentina,_angle_2014-08-07-16.59.52_ZS_PMax.jpg
Phenocolletes_,_f,_australia,_face_2014-10-11-19.59.10_ZS_PMax.jpg
bee_bright_geeen,_m,_argentina,_face2_2014-08-07-17.21.49_ZS_PMax.jpg
Phenocolletes_,_f,_australia,_back_2014-10-11-19.55.14_ZS_PMax.jpg
bee_bright_geeen,_m,_argentina,_side_2014-08-07-17.43.37_ZS_PMax.jpg
Phenocolletes_,_f,_australia,_side_2014-10-11-20.11.36_ZS_PMax.jpg
melecta_pacifica,_f,_md,_pg,_back_2015-05-14-09.29.37_ZS_PMax.jpg
Melecta_pacifica,_f,_face,_Prince_Georges_county_2015-05-14-09.13.54_ZS_PMax.jpg
Melanempis_scoliiformis,f,_madagascar,_side_2014-10-11-18.34.56_ZS_PMax.jpg
bee_09856e08,m,_thailand,_angle_2014-08-09-11.19.21_ZS_PMax.jpg
melecta_pacifica,_f,_side,_md,_pg_2015-05-14-09.54.48_ZS_PMax.jpg
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