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A carboxypeptidase is a protease enzyme that hydrolyzes a peptide bond at the carboxy-terminal end of a protein or peptide. 3D cartoon model, secondary structure color scheme, PDB 2v77, white background.

c-Myc and Max transcription factors bound to DNA. 3D illustration. Atoms shown as spheres with conventional color coding.

Molecular Model of Human Insulin with disulfide bonds shown.

Avibactam is a diazobicyclooctane inhibitor of gram-negative and gram-positive bacteria. Avibactam (red) inhibits the bacterial enzyme beta-lactamase (blue) of Clostridioides difficile.

Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration

Covid-19 Coronavirus Variants Omicron Delta Gamma Beta Alpha Pandemic Virus Disease Mutation

3D cartoon and Gaussian surface models, PDB 6vg8, white background

$In recent years, the presence of bacteria in the body has been reported as the cause of various biological phenomena, and the subject of bacteria is often a hot topic. This image shows bacteria under a microscope. These images of bacteria can be used universally for both good and bad bacteria.\nThis image was not created by AI.$

Segment of human collagen isolated on a white background

PKM2 plays key roles in reprogramming cancer cells from energy production to growth (Warburg Effect). The dimeric form of the enzyme is not only less active in glycolysis but can also move into the nucleus to promote the transcription of other cancer-causing genes. A substrate analogon (red) is bound to the active site. PKM2 is a target for anti-cancer therapies. PDB entry: 6WP3.

The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.

D Letter Made of Pills Drugs and Vitamins Isolated on White. 3D Render

CD47 also known as integrin associated protein is a transmembrane protein that in humans is encoded by the CD47 gene. CD47 belongs to the immunoglobulin superfamily and partners with membrane integrins and also binds the ligands thrombospondin-1 and signal-regulatory protein alpha. 3D cartoon and Gaussian surface models, chain id color scheme, based on PDB 2jjt, white background

Antibodies conjugated with drugs at the FC region are designed to attach a drug to the FC region of the antibody. This technology leverages the specificity of antibodies to deliver the drug directly to target cells. As a result, it can enhance the drug's effectiveness and reduce side effects. This approach is particularly promising in cancer treatment and therapies for autoimmune diseases.

Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.

Immunotherapy of Alzheimer's disease: Monoclonal antibody (light blue) bound to an amyloid beta peptide (orange), that is aggregated to amyloid beta fibrils, which build up amyloid plaques.

A ball and stick model of a Polytetrafluoroethylene molecule, also known as PTFE or most commonly Teflon. It is a polymer consisting of only carbon and fluorine atoms. It is used as a non-stick coating for cookware, as a lubricant, and it is also used to contain highly reactive chemicals as it is extremely non-reactive.

Cholera toxin, molecular model. Cholera toxin (choleragen) is a protein complex secreted by the bacterium Vibrio cholerae, that causes the disease cholera. It is made up of a wedge-shaped A subunit (right part of illustration) and five B subunits (left part of illustration) that form a ring which binds to the intestinal lining. In its most severe forms, cholera is one of the most rapidly fatal illnesses known.

3D cartoon and Gaussian surface models. PDB 2aai, white background.

Red cellular tissue, executives and pill-shaped pills

The structure of the protein molecule, tumor marker glioblastoma. X-ray crystalline model of the protein encoded by the MELK gene. 3D rendering.

$Organic objects form a triangle. Artificial space incorporating organic materials.\nThis work was policy within one month. It is also an original work for this brief and cannot be used elsewhere.$

Calmodulin is an intracelular target of calcium ions. Once activated by Ca2+ (red), calmodulin interacts with various target proteins such as kinases and phosphatases.. It plays an important role in long-term memory. and muscle contraction. CaM has 4 calcium binding sites. PDB entry 3CLN, 1CFD

Infinity sign made out of multiple spheres and circular shapes against grey background.

Free Images: "bestof:PDB 1nol EBI.jpg All beta proteins Immunoglobulin-like beta-sandwich E set domains Arthropod hemocyanin C-terminal domain Arthropod hemocyanin C-terminal domain"

Colletes_hederae,_f,_country_unk,_face_2014-08-09-18.06.18_ZS_PMax.jpg

Colletes_hederae,_f,_country_unk,_side_2014-08-09-18.15.49_ZS_PMax.jpg

centepede_2015-04-16-09.57.17_ZS_PMax.jpg

Andrena_nida,_M,_Face,_Maryland,_Calvert_County_2013-05-21-17.38.22_ZS_PMax.jpg

Perilampus_fulvicornis_(tent),_F,_Side,_MD,_Baltimore_County,_Hart-Miller_Island_2014-07-10-15.18.21_ZS_PMax.jpg

Andrena_milwaukeensis,_Female,_Side,_WV,_Randolph_Co_2013-05-31-18.44.38_ZS_PMax.jpg

Perilampus_fulvicornis_(tent),_F,_Back,_MD,_Baltimore_County,_Hart-Miller_Island_2014-07-10-15.09.31_ZS_PMax.jpg

Honeybee_drone,_m,_side,_MD,_pg_county_2014-06-19-18.02.13_ZS_PMax.jpg

Tibicen_tibicen,_Cicada,_side,_md,_upper_marlboro,_pg_county_2014-09-02-12.15.50_ZS_PMax.jpg

Tibicen_tibicen,_Cicada,_back,_md,_upper_marlboro,_pg_county_2014-09-02-11.54.18_ZS_PMax.jpg

Honeybee_drone,_m,_face,_MD,_pg_county_2014-06-19-17.49.09_ZS_PMax.jpg

Triepeolus_simplex,_m,_side,_md,_kenty_county_2014-07-22-10.17.34_ZS_PMax.jpg

Triepeolus_simplex,_m,_back,_md,_kenty_county_2014-07-22-10.01.36_ZS_PMax.jpg

Tibicen_tibicen,_Cicada,_face,_md,_upper_marlboro,_pg_county_2014-09-02-11.56.49_ZS_PMax.jpg

xylocopa_india_yellow,_m,_india,_face_2014-08-10-11.17.01_ZS_PMax.jpg

xylocopa_india_yellow,_m,_india,_angle_2014-08-10-10.55.37_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

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

velvetbean_caterpillar,_headside_2014-06-04-21.41.54_ZS_PMax.jpg

bombus_eximias,_f,_tawain,_face_2014-08-10-09.44.49_ZS_PMax.jpg

bombus_eximias,_f,_tawain,_angle_2014-08-10-09.26.54_ZS_PMax.jpg

velvetbean_caterpillar,_eggs_2014-06-06-14.48.01_ZS_PMax.jpg

Anthophora_plumipes,_M,_Side,_MD,_PG_County_2014-04-17-12.47.18_ZS_PMax.jpg

Andrena_arabis,_M,_Face,_NY,_Orange_Co_2013-06-07-17.49.58_ZS_PMax.jpg

Bombus_ternarius,_F,_Back,_NY,_Franklin_County_2014-07-01-16.18.08_ZS_PMax.jpg

Andrena_nida,_M,_Side,_Maryland,_Calvert_County_2013-05-21-17.51.35_ZS_PMax.jpg

Andrena_distans,_F,_Side,_VA,_Gales_County_2014-01-23-16.37.47_ZS_PMax.jpg

Orthonevra_nitida_engravers_eye,_face,_pg_county,_md_2014-07-16-20.44.03_ZS_PMax.jpg

Eufriesea_pulchra,_m,_back,_guyana_2014-07-26-16.28.58_ZS_PMax.jpg

Eufriesea_pulchra,_m,_face,_guyana_2014-07-26-16.40.17_ZS_PMax.jpg

Osmia_sandhouseae,_U,_side,_Georgia,_Camden_County_2013-01-16-15.28.44_ZS_PMax.jpg

Svastra_obliqua,_f,_face,_md,_kent_county_2014-07-22-09.42.41_ZS_PMax.jpg

Svastra_obliqua,_f,_back,_md,_kent_county_2014-07-22-09.36.07_ZS_PMax.jpg

Osmia_distincta,_side_2012-07-02-17.35.19_ZS_PMax.jpg

Hyleoides_concinna,_m,_australia,_side_2014-08-10-10.44.37_ZS_PMax.jpg

Gargaphia_solani,_talbot,_md,_back_2015-05-17-16.28.42_ZS_PMax.jpg

Perdita_halictoides,_F,_face,_Florida,_St._Johns_County_2013-03-05-15.20.19_ZS_PMax.jpg

Tibicen_tibicen,_Cicada,_face2,_md,_upper_marlboro,_pg_county_2014-09-02-12.11.53_ZS_PMax.jpg

Hyleoides_concinna_huge,_m,_australia,_angle_2014-08-10-10.21.30_ZS_PMax.jpg

bombus_eximias,_f,_tawain,_side_2014-08-10-09.55.23_ZS_PMax.jpg

xylocopa_india_yellow,_m,_india,_side_2014-08-10-11.25.57_ZS_PMax.jpg

Megachile_latimanus,_partial_side_2014-07-01-13.21.54_ZS_PMax.jpg

Chlorotabanus_crepuscularis,_Green_Horse_Fly,_Duck,_NC_2016-01-07-14.09.jpg

Chlorotabanus_crepuscularis,_Green_horse_fly,_Duck,_NC_2016-01-07-14.51.jpg

Chlorotabanus_crepuscularis,_Green_Horse_Fly,_Duck,_nc_2016-01-07-14.30.jpg

Thyreus_wallacei,_m,_face,_philippines,_mt_banahaw_2014-07-15-18.47.38_ZS_PMax.jpg

Chelostoma_rapunculi,_m,_side,_warren_county,_ny_2014-07-05-17.29.12_ZS_PMax.jpg

Triepeolus_simplex,_m,_face,_md,_kent_county_2014-07-22-10.09.37_ZS_PMax.jpg

Paragus_haemorrhous,_F,_Face,_badlands,_sd_2014-09-19-15.20.45_ZS_PMax.jpg

Triepeolus_sp,_F,_Side,_GA,_Silver_Lake_2014-10-09-11.49.18_ZS_PMax.jpg

Paragus_haemorrhous,_F,_back,_Badlands,_SD_2014-09-19-15.30.08_ZS_PMax.jpg

Chrysura_species,_chrysididae,_kyrgystan,_side_2014-08-10-10.08.35_ZS_PMax.jpg

velvetbean_caterpillar,_moth,_side_face_2014-06-06-11.56.39_ZS_PMax.jpg

Triepeolus_sp,_F,_Back,_GA,_Silver_Lake_2014-10-09-11.21.19_ZS_PMax.jpg

$Caupolicana_gaullei,_m,_brazil,_angle_2014-08-14-09.30.49_ZS_PMax.jpg$

Dinagapostemon_sicheli,_m,_mexico,_105_years_old_2014-08-05-22.18.06_ZS_PMax.jpg

Hoplitis_spoliata,_male,_side,_NY,_Franklin_Co_2014-07-01-12.50.46_ZS_PMax.jpg

Eucera_fulvohirta,_M,_Back,_WY,_Lincoln_Co_2014-11-01-20.40.05_ZS_PMax.jpg

chelostoma_rapunculi,_f,_back,_warren,_nyu_2014-07-03-09.32.48_ZS_PMax.jpg

Eucera_fulvohirta,_M,_Face,_WY,_Lincoln_Co_2014-11-01-20.54.10_ZS_PMax.jpg

Svastra_obliqua,_f,_side,_md,_kent_county_2014-07-22-09.46.48_ZS_PMax.jpg

Nomia_heart_antennae,_m,_15266b02,_face2,_kenya_2014-08-05-07.02.35_ZS_PMax.jpg

Cicada,_shell,_upper_marlboro,_md_2014-07-10-19.57.12_ZS_PMax.jpg

chelostoma_rapunculi,_f,_back,_warren,_nyu_2014-07-05-18.38.51_ZS_PMax.jpg

Chelostoma_rapunculi,_m,_face,_ny,_warren_2014-07-05-17.10.29_ZS_PMax.jpg

chelostoma_rapunculi,_f,_side,_ny,_warren_2014-07-05-18.58.19_ZS_PMax.jpg

Cicada_shell,_face,_upper_marlboro,_md_2014-07-10-19.48.51_ZS_PMax.jpg

Thyreus_white_species,_f,_back,_ethiopia_2014-07-16-10.24.14_ZS_PMax.jpg

chelostoma_rapunculi,_f,_face,_ny,_warren_2014-07-05-18.44.48_ZS_PMax.jpg

Thyreus_white_species,_f,_head2,_ethiopia_2014-07-16-10.42.14_ZS_PMax.jpg

Thyreus_white_species,_f,_side,_ethiopia_2014-07-16-10.47.03_ZS_PMax.jpg

Nomia_heart_antennae,_m,_15266b02,_face,_kenya_2014-08-04-19.52.16_ZS_PMax.jpg

Osmia_rufohirta,_M,_Back,_Greece,_Aegean_Islands,_Lesvos,_Mytilene_2015-02-12-14.21.51_ZS_PMax.jpg

Chrysidid_Wasp,_Side_2014-07-01-11.12.50_ZS_PMax.jpg

Nomia_heart_antennae,_m,_15266b02,_face3,_kenya_2014-08-05-07.17.38_ZS_PMax.jpg

Megachile_montenegrensis,_M,_Side,_Greece,_Aegean_Islands,_Lesvos,_Mytilene_2015-02-12-14.37.26_ZS_PMax.jpg

Osmia_rufohirta,_M,_Side,_Greece,_Aegean_Islands,_Lesvos,_Mytilene_2015-02-12-13.43.45_ZS_PMax.jpg

Megachile_montenegrensis,_M,_Face,_Greece,_Aegean_Islands,_Lesvos,_Mytilene_2015-02-12-15.44.02_ZS_PMax.jpg

Thyreus_wallacei,_m,_back,_philippines,_mt_banahaw_2014-07-15-18.54.08_ZS_PMax.jpg

Gynandromorph,_Lasioglossum_hitchensi,_Back,_MD,_St_Marys_County_2014-05-27-16.26.23_ZS_PMax.jpg

L._reticulatum,_F,_back,_Camden_County,_Georgia_2013-01-30-14.07.06_ZS_PMax.jpg

Agapostemon_splendens,_f,_head,_anne_arundel_county,_md_2014-07-09-13.37.57_ZS_PMax.jpg

Hoplitis_spoliata,_male,_face,_NY,_Franklin_Co_2014-07-01-12.32.21_ZS_PMax.jpg

Agapostemon_sericeus,_M,_back,_Pr._Georges_Co.,_Maryland_2014-01-20-13.16.jpg

exaerete_frontalis,_back,_guyana_2014-06-18-17.19.27_ZS_PMax.jpg

Agapostemon_sericeus,_M,_face,_Pr._Georges_Co.,_Maryland_2014-01-20-13.25.36_ZS_PMax.jpg

Scorpion,_Arkansas,_FT,_curl_2016-05-10-16.15.jpg

Christmas_Cactus_Mite,_beltsville,_md3_2016-07-19-13.51.37_ZS_PMax_UDR.jpg

Christmas_Cactus_mite,_beltsville,_md2_2016-07-19-14.09.29_ZS_PMax_UDR.jpg

Eucera_fulvohirta,_M,_Side,_WY,_Lincoln_Co_2014-11-01-21.18.28_ZS_PMax.jpg

Nomada_articulata,_m,_talbot,_md,_side_2015-05-17-16.42.36_ZS_PMax.jpg

Nomada_articulata,_m,_talbot,_md,_face_2015-05-17-16.38.02_ZS_PMax.jpg

Nomia_species,_m,_oman,_angle_2014-08-09-19.16.10_ZS_PMax.jpg

Nomia_species,_m,_oman,_side_2014-08-09-20.08.16_ZS_PMax.jpg

Coelioxys_dolichos,_f,_back,_md,_kent_county_2014-07-21-11.18.01_ZS_PMax.jpg

Coelioxys_dolichos,_f,_face,_md,_kent_county_2014-07-21-11.25.42_ZS_PMax.jpg