Beta Sheet Collection (page 4)

E coli virulence factor F006 / 9639
E. coli virulence factor. Molecular model of the beta-domain of the EspP autotransporter protein from the bacterium Escherichia coli

70S ribosome, molecular model F006 / 9638
70S ribosome. Molecular model of a 70S ribosome complex containing a Shine-Dalgarno helix, the point of mRNA (messenger ribonucleic acid) binding

Metal-sensing RNA molecule F006 / 9636
Metal-sensing RNA molecule. Molecular model of an M-box riboswitch, a length of RNA (ribonucleic acid) that regulates levels of metal ions in a cell

Trypsin molecule F006 / 9634
Trypsin molecule. Molecular model of the digestive protease enzyme trypsin. Trypsin is released by the pancreas to break down proteins into smaller chains of amino acids

PolyA polymerase and RNA F006 / 9635
Poly(A) polymerase and RNA. Molecular model of poly(A) polymerase complexed with RNA (ribonucleic acid) and ATP (adenosine triphosphate)

Internal ribosome entry site F006 / 9631
Internal ribosome entry site. Molecular model of an internal ribosome entry site nucleotide sequence from the hepatitis C virus. This sequence is essential for the initiation of viral translation

Trypsin molecule with inhibitor F006 / 9633
Trypsin molecule. Molecular model of the digestive protease enzyme beta-trypsin complexed with an inhibitor. Trypsin is released by the pancreas to break down proteins into smaller chains of amino

Interferon regulatory factor molecule F006 / 9630
Interferon regulatory factor. Molecular model of interferon regulatory factor 3 (IRF3, coils at right and left) bound to a DNA (deoxyribonucleic acid) molecule (red and blue)

Wilms tumor suppressor bound to DNA F006 / 9632
Wilms tumour suppressor bound to DNA. Molecular model of the zinc finger domain of the Wilms tumour suppressor protein bound to a strand of DNA (deoxyribonucleic acid)

Lactose binding protein molecule F006 / 9629
Lactose binding protein. Molecular model of a lectin protein from the peanut plant (Arachis hypogaea) bound to a lactose molecule

MscS ion channel protein structure F006 / 9626
MscS ion channel protein structure. Molecular model of a mechanosensitive channel of small conductance (MscS) from an Escherichia coli bacterium

Transport inhibitor response 1 protein F006 / 9628
Transport inhibitor response 1 protein. Molecular model of the transport inhibitor response 1 protein bound to the plant hormone auxin. This protein is involved in auxin gene regulation

Multidrug transporter molecule F006 / 9627
Multidrug transporter. Molecular model of the multidrug transporter Sav1866 from the bacterium Escherichia coli. This protein pumps drugs, including antibiotics, out of the bacterial cell

Mengovirus capsid, molecular model F006 / 9617
Mengovirus capsid, molecular model. A capsid consists of subunits called capsomeres that self-assemble to form the shell seen here

Insulin molecule F006 / 9625
Insulin, molecular model. Insulin plays an important role in blood sugar regulation. It is released from the pancreas when blood sugar levels are high, for example after a meal

MscL ion channel protein structure F006 / 9624
MscL ion channel protein structure. Molecular model of a mechanosensitive channel of large conductance (MscL) from a Mycobacterium tuberculosis bacterium

Endoplasmic reticulum chaperone protein F006 / 9623
Endoplasmic reticulum chaperone protein. Molecular model of the endoplasmic reticulum chaperone protein GRP94. This protein is essential for the maturation of cell-surface display proteins

RNA exosome complex, molecular model F006 / 9620
RNA exosome complex, molecular model. This multi-protein complex functions to break up strands of RNA (ribonucleic acid, pink) during biochemical processes

HIV antibody therapy, molecular model F006 / 9622
HIV antibody therapy. Molecular model of the interaction of the HIV surface protein gp120 (green) as it interacts with a human white blood cell surface protein (CD4)

Rhomboid protease molecule F006 / 9621
Rhomboid protease. Molecular model of the rhomboid protease enzyme GlpG from the bacterium Escherichia coli. Proteases are enzymes that break down proteins

Kinesin motor protein F006 / 9619
Kinesin motor protein. Molecular model of the ncd kinesin motor protein. Kinesin motor proteins transport vesicles containing intracellular cargo around the cell along microtubules

Molecular motor protein F006 / 9618
Myosin molecular motor protein, molecular model. Motor proteins convert chemical energy into mechanical movements in response to specific chemical stimuli

RNA editing enzyme F006 / 9615
RNA editing enzyme, molecular model. This enzyme binds to double-stranded RNA (ribonucleic acid)

Lysozyme molecule F006 / 9616
Lysozyme, molecular model. Lysozymes are enzymes found in a wide range of biological fluids such as tears, saliva and milk. This lysozyme is from chicken egg white

RNA-dependent RNA polymerase molecule F006 / 9611
RNA-dependent RNA polymerase, molecular model. This enzyme catalyses the replication of RNA (ribonucleic acid) from an RNA template

Titin muscle protein molecule F006 / 9612
Titin muscle protein. Molecular model of two immunoglobulin-like domains from the giant muscle protein titin

Integrin transmembrane domain F006 / 9614
Integrin transmembrane domain, molecular model. Integrins are transmembrane cell adhesion receptors

Cytochrome P450 and erythromycin F006 / 9610
Cytochrome P450 and erythromycin. Molecular model of human cytochrome P450 complexed with the antibiotic erythromycin. This protein plays a crucial role in metabolism in animals (including humans)

Growth factor receptor molecule F006 / 9613
Growth factor receptor. Molecular model of the transmembrane segment of the ErbB2 growth factor receptor

Nerve growth factor bound to receptor F006 / 9608
Nerve growth factor. Molecular model of human nerve growth factor bound to the TrkA receptor. NGF is a neurotrophin that acts on the development and function of nerves

Viral RNA packaging signal complex F006 / 9609
Viral RNA packaging signal complex. Molecular model of the muPsi RNA packaging signal complex from the Rous sarcoma vuris

HIV reverse transcription enzyme F006 / 9606
HIV reverse transcription enzyme. Molecular model of the reverse transcriptase enzyme (pink) found in HIV (the human immunodeficiency virus)

Haemoglobin, molecular model F006 / 9604
Haemoglobin, molecular model. This is deoxyhaemoglobin, the molecule in its non-oxygen bound state. Haemoglobin transports oxygen around the body in red blood cells

Rhomboid protease molecule F006 / 9607
Rhomboid protease. Molecular model of the rhomboid protease enzyme GlpG from the bacterium Escherichia coli. Proteases are enzymes that break down proteins

Glutamine synthetase enzyme F006 / 9598
Glutamine synthetase enzyme, molecular model. This ligase enzyme forms chemical bonds between molecules. It plays an important role in the metabolism of nitrogen by catalysing the condensation of

Insulin molecule F006 / 9605
Insulin molecule. Molecular model of the hormone insulin. Insulin consists of two peptide chains, A and B, which are linked by disulphide bridges

3-hydroxyacyl-CoA dehydrogenase F006 / 9602
3-hydroxyacyl-CoA dehydrogenase, molecular model. This enzyme is found in human heart tissue, and catalyses a reaction that is part of the beta-oxidation pathway

Hepatitis B virus capsid, molecular model F006 / 9594
Hepatitis B virus capsid, molecular model. This virus, transmitted through infected bodily fluids or blood, causes the disease hepatitis B in humans, leading to acute liver inflammation

Thrombin protein, molecular model F006 / 9603
Thrombin protein, molecular model. Thrombin is an enzyme involved in the blood coagulation (clotting) process. It converts fibrinogen (a soluble plasma glycoprotein synthesised in the liver)

Haemoglobin S, molecular model F006 / 9601
Haemoglobin S. Molecular model of the mutant form of haemoglobin (haemoglobin S) that causes sickle cell anaemia. This is deoxyhaemoglobin S, the molecule in its non-oxygen bound state

RNA-editing enzyme, molecular model F006 / 9599
RNA-editing enzyme. Molecular model of a left-handed, RNA double helix (Z-RNA, centre) bound by the Z alpha domain of the human RNA-editing enzyme ADAR1 (double-stranded RNA adenosine deaminase)

Protein kinase regulatory subunit F006 / 9600
Protein kinase regulatory subunit. Molecular model of a regulatory subunit from cAMP-dependent protein kinase bound to. This enzyme is also known as protein kinase A (PKA)

Cyanobacterial circadian clock protein F006 / 9595
Cyanobacterial circadian clock protein, molecular model. This protein is a kinase known as KaiC. Its structure is a hexamer

Programmed cell death protein molecule F006 / 9597
Human programmed cell death protein 4, molecular model. This protein is involved in apoptosis (programmed cell death)

Multidrug transporter molecule F006 / 9596
Multidrug transporter. Molecular model of the multidrug transporter EmrD from the bacterium Escherichia coli. This protein pumps drugs, including antibiotics, out of the bacterial cell

Respiratory complex I F006 / 9593
Respiratory complex I. Molecular model of the hydrophilic domain of respiratory complex I from the bacterium Thermus thermophilus. This enzyme is involved in energy production

Chymotrypsin digestive enzyme molecule F006 / 9577
Chymotrypsin digestive enzyme, molecular model. Chymotrypsin is a protease, an enzyme that breaks down proteins and peptides. It is secreted into the duodenum (small intestine) by the pancreas

Ribonuclease bound to transfer RNA F006 / 9591
Ribonuclease bound to transfer RNA, molecular model. This complex consists of the ribonuclease Z (RNase Z, green and pink) enzyme bound to a transfer RNA (tRNA) molecule (orange and blue)

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The beta sheet, a crucial element in the world of molecular biology and protein structure, plays a significant role in various biological processes. From DNA transcription to HIV reverse transcription enzyme, this secondary structure of proteins is an intricate masterpiece. In the realm of DNA transcription, the beta sheet takes center stage as it assists in unraveling genetic information. Its molecular model showcases its complexity and elegance, resembling an artistic creation that captivates scientists worldwide. Not only does the beta sheet contribute to DNA transcription, but it also plays a vital role in combating diseases. The Hepatitis C virus enzyme's molecular model reveals how this secondary structure aids in understanding and potentially treating this infectious disease. Another remarkable example lies within Manganese superoxide dismutase enzyme F006 / 9423. This intricate arrangement highlights how the beta sheet contributes to antioxidant defense mechanisms within our bodies. Moreover, Argonaute protein molecule F006 / 9526 demonstrates how the beta sheet collaborates with microRNA to regulate gene expression. This interaction holds immense potential for therapeutic interventions targeting various diseases. Immunoglobulin G antibody and egg white F006 / 9682 showcase yet another fascinating aspect of the beta sheet's versatility. Here we witness its involvement in immune responses against foreign substances present within our bodies. Furthermore, Cytochrome P450 complex F006 / 9669 illustrates how this secondary structure enables drug metabolism and detoxification processes essential for maintaining human health. Succinyl-CoA synthetase enzyme F006 / 9592 emphasizes another critical function of the beta sheet: energy production through cellular respiration pathways. Its presence ensures efficient conversion of succinyl-CoA into ATP molecules necessary for sustaining life processes. Additionally, RNA-induced silencing complex F006 / 9586 unveils how the beta sheet participates in gene regulation by suppressing specific mRNA molecules through small interfering RNAs (siRNAs).