Integral proteins are in
... The basis of membrane structure is a lipid bilayer To answer the question that how many lipid layers were in membrane, in 1925 Gorter and Grendel extracted the lipids from a known number of erythrocytes and spread the lipid film on a water surface. The area of lipid film on the water was about twice ...
... The basis of membrane structure is a lipid bilayer To answer the question that how many lipid layers were in membrane, in 1925 Gorter and Grendel extracted the lipids from a known number of erythrocytes and spread the lipid film on a water surface. The area of lipid film on the water was about twice ...
Cell Death and Differentiation
... The BAG domain was originally identified in human cells, based on its ability to bind to BCL2 (an antiapoptotic protein) and promote cell survival.16,32 Accordingly, we investigated whether the biological function of AtBAG6 is associated with cell survival by expressing the protein in a unicellular ...
... The BAG domain was originally identified in human cells, based on its ability to bind to BCL2 (an antiapoptotic protein) and promote cell survival.16,32 Accordingly, we investigated whether the biological function of AtBAG6 is associated with cell survival by expressing the protein in a unicellular ...
Expression of KCNA10, a Voltage-Gated K Channel, in Glomerular
... was nearly completely abolished by the addition of the peptide. KCNA10 is the only Kv channel gene that is more abundantly expressed in kidney than in brain (18). Figure 1c confirms that KCNA10 protein is highly expressed in kidney and readily detectable in both crude and purified membrane vesicles ...
... was nearly completely abolished by the addition of the peptide. KCNA10 is the only Kv channel gene that is more abundantly expressed in kidney than in brain (18). Figure 1c confirms that KCNA10 protein is highly expressed in kidney and readily detectable in both crude and purified membrane vesicles ...
WorkSheet_4ANS
... Digestion at the Brush Border (surface of intestinal epithelial cells): 1. Since pancreatic juice does not contain appreciable aminopeptidase activity, final digestion of di- and small peptides depends on brush border enzymes. 2. The surface of intestinal epithelial cells is rich in endopeptidases a ...
... Digestion at the Brush Border (surface of intestinal epithelial cells): 1. Since pancreatic juice does not contain appreciable aminopeptidase activity, final digestion of di- and small peptides depends on brush border enzymes. 2. The surface of intestinal epithelial cells is rich in endopeptidases a ...
Chapter 14 Proteins
... ◦ The N-H groups of peptide bonds point in the same direction, roughly parallel to the axis of the helix. ◦ The C=O groups of peptide bonds point in the opposite direction, also roughly parallel to the axis of the helix. ◦ The C=O group of each peptide bond is hydrogen bonded to the N-H group of the ...
... ◦ The N-H groups of peptide bonds point in the same direction, roughly parallel to the axis of the helix. ◦ The C=O groups of peptide bonds point in the opposite direction, also roughly parallel to the axis of the helix. ◦ The C=O group of each peptide bond is hydrogen bonded to the N-H group of the ...
- BioTek Instruments
... Law. Most proteins have a peak absorbance at this wavelength due to the presence of the aromatic amino acids tryptophan, tyrosine and phenylalanine. A280 measurements remain popular, as they are rapid, do not require additional reagents, are non-destructive, and provide good linear dynamic range. Al ...
... Law. Most proteins have a peak absorbance at this wavelength due to the presence of the aromatic amino acids tryptophan, tyrosine and phenylalanine. A280 measurements remain popular, as they are rapid, do not require additional reagents, are non-destructive, and provide good linear dynamic range. Al ...
Primary and secondary metabolism, and post
... classes of proteins (Table 2). The master gel reference maps are the basis for the production of a publicly accessible proteome database (http://qbab.aber.ac.uk/S_coeli/ ReferenceGel/refgel.html, see last Results section). Analysis of co- and post-translational modifications The results of MALDI-TOF ...
... classes of proteins (Table 2). The master gel reference maps are the basis for the production of a publicly accessible proteome database (http://qbab.aber.ac.uk/S_coeli/ ReferenceGel/refgel.html, see last Results section). Analysis of co- and post-translational modifications The results of MALDI-TOF ...
4 Plasma Membrane Transport
... same as that inside the cell (no movement) Hypertonic solution: Solute concentration is greater than that inside the cell; cell loses water Hypotonic solution: Solute concentration is less than that inside the cell; cell gains water ...
... same as that inside the cell (no movement) Hypertonic solution: Solute concentration is greater than that inside the cell; cell loses water Hypotonic solution: Solute concentration is less than that inside the cell; cell gains water ...
2. Proteins have Hierarchies of Structure
... Figure II.2.10. Twist of β-pleated sheets. (a) Region of (φ,ψ)-map corresponding to the β-sheet region (region II in Figure II.1.7(a)). The diagonal indicates the loci of dihedral angles in planar zigzag (2-fold helical) structures. The dihedral angle positions of the ideal parallel (↑↑) and antipar ...
... Figure II.2.10. Twist of β-pleated sheets. (a) Region of (φ,ψ)-map corresponding to the β-sheet region (region II in Figure II.1.7(a)). The diagonal indicates the loci of dihedral angles in planar zigzag (2-fold helical) structures. The dihedral angle positions of the ideal parallel (↑↑) and antipar ...
Ch5Carbs
... Order of amino acids in chain determined by gene (DNA) slight change in amino acid sequence (caused by DNA mutation) can affect protein’s structure & its function ...
... Order of amino acids in chain determined by gene (DNA) slight change in amino acid sequence (caused by DNA mutation) can affect protein’s structure & its function ...
05_lecture_presentation
... Concept 5.3: Lipids are a diverse group of hydrophobic molecules • Lipids are the one class of large biological molecules that do not form polymers • The unifying feature of lipids is having little or no affinity for water • Lipids are hydrophobic because they consist mostly of hydrocarbons, which ...
... Concept 5.3: Lipids are a diverse group of hydrophobic molecules • Lipids are the one class of large biological molecules that do not form polymers • The unifying feature of lipids is having little or no affinity for water • Lipids are hydrophobic because they consist mostly of hydrocarbons, which ...
Small, K, Wagener, M and Warren, ST: Isolation and characterization of the complete mouse emerin gene. Mammalian Genome 8:337-341 (1997).
... phosphorylation sites as well as five sites each for protein kinase C and casein kinase II were found to be conserved among all three emerin homologs (Fig. 4). Furthermore, the three most N-terminal phosphorylation sites predicted for emerin are also present in thymopoietins (Fig. 3). Two N-glycosyl ...
... phosphorylation sites as well as five sites each for protein kinase C and casein kinase II were found to be conserved among all three emerin homologs (Fig. 4). Furthermore, the three most N-terminal phosphorylation sites predicted for emerin are also present in thymopoietins (Fig. 3). Two N-glycosyl ...
Bio3460-22 Hormones
... Fig. 1 Contrasting stomatal responses to exogenous ABA applied to diverse lineages of ...
... Fig. 1 Contrasting stomatal responses to exogenous ABA applied to diverse lineages of ...
Vipp1: a very important protein in plastids?!
... with significant similarities to Vipp1 have been identified in several non-photosynthetic bacteria (Fig. 1) in form of the phage shock protein A (PspA) (Brissette et al., 1990). PspA was first characterized following infection of Escherichia coli cells with filamentous phages, whereby the phage gene ...
... with significant similarities to Vipp1 have been identified in several non-photosynthetic bacteria (Fig. 1) in form of the phage shock protein A (PspA) (Brissette et al., 1990). PspA was first characterized following infection of Escherichia coli cells with filamentous phages, whereby the phage gene ...
Oxidative stress in bacteria and protein damage by reactive oxygen
... reversible oxidation mechanism, because bacterial cell response can restore the redox homeostasis of the cytosol and eliminate harmful oxidant by activation of the transcription factors SoxRS and OxyR. Irreversible oxidation of amino acid residues in a protein can be exerted by two major mechanisms: ...
... reversible oxidation mechanism, because bacterial cell response can restore the redox homeostasis of the cytosol and eliminate harmful oxidant by activation of the transcription factors SoxRS and OxyR. Irreversible oxidation of amino acid residues in a protein can be exerted by two major mechanisms: ...
The ts111 Mutation of Paramecium tetraurelia Affects a
... at 35 o C induces disassembly of the infraciliary lattice (ICL). In this study, we found that the ts111 mutation also results in significant abnormalities in the number and structure of contractile vacuole complexes (CVCs) and in their functioning at the restrictive temperature. In order to characte ...
... at 35 o C induces disassembly of the infraciliary lattice (ICL). In this study, we found that the ts111 mutation also results in significant abnormalities in the number and structure of contractile vacuole complexes (CVCs) and in their functioning at the restrictive temperature. In order to characte ...
SED4 Encodes a Yeast Endoplasmic Reticulum
... HE transport of proteins between successive organelles of the secretory pathway is mediated by vesicle carriers that bud from the membrane of the donor compartment and then fuse with the membrane of the acceptor compartment (Palade, 1975). A general feature of vesicle formation is the recruitment of ...
... HE transport of proteins between successive organelles of the secretory pathway is mediated by vesicle carriers that bud from the membrane of the donor compartment and then fuse with the membrane of the acceptor compartment (Palade, 1975). A general feature of vesicle formation is the recruitment of ...
Lecture 8
... • Ampholytes (amphoteric electrolytes)-low molecular mass (600900D) ooligomers with aliphatic amino and carboxylic acid groups with a range of isoelectric points. Ampholytes help maintain the pH gradiennt in the presence of high voltage. • Can also use gels with immobilized pH gradients -made of acr ...
... • Ampholytes (amphoteric electrolytes)-low molecular mass (600900D) ooligomers with aliphatic amino and carboxylic acid groups with a range of isoelectric points. Ampholytes help maintain the pH gradiennt in the presence of high voltage. • Can also use gels with immobilized pH gradients -made of acr ...
Srivastava, Sanjay: Analysis of Methods for Predicting Protein Fold and Remote Homologue Recognition
... the potential energy function that includes parameters such as pair-wise potentials of sidechain interactions and scores for buried hydrophobic residues. In addition, these methods can include parameters derived from comparative modeling and ab initio predictions. Comparative modeling and threading ...
... the potential energy function that includes parameters such as pair-wise potentials of sidechain interactions and scores for buried hydrophobic residues. In addition, these methods can include parameters derived from comparative modeling and ab initio predictions. Comparative modeling and threading ...
Basic concepts of molecular biology and proteins I
... (NH2), a carboxyl group (COOH), a hydrogen atom (H), and a side chain (R). (b) In a polypeptide chain the carboxyl group of amino acid n has formed a peptide bond, C-N, to the amino group of amino acid n + 1. One water molecule is eliminated in this process. The repeating units, which are called res ...
... (NH2), a carboxyl group (COOH), a hydrogen atom (H), and a side chain (R). (b) In a polypeptide chain the carboxyl group of amino acid n has formed a peptide bond, C-N, to the amino group of amino acid n + 1. One water molecule is eliminated in this process. The repeating units, which are called res ...
Crossing Membranes 1 – Passive Processes
... ClWhy can ions not diffuse freely across the membrane? ...
... ClWhy can ions not diffuse freely across the membrane? ...