The 10.8-AA structure of Saccharomyces cerevisiae
... (Blangy, 1968) and their activity is mainly regulated by only two effectors, an activator (adenosine diphosphate; ADP) and an inhibitor (phosphoenol pyruvate; PEP) (Evans, 1992). The bacterial subunits are elongated and are composed of two domains, a small domain that binds Fru 6-P and a large domain ...
... (Blangy, 1968) and their activity is mainly regulated by only two effectors, an activator (adenosine diphosphate; ADP) and an inhibitor (phosphoenol pyruvate; PEP) (Evans, 1992). The bacterial subunits are elongated and are composed of two domains, a small domain that binds Fru 6-P and a large domain ...
Lecture 4| Enzyme Catalysis: Structural basis and energetics of
... between substrate and enzyme – Hydrophobic to hydrophobic – Hydrogen bonding – Favorable Coulombic interac(ons ...
... between substrate and enzyme – Hydrophobic to hydrophobic – Hydrogen bonding – Favorable Coulombic interac(ons ...
Sex Chromosomes
... • Progeny of cells all have same inactivated X chromosome as original (clonality), creating mosaic individual. • X inactivation is irreversible. • Inactivation of X involves heterochromatinization and late replication of the chromosome. ...
... • Progeny of cells all have same inactivated X chromosome as original (clonality), creating mosaic individual. • X inactivation is irreversible. • Inactivation of X involves heterochromatinization and late replication of the chromosome. ...
Wobbling of What - Semantic Scholar
... This form is determined by two forces – complementary interactions and stacking (interaction of neighboring nucleotides). Stacking is a nonspecific event as there is a wellknown formula: purine purine>purinepyrimidine>pyrimidinepyrimidine. In the third position of the codon the number of the fo ...
... This form is determined by two forces – complementary interactions and stacking (interaction of neighboring nucleotides). Stacking is a nonspecific event as there is a wellknown formula: purine purine>purinepyrimidine>pyrimidinepyrimidine. In the third position of the codon the number of the fo ...
Full Text - the American Society of Animal Science
... elucidated several candidate genes, such as the adipocyte fatty-acid binding protein [(FABP)-4] and heart fatty-acid binding protein (FABP-3), involved in intracellular targeting of fatty acids (Gerbens et al., 1998, 1999); the diacylglycerol acyltransferase 1 (DGAT1), which controls triglyceride st ...
... elucidated several candidate genes, such as the adipocyte fatty-acid binding protein [(FABP)-4] and heart fatty-acid binding protein (FABP-3), involved in intracellular targeting of fatty acids (Gerbens et al., 1998, 1999); the diacylglycerol acyltransferase 1 (DGAT1), which controls triglyceride st ...
Control of notochord gene expression by Brachyury
... -In Ciona, Brachyury controls its direct transcriptional targets through two mechanisms: small clusters of cooperative binding sites or individual binding sites -cooperative and individual binding sites control earlyonset and middle-onset targets, respectively ...
... -In Ciona, Brachyury controls its direct transcriptional targets through two mechanisms: small clusters of cooperative binding sites or individual binding sites -cooperative and individual binding sites control earlyonset and middle-onset targets, respectively ...
Insertion (sufB) in the anticodon loop or base substitution (sufC) in
... reminiscent of that of sufBl and sufB2 (2). To understand the mechanism by which a mutated tRNA can correct a reading frame error, it is necessary to know both the mRNA sequence at the rrameshifring site and to identify the change in the tRNA molecule causing the frameshift to occur. This paper addr ...
... reminiscent of that of sufBl and sufB2 (2). To understand the mechanism by which a mutated tRNA can correct a reading frame error, it is necessary to know both the mRNA sequence at the rrameshifring site and to identify the change in the tRNA molecule causing the frameshift to occur. This paper addr ...
The Rhopalosiphum padi virus 59 internal ribosome entry site is
... the 59 IRES was inserted into a dicistronic mRNA (compared to a dicistronic mRNA lacking an IRES). We have also observed a 180-fold increase in LUC expression from the RhPV IRES in mosquito cells using the same plasmids (Kohl et al., 2004). In a recent report, Masoumi et al. (2003) demonstrated that ...
... the 59 IRES was inserted into a dicistronic mRNA (compared to a dicistronic mRNA lacking an IRES). We have also observed a 180-fold increase in LUC expression from the RhPV IRES in mosquito cells using the same plasmids (Kohl et al., 2004). In a recent report, Masoumi et al. (2003) demonstrated that ...
Translational Repression of C. elegans p53 by GLD
... 2003; Vassilev et al., 2004). Such a therapeutic approach highlights the need to uncover additional pathways and mechanisms that negatively regulate p53 levels or activity. Most studies on p53 signaling have been conducted in cell culture-based systems, and their translation into mouse models is oft ...
... 2003; Vassilev et al., 2004). Such a therapeutic approach highlights the need to uncover additional pathways and mechanisms that negatively regulate p53 levels or activity. Most studies on p53 signaling have been conducted in cell culture-based systems, and their translation into mouse models is oft ...
Inquiry into Life Twelfth Edition
... • cAMP added to E. coli can overcome catabolite repression of lac operon • Addition of cAMP lead to activation of the lac gene even in the presence of glucose • Positive controller of lac operon has 2 parts: – cAMP – Protein factor is known as: • Catabolite activator protein or CAP ...
... • cAMP added to E. coli can overcome catabolite repression of lac operon • Addition of cAMP lead to activation of the lac gene even in the presence of glucose • Positive controller of lac operon has 2 parts: – cAMP – Protein factor is known as: • Catabolite activator protein or CAP ...
XASH genes promote neurogenesis in Xenopus embryos
... area fated to become part of the neural plate, including presumptive brain and spinal areas (Zimmerman et al., 1993). This makes XASH-3 one of the earliest expressed neural-specific transcription factors in the Xenopus embryo. Since induction of the neural plate by the organizer begins at the onset ...
... area fated to become part of the neural plate, including presumptive brain and spinal areas (Zimmerman et al., 1993). This makes XASH-3 one of the earliest expressed neural-specific transcription factors in the Xenopus embryo. Since induction of the neural plate by the organizer begins at the onset ...
Full wwPDB X-ray Structure Validation Report i
... fraction of residues that contain outliers for >=3, 2, 1 and 0 types of geometric quality criteria. A grey segment represents the fraction of residues that are not modelled. The numeric value for each fraction is indicated below the corresponding segment, with a dot representing fractions <=5% The u ...
... fraction of residues that contain outliers for >=3, 2, 1 and 0 types of geometric quality criteria. A grey segment represents the fraction of residues that are not modelled. The numeric value for each fraction is indicated below the corresponding segment, with a dot representing fractions <=5% The u ...
Transcription factories are nuclear subcompartments that remain in
... liver cells, showing significantly higher cross-linking frequency across the locus when compared with the brain (P < 0.001). However, a significant disruption in the interactions of Hbb-b1 with HS2 and HS3 of the LCR was observed in heat-shock treatment compared to both untreated (P = 0.014, P = 0.0 ...
... liver cells, showing significantly higher cross-linking frequency across the locus when compared with the brain (P < 0.001). However, a significant disruption in the interactions of Hbb-b1 with HS2 and HS3 of the LCR was observed in heat-shock treatment compared to both untreated (P = 0.014, P = 0.0 ...
... terminus. FMDV 2A activity was studied in artificial polyproteins in which sequences encoding reporter proteins flanked the 2A sequence such that a single, long, open reading frame was created. The self-processing properties of these artificial polyproteins were investigated and the co-translational ...
iron-regulatory protein 1
... been previously described by Moeder et al. [20] and was named KO-661 [20]. Lines homozygous for the disruption were isolated, and used for further studies. When the mutants were grown in a greenhouse, or in hydroponic cultures under controlled conditions, they displayed no macroscopic phenotype. Fur ...
... been previously described by Moeder et al. [20] and was named KO-661 [20]. Lines homozygous for the disruption were isolated, and used for further studies. When the mutants were grown in a greenhouse, or in hydroponic cultures under controlled conditions, they displayed no macroscopic phenotype. Fur ...
A novel exon within the mdm2 gene modulates translation
... al., 1997). The eect is independent of p53 since both wild type and p53 null mice were similarly aected. The mdm2 protein can be divided into sub-domains (reviewed by Piette et al., 1997). Human mdm2 is composed of 491 residues (see Figure 1) and interactions with p53 and E2F-1/DP1 occur within th ...
... al., 1997). The eect is independent of p53 since both wild type and p53 null mice were similarly aected. The mdm2 protein can be divided into sub-domains (reviewed by Piette et al., 1997). Human mdm2 is composed of 491 residues (see Figure 1) and interactions with p53 and E2F-1/DP1 occur within th ...
Get - Wiley Online Library
... As with most molecules with rotational freedom about single bonds, certain conformations of nucleotides are usually preferred as a result of steric constraints. Ranges of torsion angle are commonly defined by the Klyne–Prelog nomenclature developed for spectroscopists, in which those of approximately ...
... As with most molecules with rotational freedom about single bonds, certain conformations of nucleotides are usually preferred as a result of steric constraints. Ranges of torsion angle are commonly defined by the Klyne–Prelog nomenclature developed for spectroscopists, in which those of approximately ...
Complementary DNA Cloning, Messenger RNA
... nantly involved in detoxification reactions (1,2). They are found in all tissues and species, including bacteria (3), yeast (4), and plants (2). In higher organisms, three classes of GST protein, a, n, and 7T(1, 2), have been discriminated; a fourth class, 0, has been tentatively identified, althoug ...
... nantly involved in detoxification reactions (1,2). They are found in all tissues and species, including bacteria (3), yeast (4), and plants (2). In higher organisms, three classes of GST protein, a, n, and 7T(1, 2), have been discriminated; a fourth class, 0, has been tentatively identified, althoug ...
LNA-PNA Comparison4
... The incorporation of LNA in an oligonucleotide increases the affinity of that oligonucleotide for its complementary RNA or DNA target by increasing the melting temperature (Tm) of the duplex. Additionally, the Tm difference between a perfectly matched target and a mismatched target is substantially ...
... The incorporation of LNA in an oligonucleotide increases the affinity of that oligonucleotide for its complementary RNA or DNA target by increasing the melting temperature (Tm) of the duplex. Additionally, the Tm difference between a perfectly matched target and a mismatched target is substantially ...
Studies of codon usage and tRNA genes of 18 unicellular organisms
... process. Ikemura (1985a) proposed four rules for assigning the optimal codons of E. coli and S. cerevisiae. Codon choices are constrained by the cellular amounts of isoaccepting tRNAs (Rule 1); modified uridines such as thiolated uridine and 5-carboxymethyluridine at the anticodon wobble position pr ...
... process. Ikemura (1985a) proposed four rules for assigning the optimal codons of E. coli and S. cerevisiae. Codon choices are constrained by the cellular amounts of isoaccepting tRNAs (Rule 1); modified uridines such as thiolated uridine and 5-carboxymethyluridine at the anticodon wobble position pr ...
... concentration and the binding curves are shown on the right. Based on these data, what type(s) of interactions are used by the lac repressor to bind to DNA [Hint: It may be useful to sketch a plot of KD versus [NaCl]] The Kd increases as salt increases, indicating weaker binding (3 1/2 pts). The int ...
