lysozyme/दंत क्षरण

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पृष्ठ 1 से 478 परिणाम

Flexibility and ligand exchange in a buried cavity mutant of T4 lysozyme studied by multinuclear NMR.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

The Leu99-->Ala mutant of T4 lysozyme contains a large internal cavity in the core of its C-terminal domain that is capable of reversibly binding small hydrophobic compounds. Although the cavity is completely buried, molecules such as benzene or xenon can exchange rapidly in and out. The dynamics of

Atomic resolution mechanism of ligand binding to a solvent inaccessible cavity in T4 lysozyme.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

Ligand binding sites in proteins are often localized to deeply buried cavities, inaccessible to bulk solvent. Yet, in many cases binding of cognate ligands occurs rapidly. An intriguing system is presented by the L99A cavity mutant of T4 Lysozyme (T4L L99A) that rapidly binds benzene (~106 M-1s-1).

Short term comparative evaluation of antimicrobial efficacy of tooth paste containing lactoferrin, lysozyme, lactoperoxidase in children with severe early childhood caries: a clinical study.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

OBJECTIVE The present study is conducted to compare the anti-microbial efficacy of tooth paste containing lactoferrin, lysozyme, lactoperoxidase (BioXtra ®), a 500ppm fluoride tooth paste, and a non fluoridated tooth paste in children with Severe Early Childhood Caries (S-ECC). METHODS Study group

Cavity as a source of conformational fluctuation and high-energy state: high-pressure NMR study of a cavity-enlarged mutant of T4 lysozyme.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

Although the structure, function, conformational dynamics, and controlled thermodynamics of proteins are manifested by their corresponding amino acid sequences, the natural rules for molecular design and their corresponding interplay remain obscure. In this study, we focused on the role of internal

Role of cavities and hydration in the pressure unfolding of T4 lysozyme.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

It is well known that high hydrostatic pressures can induce the unfolding of proteins. The physical underpinnings of this phenomenon have been investigated extensively but remain controversial. Changes in solvation energetics have been commonly proposed as a driving force for pressure-induced

[Relationship of concentration of lactoferrin and lysozyme in saliva and dental caries in primary dentition].

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

OBJECTIVE To explore the relationship between the concentrations of lactoferrin and lysozyme in saliva and dental caries in primary dentition among Chinese children. METHODS Forty children with high dmft score (dmft > or = 5) and 40 caries-free children (dmft = 0) were sampled and assigned into two

Enhanced C-type lysozyme content of wood duck (Aix sponsa) egg white: an adaptation to cavity nesting?

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

Abstract Wild waterfowl species often nest in conditions where high humidity and microbial contamination may influence egg survival and quality. Albumen is traditionally regarded as the major impediment to microbial contamination of eggs, and its composition and activity may be selected by

Cavity hydration as a gateway to unfolding: an NMR study of hen lysozyme at high pressure and low temperature.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

We have used low temperatures (down to -20°C) and high pressures (up to 2000 bar) to populate low-lying excited state conformers of hen lysozyme, and have analyzed their structures site-specifically using (15)N/(1)H two-dimensional HSQC NMR spectroscopy. The resonances of a number of residues were

Hydrophobic packing in T4 lysozyme probed by cavity-filling mutants.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

To probe the nature of the hydrophobic cores of proteins and to test potential ways of increasing protein thermostability, an attempt was made to improve the packing within T4 bacteriophage lysozyme by engineered amino acid replacements. Two mutations, Leu-133----Phe and Ala-129----Val, which were

Stabilization of hen egg white lysozyme by a cavity-filling mutation.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

Stabilization of a protein using cavity-filling strategy has hardly been successful because of unfavorable van der Waals contacts. We succeeded in stabilizing lysozymes by cavity-filling mutations. The mutations were checked by a simple energy minimization in advance. It was shown clearly that the

Dynamics of xenon binding inside the hydrophobic cavity of pseudo-wild-type bacteriophage T4 lysozyme explored through xenon-based NMR spectroscopy.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

Wild-type bacteriophage T4 lysozyme contains a hydrophobic cavity with binding properties that have been extensively studied by X-ray crystallography and NMR. In the present study, the monitoring of 1H chemical shift variations under xenon pressure enables the determination of the noble gas binding

Stabilization and enhanced enzymatic activities of a mutant human lysozyme C77/95A with a cavity space by amino acid substitution.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

Amino acid substitutions were examined to increase the stability of the mutant human lysozyme C77/95A by filling the cavity created by this mutation. To modulate the cavity with hydrophobic amino acids or by the formation of a hydrogen bond, five amino acid-substituted mutants, C77AC95L, C77AC95I,

Size versus polarizability in protein-ligand interactions: binding of noble gases within engineered cavities in phage T4 lysozyme.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

To investigate the relative importance of size and polarizability in ligand binding within proteins, we have determined the crystal structures of pseudo wild-type and cavity-containing mutant phage T4 lysozymes in the presence of argon, krypton, and xenon. These proteins provide a representative

Use of stabilizing mutations to engineer a charged group within a ligand-binding hydrophobic cavity in T4 lysozyme.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

Both large-to-small and nonpolar-to-polar mutations in the hydrophobic core of T4 lysozyme cause significant loss in stability. By including supplementary stabilizing mutations we constructed a variant that combines the cavity-creating substitution Leu99 --> Ala with the buried charge mutant Met102

Salivary Lysozyme in Relation to Dental Caries among Thai Preschoolers.

केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं

साइन अप करने के लिए लॉग इन करें

OBJECTIVE The objective of this study was to analyze salivary lysozyme levels and activities in Thai preschoolers with different dental caries status. METHODS Unstimulated saliva samples were collected from 64 preschoolers, divided into a caries free group (n = 32) and a severe early childhood

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