نتایج جستجو برای: lambda protein
تعداد نتایج: 1257257 فیلتر نتایج به سال:
let $p(lambda)$ be an $n$-square complex matrix polynomial, and $1 leq k leq n$ be a positive integer. in this paper, some algebraic and geometrical properties of the $k$-numerical range of $p(lambda)$ are investigated. in particular, the relationship between the $k$-numerical range of $p(lambda)$ and the $k$-numerical range of its companion linearization is stated. moreover, the $k$-numerical ...
Azurin from Pseudomonas aeruginosa is a small 128-residue, copper-containing protein. Its redox potential can be modified by mutating the protein. Free-energy calculations based on classical molecular-dynamics simulations of the protein and from mutants in aqueous solution at different pH values were used to compute relative redox potentials. The precision of the free-energy calculations with t...
A general procedure for the end labeling of proteins and positioning of amino acids in the sequence.
This paper reports a procedure for the specific radiolabeling of the amino termini of proteins. By Edman degradation, a protein is protected at all lysine amino groups while retaining a free amino terminus and such a modified protein is end-labeled by an amino group-specific reagent (radioiodinated Bolton-Hunter reagent). Partial proteolyses with a variety of specific amino acid cleaving reagen...
In Escherichia coli K-12, the receptor for phage lambda is an outer membrane protein which inactivates the phage in vitro. Lambda receptor activity was found in extracts from all wild strains of E. coli tested, although most of them fail to support growth of the phage. In some cases this failure is due to a masking of the receptor in vivo, the bacteria being unable to adsorb the phage or to rea...
A cDNA segment encoding the Ca2+-binding protein, parvalbumin, was isolated with the use of antibodies, from a lambda gtll expression library of Xenopus laevis tadpole poly(A)+ RNAs. The bacterially expressed beta-galactosidase-parvalbumin fusion protein of one lambda recombinant shows high affinity 45Ca2+ binding. The sequence of the tadpole parvalbumin is highly similar to previously characte...
We report regional rates of cerebral protein synthesis (rCPS) in 10 healthy young males, each studied under two conditions: awake and anesthetized with propofol. We used the quantitative L-[1-(11)C]leucine positron emission tomography (PET) method to measure rCPS. The method accounts for the fraction (lambda) of unlabeled leucine in the precursor pool for protein synthesis that is derived from ...
Background: Studies showed thyroid hormones influence proliferation of cancer cells. The main aim of this study was to investigate the effects of cytotoxic thyroid hormone T4 on proliferation of brain glioblastoma cells (A172) in cell culture. Methods: In this laboratory experimental study, A172 cells were randomly divided into control group and groups exposed to doses 0.1, 0.5, 1, 5, 10, 20, ...
a characteriation of continuity of the $p$-$lambda$-variation function is given and the helly's selection principle for $lambda bv^{(p)}$ functions is established. a characterization of the inclusion of waterman-shiba classes into classes of functions with given integral modulus of continuity is given. a useful estimate on modulus of variation of functions of class $lambda bv^{(p)}$ is found.
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