Positional cloning of the zebrafish sauternes gene: A model for congenital sideroblastic anaemia
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We describe two general methodologies, based on filter-sandwich assays, for isolating enzymic activities from a large repertoire of protein variants expressed in the cytoplasm of E. coli cells. The enzymes are released by the freezing and thawing of bacter ...
The kinetics of whey protein (WP) hydrolysis with trypsin (I) and of the thermal and autolytic deactivation of I were studied at conditions of temp. (55, 60, 70 Deg), starting I:WP concn. (2 * 10-3 - 10 * 10-3 g/g), and pH (7.3) pertinent to those employed ...
BACKGROUND: Existing animal models of anemia inadequately reflect the hematocrit usually present in chronic renal failure (CRF) patients and do not permit long-term treatment studies. The transgenic mouse strain 134.3LC (Epo-TAg(H)) displays a severe chron ...
The emergence of drug-resistant variants is a serious side effect assocd. with acquired immune deficiency syndrome therapies based on inhibition of human immunodeficiency virus type 1 protease (HIV-1 PR). In these variants, compensatory mutations, usually ...
Vibrio and Aeromonas spp. secrete an unusual 35-kDa lipase that shares several properties with mammalian lecithin-cholesterol acyltransferase. The Aeromonas hydrophila lipase contains two cysteine residues that form an intramolecular disulfide bridge. Here ...
Combinatorial mutagenesis was used to investigate the role of three key residues in cytochrome c peroxidase (CCP) from Saccharomyces cerevisiae, Arg48, Trp51, and Trp191, in control of the reactivity and selectivity of the heme-contg. enzyme. Libraries wer ...
Ab initio mol. dynamics (AIMD) and combined Hybrid/AIMD simulations appear as promising candidates for an in situ modeling of enzymic reactions. In order to probe the capabilities of these methods for the characterization of enzymic processes we have chose ...
The understanding of catalytic and enzymic processes at the mol. level is one of the most challenging problems in chem. and biol. A necessary prerequisite for any theor. modeling of these chem. reactions is an appropriate description of the electronic stru ...
The aim of the invention is to improve existing amperometric sensors used to measure the quantity of a component present in a solution. This aim is reached by using a sensor provided with a measuring electrode (20) having at least one current collector (37 ...
Poly(A) polymerase was purified 22,000-fold to homogeneity from a whole cell extract of Saccharomyces cerevisiae with a yield of 22%. The enzyme is a monomeric polypeptide with a denatured molecular weight of 63,000. Incorporation of labeled ATP into acid- ...
