نتایج جستجو برای: fdh
تعداد نتایج: 281 فیلتر نتایج به سال:
Abstract This paper surveys the increasing use of statistical approaches in non-parametric efficiency studies. Data Envelopment Analysis (DEA) and Free Disposable Hull (FDH) are recognized as standard methods developed field operations research. Kneip et al. (Econom Theory, 14:783–793, 1998) Park 16:855–877, 2000) develop properties variable returns-to-scale (VRS) version DEA estimators FDH est...
Familial dyslipidemic hypertension (FDH) is a syndrome recently described from sibships selected for early familial hypertension and found to have one or more of three fasting lipid abnormalities [high triglycerides, low high density lipoprotein (HDL) cholesterol, high low density lipoprotein (LDL) cholesterol]. In further analyses of these same 131 hypertensive subjects, apolipoprotein A-I and...
Cytosolic 10-formyltetrahydrofolate dehydrogenase (FDH, ALDH1L1) is an abundant enzyme of folate metabolism. It converts 10-formyltetrahydrofolate to tetrahydrofolate and CO(2) in an NADP(+)-dependent reaction. We have identified a gene at chromosome locus 12q24.11 of the human genome, the product of which has 74% sequence similarity with cytosolic FDH. This protein has an extra N-terminal sequ...
In methylotrophic bacteria, formaldehyde is an important but potentially toxic metabolic intermediate that can be assimilated into biomass or oxidized to yield energy. Previously reported was the purification of an NAD(P)(+)-dependent formaldehyde dehydrogenase (FDH) from the obligate methane-oxidizing methylotroph Methylococcus capsulatus (Bath), presumably important in formaldehyde oxidation,...
This paper is a case report of a 10-year-old girl with focal dermal hypoplasia (FDH) who presented for dental care. She displayed many of the well-documented oral features associated with this syndrome. Additionally, she had taurodontism of a permanent mandibular molar. Although taurodontism affected only one tooth in this patient, the presentation of taurodontism with FDH has not been reported...
The adhC1 gene from Acinetobacter baumannii 8399, which encodes a glutathione-dependent formaldehyde dehydrogenase (GSH-FDH), was identified and cloned after mapping the insertion site of Tn3-HoHo1 in a recombinant cosmid isolated from a gene library. Sequence analysis showed that this gene encodes a protein exhibiting significant similarity to alcohol dehydrogenases in bacterial, yeast, plant ...
The familial dysalbuminemic hyperthyroxinemia (FDH) phenotype results from a natural human serum albumin (HSA) mutant with histidine instead of arginine at amino acid position 218. This mutation results in an enhanced affinity for thyroxine. Site-directed mutagenesis and a yeast protein expression system were used to synthesize wild type HSA and FDH HSA as well as several other HSA mutants. Stu...
We present a definition of the four-dimensional helicity (FDH) regularization scheme valid for two or more loops. This scheme was previously defined and utilized at one loop. It amounts to a variation on the standard ’t Hooft-Veltman scheme and is designed to be compatible with the use of helicity states for “observed” particles. It is similar to dimensional reduction in that it maintains an eq...
Anaylobacter aguaticus strain KNK607M, which had high NAD-dependent formate dehydrogenase (FDH) activity, was newly isolated. The enzyme, purified to homogeneity, was a dimer composed of identical subunits with a molecular mass of 44 kDa. The specific activity was 9.5 ulmg, and the enzyme was optimum at pH 6.3 and 500C, most stabte at pH 7.0, and stable at 50"C or lovver. The apparent K. yalues...
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