(n.) A leader or chief; a conspicuous person, esp. a rich covetous person.
(n.) The axis on which the kernels of maize or indian corn grow.
(n.) A spider; perhaps from its shape; it being round like a head.
(n.) A young herring.
(n.) A fish; -- also called miller's thumb.
(n.) A short-legged and stout horse, esp. one used for the saddle.
(n.) A sea mew or gull; esp., the black-backed gull (Larus marinus).
(n.) A lump or piece of anything, usually of a somewhat large size, as of coal, or stone.
(n.) A cobnut; as, Kentish cobs. See Cobnut.
(n.) Clay mixed with straw.
(n.) A punishment consisting of blows inflicted on the buttocks with a strap or a flat piece of wood.
(n.) A Spanish coin formerly current in Ireland, worth abiut 4s. 6d.
(v. t.) To strike
(v. t.) To break into small pieces, as ore, so as to sort out its better portions.
(v. t.) To punish by striking on the buttocks with a strap, a flat piece of wood, or the like.
Example Sentences:
(1) This fusion protein exhibited an in vivo endonuclease activity which specifically cleaved the intron homing site within the intronless cob gene.
(2) All of the pdu mutations were located in a single region (41 map units) on the S. typhimurium chromosome between the his (histidine biosynthesis) and branch I cob (cobalamin biosynthesis) operons.
(3) The apoprotein of yeast cytochrome b is translated on mitochondrial ribosomes and coded for by a split gene which is located in the COB-BOX region on mitochondrial DNA.
(4) The large deletion M9391 in contrast accumulates a 13S RNA which probably results from transcription through the junction, which ligates sequences of the cob leader to sequences of the cob-oli1 intergenic spacer.
(5) One of these is the group II intron in the gene encoding apocytochrome b (cob: intron cobI1).
(6) The organization of the mitochondrial genomes of the F1 and succeeding backcross progenies was analyzed and compared with the progenitor RD-WF9 using probes derived from the S1 and S2 mitochondrial episomes, and probes containing the genes for cytochrome c oxidase subunit I (coxI), cytochrome c oxidase subunit II (coxII) and apocytochrome b (cob).
(7) The transfer of the upper nucleoside ligand of adenosylcobalamin to 2-mercaptoethanol is a very slow process; S-adenosyl-mercaptoethanol and cob(II)alamin are the final products of the reaction.
(8) The vitamin B12 auxotrophs were divided into two major phenotypic groups: Cob mutants, which could use cobinamide or vitamin B12 to grow on ethanolamine, and Cbl mutants, which could be supplemented only by vitamin B12.
(9) We made specific mutations in the internal guide sequence and the flanking exons of the fifth intron in the yeast mitochondrial gene for apocytochrome b (COB).
(10) Continuous registration of breath, ECG, O2 tension was carried out in sleeping chronic obstructive bronchitis (COB) patients (n-46).
(11) Alfalfa had no effect on rate of nontreated cob cell wall digestion, but increased (P less than .01) the rate for NH3-treated cobs.
(12) In trial 1, two qualities of alfalfa and smooth brome hays replaced 0, 15, 30 or 100% of an ammonia (NH3)-treated corn cob negative control diet in a digestion trial using 26 mixed breed wethers (31.8 kg).
(13) They were shown to be P22-cotransducible with a branch I cob marker at a mean frequency of 12%.
(14) No inhibition by EDTA was found in cob parenchyma tissue.
(15) Although both copies are identical in the 5' upstream region and through most of the coding region, only cob-1-specific mRNA is detected on RNA gel-blots.
(16) To elucidate the synthesis of cobalamin coenzymes in view of comparative biochemistry, tissue distribution of activity of aquacobalamin reductase [EC 1.6.99.8] catalyzing the reduction of hydroxocobalamin to cob(II)alamin was studied in some vertebrates.
(17) The solka floc and corn cob diets are acceptable for growing dairy heifers where a low mineral content is desired but normal growth rates need to be maintained.
(18) Xylan in such natural substrates as straw and corn-cobs was also subjected to enzymatic hydrolysis.
(19) Regions that hybridized to C. reinhardtii or wheat mitochondrial gene probes for subunit I of cytochrome oxidase (cox1), apocytochrome b (cob), three subunits of NADH dehydrogenase (nad1, nad2 and nad5) and the small and the large ribosomal RNAs (rrnS and rrnL, respectively) were localized on the C. moewusii mtDNA map by Southern blot analysis.
(20) A 13.1-kb DNA fragment carrying Pseudomonas denitrificans cob genes has been sequenced.
Kob
Definition:
(n.) Alt. of Koba
Example Sentences:
(1) The transition was characterized by a single first order rate constant (kobs,i) which was independent of enzyme concentration.
(2) Knowledge of the salt dependences of ka and of the observed equilibrium constance Kobs of the ligand-nucleic acid interaction should usually be sufficient to determine whether a screening controlled mechanism or a pre-equilibrium mechanism is suitable to describe the process.
(3) A log kobs versus pH profile for the approach to the ionization equilibrium was determined, and a mechanism consistent with the profile was postulated.
(4) In the absence of cyanide, ferrocytochrome a3 appears at a rate (kobs) of 0.016 s-1.
(5) Above 25 microM AT.H complex, an increasing dead time displacement of p-aminobenzamidine and a downward deviation of kobs from the initial linear dependence on AT.H complex concentration were found, reflecting the saturation of an intermediate Xa.AT.H complex with a KD of 200 microM and a limiting rate of Xa-AT product complex formation of 140 s-1.
(6) At pH 7.8, the apparent single rate constant for association (kobs) at 4 degrees C was 4.72 x 10(+5).M-1.min-1.
(7) Thus, under pseudo-first order conditions ([AT]o, [H]o much greater than [T]o much less than [P]o), the observed thrombin inactivation rate constant (kobs) exhibited a saturable dependence on [AT]o or [H]o when [H]o much less than KT,H, reflecting a KAT,H (0.25 microM) similar to that directly determined by equilibrium binding.
(8) The nature of the anion often has a major effect on the magnitude of the equilibrium constant (Kobs) and rate constant (kobs) of protein-DNA interactions, but a minor effect on SKobs and Skobs, which are dominated by the cation stoichiometry.
(9) The rate constant (kobs) for loss of ADP activation exhibits a nonlinear dependence on 2-BDB-TAMP concentration, suggesting a reversible binding of reagent (KR = 0.74 mM) prior to irreversible modification.
(10) The kobs max value in tissues from insulin-dependent diabetic patients was significantly greater than that in tissues from either noninsulin-dependent diabetics or nondiabetics.
(11) Reduction by lumiflavin semiquinone followed single exponential kinetics and the observed rate constant (kobs) was linearly dependent on protein concentration (k = 1.8 X 10(7) M-1s-1 heme-1).
(12) At 0.25 M-KX, the increase in Kobs for Osym is observed to be approximately 40-fold, whereas for non-operator DNA the increase in Kobs is estimated by extrapolation to be approximately 300-fold.
(13) The Kobs of this reaction reflects the difference between the observed standard free energy change (delta G-oobs) for the hydrolysis of acetylcholine and the delta G-oobs for the hydrolysis of acetyl-CoA.
(14) The observed equilibrium constants (Kobs) of the creatine kinase (EC 2.7.3.2), myokinase (EC 2.7.4.3), glucose-6-phosphatase (EC 3.1.3.9), and fructose-1,6-diphosphatase (EC 3.1.3.11) reactions have been determined at 38 degrees C, pH 7.0, ionic strength 0.25, and varying free magnesium concentrations.
(15) Stopped-flow spectrophotometry also showed that electron transfer from the Fe-protein to the MoFe-protein in states E0 and E1H occurs at the same rate (kobs.
(16) A study of kobs vs pH suggests this active-site lysine has a pKa of 8.1 and a pH-independent rate constant of inactivation of 47,700 M-1 min-1.
(17) At all temperatures, the pH strongly influenced the observed degradation rate constant (kobs) values, with rate minima observed near pH 4.
(18) Alkylation of the N-terminal half resulted in biphasic calcium release with rates (kobs 153 s-1 and 10.9 s-1 respectively) similar to those observed in intact alkylated calmodulin.
(19) At 1.2 mM 2-BDB-TAMP, kobs = 0.060 min-1 and is not affected by alpha-ketoglutarate or GTP, but is decreased to 0.020 min-1 by 5 mM NADH and to zero by 5 mM ADP.
(20) A plot of the pseudo-first order rate constant (Kobs) versus T1K concentration was linear, and values for the association (k1) and dissociation (k-1) rate constants were obtained.