(n.) A small, hooded, poisonous serpent of Egypt and adjacent countries, whose bite is often fatal. It is the Naja haje. The name is also applied to other poisonous serpents, esp. to Vipera aspis of southern Europe. See Haje.
(n.) One of several species of poplar bearing this name, especially the Populus tremula, so called from the trembling of its leaves, which move with the slightest impulse of the air.
Example Sentences:
(1) We have named them bombolitin I (Ile-Lys-Ile-Thr-Thr-Met-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin II (Ser-Lys-Ile-Thr-Asp-Ile-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin III (Ile-Lys-Ile-Met-Asp-Ile-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin IV (Ile-Asn-Ile-Lys-Asp-Ile-Leu-Ala-Lys-Leu-Val-Lys-Val-Leu-Gly-His-Val-NH2 ), and bombolitin V (Ile-Asn-Val-Leu-Gly-Ile-Leu-Gly-Leu-Leu-Gly-Lys-Ala-Leu-Ser-His-Leu-NH2 ).
(2) As a control, the introduction of the modification Glu78----Asp in a region of the domain not believed to be involved in calcium binding had very little effect on the Kd for calcium (Kd = 2.6 mM, I = 0.15).
(3) The primary sequence of decorsin indicates that the protein is 39 amino acids long and contains 6 cysteine and 6 proline residues, as well as the sequence Arg-Gly-Asp, (RGD), a proposed recognition site of many adhesion proteins.
(4) In addition, the trends in the three sets of data for the catalytic subunit indicate that ionic bonds are involved in binding PALA to the active site, and that non-productive binding by L-Asp is negligible under these experimental conditions.
(5) Comparison of the human and mouse repeats revealed a highly conserved Glu-Asp core in each unit, implicating the functional significance of this motif.
(6) The amino terminal amino acid sequences of the subunits alpha, beta and gamma were Ser-Phe-Asp-Met-, Met-Val-Pro-Gly- and Met-Arg-Leu-Thr-, respectively.
(7) The study of the drugs effective in the treatment of cognitive deficits and memory loss associated with senile dementia of the Alzheimer's type--tacrine and amiridin, acetylcholinesterase inhibitor physostigmine and nootrop piracetam on uptake of 3H-serotonin (3H-5-HT), 3H-adrenaline (3H-AD), 3H-noradrenaline (3H-HA), 2H-dopamine (3H-DA), 3H-gamma-aminobutyric acid (3H-GABA), 3H-glutamic acid (3H-GLU), 3H-aspartic acid (3H-ASP) and 3H-glycine (3H-GLI) showed that tacrine and amiridin (5 x 10(-5) M) statistically significantly (P less than 0.05) inhibited the uptake of 3H-DA and 3H-5-HT.
(8) The present study proves that the hydrogen bond between Tyr-42 alpha and Asp-99 beta plays a key role in stabilizing the deoxy T structure and consequently in co-operative oxygen binding.
(9) The importance of the ionic interaction due to the formation of the salt bridge between the Asp-27 and the pteridine ring in Escherichia coli dihydrofolate reductase-methotrexate complex has been studied by using the free-energy perturbation method.
(10) The effect of the administration of a rabbit anti-substance P serum (ASPS) was studied in rats receiving an acute injection of ethanol.
(11) The active-site aspartic acid residue, Asp-362, of Escherichia coli citrate synthase was changed by site-directed mutagenesis to Glu-362, Asn-362 or Gly-362.
(12) The replacements for Glu-43 (Asp, Gln, Asn, Ser, and Ala) both decreased the catalytic efficiency and changed the one- and two-dimensional NMR spectral properties of the mutant enzymes.
(13) These data definitely show the myogenic character and rhabdomyoblastic differentiation of ASPS.
(14) A detergent-soluble fraction of ASP given with the adjuvant provided 87.2% protection (group III), whilst non-specific vaccination with serum proteins plus Be(OH)2 elicited 99% protection (group IV).
(15) Only sections from rats with injections of WGAapoHRP-Au were processed for Asp immunostaining.
(16) Conversion of Cys148 to Asp, Gly, or Ser decreases CH activity at least 10(5)-fold, consistent with a nucleophilic role for Cys148 (analogous to the catalytic Cys residue in TS).
(17) The second gene of this pair, tDNA(Asp), is totally dependent on the first gene, tDNA(Arg), and its promoter components, for homologous in vitro transcription.
(18) The long in vivo half-life and high selectivity for peripheral CCK receptors make ASP suitable for investigations on the physiological and pharmacological actions of CCK.
(19) In contrast, the inactive mutant subunit in which Gly-128 was replaced by Asp exhibited a spectrum virtually identical to that of the wild-type protein.
(20) Thus, specific 125I-fibronectin binding was inhibited by excess unlabeled fibrinogen or fibronectin, the anti-GP IIb-IIIa monoclonal antibody 10E5, the decapeptide from the carboxyl terminus of the fibrinogen gamma-chain, and the tetrapeptide Arg-Gly-Asp-Ser from the cell-binding domain of fibronectin.
Snake
Definition:
(v. t.) To drag or draw, as a snake from a hole; -- often with out.
(n.) Any species of the order Ophidia; an ophidian; a serpent, whether harmless or venomous. See Ophidia, and Serpent.
(v. t.) To wind round spirally, as a large rope with a smaller, or with cord, the small rope lying in the spaces between the strands of the large one; to worm.
(v. i.) To crawl like a snake.
Example Sentences:
(1) Analysis of the product by equilibrium density centrifugation and processive hydrolysis with snake venom phosphodiesterase suggested that the noncomplementary nucleotides were present in phosphodiester linkage.
(2) In the far east is the arid, depressed country leading down Hell’s Canyon, which bottoms out at the Snake River, which the wolves crossed when they moved from Idaho, and which they now treat more as a crosswalk than a barrier.
(3) Snakes did not only exhibit the major cell- and humoral-mediated immune functions, but these functions appeared to be linked with the degree of MLR disparity.
(4) Weighed amounts of lyophilized venom from each snake were compared chronologically for variation in isoelectric focusing patterns, using natural and immobilized gradients.
(5) In the last 5 years, 29 children have been treated in our institution for snake bites, all with signs of envenomation.
(6) Forty patients with Crotalidae snake bites were evaluated and treated over a 7-year period.
(7) The presence of proteins antigenically related to Bothrops asper myotoxins in various snake venoms, mainly from South America, was investigated by using polyclonal and monoclonal antibodies.
(8) PCB residues occurred only in snakes collected near a heavily-traveled highway.
(9) Snake curaremimetic toxins are known to bind to the nicotinic acetylcholine receptor (AcChoR) [Changeux et al.
(10) "Ministers must urgently get behind a different approach to food and farming that delivers real sustainable solutions rather than peddling the snake oil that is GM ."
(11) The prevention of sea-snake bite and poisoning is considered.
(12) The prothrombin activator from the venom of Oxyuranus scutellatus (Taipan snake) was purified by gel filtration on Sephadex G-200 and ion-exchange chromatography on QAE-Sephadex.
(13) In the anterior section of the snake, the vagal trunks contained many cell bodies with colocalized vasoactive intestinal polypeptide and substance P-like immunoreactivity.
(14) While the hemagglutination activity of each of the previously described lactose-binding snake venom lectins is inhibited by reducing agent, the activities of BML and JML are not affected by reducing agent.
(15) Here’s Marie-Josée Kravis, advisor to the New York Fed, accessorizing brilliantly with her snake-effect silk scarf off on a power walk with her billionaire financier husband Henry Kravis, head of predatory investment company KKR.
(16) A platelet-aggregating activity was found in many snake venoms, predominantly those of the genus Bothrops, that is apparent only in the presence of the platelet-aggregating von Willebrand factor of plasma.
(17) Water snakes (Natrix natrix), rat snakes (Ptyas korros), cobras (Naja naja), pythons (Python molurus), tortoises (Kachuga sp.
(18) By using snake-venom diesterase over short periods of incubation, it was confirmed that the ATP had been incorporated terminally as AMP into the placental tRNA.
(19) Pro-Morsi marches regularly snake from the sites, disrupting traffic across much of Cairo and causing further government frustration.
(20) The snake with the longest journey took nine months to reach its destination.