(a.) Of or pertaining to, or in the form of, a helix; spiral; as, a helical staircase; a helical spring.
Example Sentences:
(1) The distribution of the amino acid pairs, i, i + 1 in alpha-helical configurations does not differ from the random pairing.
(2) An analysis of the triple helical stabilities of these cleavage site regions as reflected by their imino acid contents fails to yield a correlation between reactivity and triple helical stability.
(3) The Helical structures of d(C-G-C-A-m5C-G-T-G-m5C-G), d(m5C-G-C-A-m5C-G-T-G-C-G) and d(C-2aminoA-C-G-T-G) were studied in aqueous solution at various salt concentrations and temperatures by 1H-NMR spectroscopy.
(4) Chloride caused a significant concentration-dependent shortening of myosin rods due to destabilization of the alpha-helical double coiled rod structure.
(5) The poly(dG-dC) helical duplex forms a modified, B-family structure (B*) at very high hydration and a normal B structure at slightly lower hydration.
(6) Pretreatment with a novel CRF antagonist, alpha-helical CRF9-41 (130.9 nmol i.t.v.
(7) The melting profile exhibited two transitions--one at about 35 degrees C and one above 50 degrees C. Our spectral data showed that helices I and II were stable during the first transition, and agreed with other data that helix III was the most likely helix to have melted.
(8) (1974)88, 857-872, 873-894] for predicting secondary structure from amino acid sequence have been applied to five predominantly helical membrane-associated peptides.
(9) The alpha-helical content of the free form of the lipoprotein was measured from the circular dichroism spectrum of the lipoprotein in 0.01% sodium dodecyl sulfate and found to be 87%.
(10) In these discoidal complexes, the alpha-helical content was estimated to be 65%, with the rest of the structure being essentially unordered.
(11) A modified plot accounting for amphiphilic helices indicates 5-6 such alpha-segments.
(12) The inactivation of exogenous and neural norepinephrine (NE) by helical strips of rat tail artery was studied with a combination of the techniques of transmural stimulation and oil immersion.
(13) The above analysis suggests that in aqueous solution the protein is devoid of alpha-helical and beta-conformations but that it contains a significant amount of turns.
(14) These results are consistent with a structural model for the membrane in which the peptide chains vary greatly in the proportion of helical segments and polar regions which they contain.
(15) The latter, which is external and solvent accessible, is associated with a distortion in the alpha-helix centered around Tyr33 which consists of a significant increase in the CO(i-4)-N(i) and CO(i-4)-NH(i) distances relative to those in the rest of the helix, as well as a significant departure in the phi, psi angles of Tyr33 relative to regular helical geometry.
(16) Eight alpha-helices behave as relatively rigid bodies and corner regions are more flexible, showing larger fluctuations.
(17) It is suggested that the alpha-helical region, situated in the region between residues 10 and 20, binds to the RNA during assembly of the virus particle.
(18) Considering the density of helices along the RNA, it is not unexpected to find that all these sites lie in helical regions.
(19) Most double-helical segments were reactive to cobra venom ribonuclease to some degree; the exceptions were the five "long-range" helices that are probably compactly folded within the structure.
(20) The angle obtained for the C alpha-D resonance was consistent with a single-stranded beta 6.3-helical model for the backbone but not with double-helical models.
Hoop
Definition:
(n.) A pliant strip of wood or metal bent in a circular form, and united at the ends, for holding together the staves of casks, tubs, etc.
(n.) A ring; a circular band; anything resembling a hoop, as the cylinder (cheese hoop) in which the curd is pressed in making cheese.
(n.) A circle, or combination of circles, of thin whalebone, metal, or other elastic material, used for expanding the skirts of ladies' dresses; crinoline; -- used chiefly in the plural.
(n.) A quart pot; -- so called because originally bound with hoops, like a barrel. Also, a portion of the contents measured by the distance between the hoops.
(n.) An old measure of capacity, variously estimated at from one to four pecks.
(v. t.) To bind or fasten with hoops; as, to hoop a barrel or puncheon.
(v. t.) To clasp; to encircle; to surround.
(v. i.) To utter a loud cry, or a sound imitative of the word, by way of call or pursuit; to shout.
(v. i.) To whoop, as in whooping cough. See Whoop.
(v. t.) To drive or follow with a shout.
(v. t.) To call by a shout or peculiar cry.
(n.) A shout; a whoop, as in whooping cough.
(n.) The hoopoe. See Hoopoe.
Example Sentences:
(1) It offered maternity coverage without any extra hoops.
(2) The mood is fantastic: upbeat, from a crowd of older locals reliving their youth to cool young thangs attracted by Margate’s burgeoning reputation as Dalston-sur-Mer; fiftysomething men in braces and Harringtons, candy-floss-chomping teens… People are picnicking on the fake lawn beside the hair and beauty caravan, children gyrating newly bought hula-hoops to the strains of I’ve Got a Lovely Bunch of Coconuts.
(3) When the acquisition was announced, Google spokespeople were cock-a-hoop, and with good reason: the guys who founded DeepMind are among the best in a very competitive field.
(4) Yes, April Fools' Day is the hoop and stick, the cup-and-ball game, the Michael McIntyre of comedy, if you will.
(5) Their determination to use it as a stick to beat abortion providers with is simply one more reason why this paternalistic and meaningless little bureaucratic hoop needs to be terminated forthwith.
(6) The Way Home, To Save a Life, and hoop-shooting nuns drama The Mighty Macs are, similarly, self-fulfilment yarns in which God is a bit of a backdrop.
(7) I asked Kennie how it felt having been through so many hoops only to be told that he still couldn’t vote because of a bureaucratic cock-up that occurred 45 years ago.
(8) On the basis of their isotopic shifts upon deuterium labeling, we have assigned the band at 887 cm-1 to C10H and C14H HOOP modes, and the band at 940 cm-1 to C11H = C12H Au-like HOOP mode.
(9) • Savage is every Friday and Saturday at Metropolis Studios, London, from 4 March (tickets £5), savagedisco.com The Mighty Hoop-la Facebook Twitter Pinterest Skewering the type of weekender you’d usually associate with Butlins (Redcoats, awkward cabaret, warring families), The Mighty Hoop-la has gathered many of the best alternative club nights – including those on this list, except Torture Garden, Hip Hop Karaoke and Savage – and performance troupes for a festival dedicated to high camp, high energy and high-concept fun.
(10) Furthermore, perturbations of the unique bathorhodopsin hydrogen out-of-plane (HOOP) vibrations in E113Q and E113A indicate that the strength of the protein perturbation near C12 is weakened compared to that in native bathorhodopsin.
(11) It could be that it is used by people who are renting, or by people who are happy to pay more so they don’t have to jump through the hoops to remortgage – however, you have to be one of their customers to apply, so they will know quite a lot about you,” says Andrew Hagger of Moneycomms.com.
(12) Older and shrewder by the late 2000s, the early 90s pioneers involved in Hard Events and Insomniac (the company behind Electric Daisy Carnival) learned how to work with the system, going through the bureaucratic hoops required to get permits, and providing the level of intensive security, entrance searches and overall safety provisions that would give political cover to their local government enablers.
(13) Celtic are in their traditional green and white hoops – a friend, she shall remain nameless, once tried to argue that Celtic's jersey was in fact stripes and not hoops – and Shakhter are clocking and rocking a natty orange number.
(14) • The Mighty Hoop-La, Bognor Regis, 26-29 February (three-night tickets from £85), themightyhoopla.com
(15) Retrospective review of 730 consecutive primary uncemented and cemented total hip arthroplasties revealed 19 intra-operative hoop-stress fractures of the femoral neck.
(16) On the basis of a comparison with the vibrational calculations, the low frequency (803 cm-1) and the reduced intensity of the C15 HOOP mode in Pr suggest that the chromophore in Pr adopts the C15-Z,syn conformation.
(17) To determine whether significant regional differences in shortening exist in the canine left ventricle, the shortening characteristics of small segments of the circumferentially oriented hoop axis fibers and the more longitudinally oriented fibers near the epicardium were examined using pairs of ultrasound crystals placed at three levels of the left ventricular free wall in the open-chest dog.
(18) His fourth Jessica Daniel thriller has been sold to Pan Macmillan, who are predictably cock-a-hoop.
(19) 9.15am: Our morning paper view has arrived, with Simon Burnton having thumbed his way through tomorrow's fish and chip wrapping : While Dutch newspapers are predictably cock-a-hoop this morning about developments in South Africa – "FINALE!
(20) Wearing a hooped brown and cream sweater with collar turned up, Mvubu, from KwaThema, stared at the floor with hands behind his back for much of the hearing.