(1) The ability of TSH to regulate each in an antiparallel manner is atypical.
(2) The first contains only antiparallel beta-segments, the second "mixed" beta-segments, with some strands lying antiparallel and others parallel.
(3) Important secondary structure elements that can be derived from the observed nuclear Overhauser effects are a large antiparallel beta-pleated sheet consisting of four strands, A, B, C, D, a segment SAB consisting of an extended region around the active-center histidine (His-15) and an alpha-helix, a half-turn between strands B and C, a segment SCD which shows no typical secondary structure, and the alpha-helical, C-terminal segment S(term).
(4) There is a further possibility of formation of an antiparallel sheet structure between the insulin and receptor molecules in the complex similar to that between monomers in the insulin dimer.
(5) The refined structures are comprised of a C-terminal alpha-helix, a small segment of antiparallel beta-sheet, and several loops.
(6) This was ascribed to the formation of a triple helix involving two 1,10-phenanthroline-octathymidylate strands that adopt an antiparallel orientation with respect to each other.
(7) In both the light- and heavy-chain variable domains, the stereochemistry of five structurally conserved sites general to all known antibody structures matched that of the zinc ligands of carbonic anhydrase: three residues on two hydrogen-bonded antiparallel beta-strands.
(8) The theory is developed for intramolecular beta-structure, but it can also explain the overall features of intermolecular beta-folding; it is applicable both to antiparallel and parallel beta-sheets.
(9) Monomer-monomer contacts involve antiparallel beta-sheet interactions, which form a dimer with two layers of eight beta-strands.
(10) Common features of the solution structure and the two crystal structures are the four-stranded beta-structure, composed of a pair of parallel strands, and three pairs of antiparallel beta-strands flanked on one side by a 12-residue alpha-helix and on the other side by a loop containing the serine proteinase binding site.
(11) The dimers are predominantly antiparallel and nearly in register, as judged by antibody labeling.
(12) The regular secondary structure includes two and a half turns of alpha-helix running from residues 21 to 30 and a three-stranded antiparallel beta-sheet including peptides 3-5, 34-38, and 41-46.
(13) On the basis of the secondary structure calculations from the known amino acid sequence we came to the conclusion that hepatitis A virus capsid proteins have the typical antiparallel beta-sheet bilayer structure.
(14) Each domain is composed of two motifs with the 'Greek key' topology which form a pair of four-stranded beta-sheets with an antiparallel packing.
(15) A novel 282-residue extension contains repeats of approximately 29 amino acid residues predicted to have an antiparallel beta-sheet structure, followed by a glycine-rich sequence.
(16) The polypeptide crystallizes from ethanol as a left-handed, double-stranded, antiparallel beta 5.6-helical dimer that is 31 A long and an average of 4.8 A in diameter.
(17) As shown in a companion paper (Rippe et al., 1989), the two combinations D1.D3 and D2.D4 form normal antiparallel duplexes, whereas the pairs D1.D2 and D3.D4 constitute duplexes with the same sequences, but with the two strands parallel to each other.
(18) Contrary to assertions by Makinen & Sigountos (1984), our results unambigously demonstrate that adjacent rows of double strands in macrofibers are oriented in an antiparallel manner, as in the Wishner-Love crystal.
(19) Oxidized glutaredoxin contains a four-stranded beta-sheet, with the peripheral strand 32-37 arranged parallel to the strand 2-7, which further combines with the two additional strands 61-64 and 67-69 in an antiparallel fashion.
(20) By overlapping two photographic transparencies of the polar paracrystal antiparallel, directly observed images of polymorphic bipolar paracrystals could be synthesized photographically with fidelity.
Parallel
Definition:
(a.) Extended in the same direction, and in all parts equally distant; as, parallel lines; parallel planes.
(a.) Having the same direction or tendency; running side by side; being in accordance (with); tending to the same result; -- used with to and with.
(a.) Continuing a resemblance through many particulars; applicable in all essential parts; like; similar; as, a parallel case; a parallel passage.
(n.) A line which, throughout its whole extent, is equidistant from another line; a parallel line, a parallel plane, etc.
(n.) Direction conformable to that of another line,
(n.) Conformity continued through many particulars or in all essential points; resemblance; similarity.
(n.) A comparison made; elaborate tracing of similarity; as, Johnson's parallel between Dryden and Pope.
(n.) Anything equal to, or resembling, another in all essential particulars; a counterpart.
(n.) One of the imaginary circles on the surface of the earth, parallel to the equator, marking the latitude; also, the corresponding line on a globe or map.
(n.) One of a series of long trenches constructed before a besieged fortress, by the besieging force, as a cover for troops supporting the attacking batteries. They are roughly parallel to the line of outer defenses of the fortress.
(n.) A character consisting of two parallel vertical lines (thus, ) used in the text to direct attention to a similarly marked note in the margin or at the foot of a page.
(v. t.) To place or set so as to be parallel; to place so as to be parallel to, or to conform in direction with, something else.
(v. t.) Fig.: To make to conform to something else in character, motive, aim, or the like.
(v. t.) To equal; to match; to correspond to.
(v. t.) To produce or adduce as a parallel.
(v. i.) To be parallel; to correspond; to be like.
Example Sentences:
(1) When the data correlating DHT with protein synthesis using both labelling techniques were combined, the curves were parallel and a strong correlation was noted between DHT and protein synthesis over a wide range of values (P less than 0.001).
(2) The time-course and dose-response for this modification of pp60c-src paralleled PDGF-induced increases in phosphorylation of pp36, a major cellular substrate for several tyrosine-specific protein kinases.
(3) We present a mathematical model that is suitable to reconcile this apparent contradiction in the interpretation of the epidemiological data: the observed parallel time series for the spread of AIDS in groups with different risk of infection can be realized by computer simulation, if one assumes that the outbreak of full-blown AIDS only occurs if HIV and a certain infectious coagent (cofactor) CO are present.
(4) There was no correlation between serum LH and chronological or bone age in this age group, which suggests that the correlation found is not due to age-related parallel phenomena.
(5) The cyclical nature of pyromania has parallels in cycles of reform in standards of civil commitment (Livermore, Malmquist & Meehl, 1958; Dershowitz, 1974), in the use of physical therapies and medications (Tourney, 1967; Mora, 1974), in treatment of the chronically mentally ill (Deutsch, 1949; Morrissey & Goldman, 1984), and in institutional practices (Treffert, 1967; Morrissey, Goldman & Klerman (1980).
(6) Stimulation of parallel fibers or iontophoresis of acetylcholine excited P cells.
(7) Label was found widely distributed among all the organs except the nervous system and its rate of disappearance from the tissues paralleled its disappearance from the circulation.
(8) The bundles may lie parallel to the plasma membrane and to the long axis of the cell.
(9) Alterations in DNA synthesis induced by a single dose of cyclophosphamide in normal and tumorous tissues in vivo paralleled in many respects the changes seen when the more time-consuming techniques of the LI or granulocyte colony formation were employed.
(10) Dose distributions were evaluated under thin sheet lead used as surface bolus for 4- and 10-MV photons and 6- and 9-MeV electrons using a parallel-plate ion chamber and film.
(11) The influences of the inhibitor(s) for both tumours and in both culture systems were parallel.
(12) Parallel studies in vivo were carried out to determine the contribution of the phosphatidylserine decarboxylase pathway, relative to pathways utilizing ethanolamine directly, to the synthesis of brain ethanolamine glycerophospholipids.
(13) Plasma renin activities (PRA) and aldosterone concentrations increased in parallel over a wide range of plasma volume deficits produced in unanesthetized rats by extravascular administration of polyethylene glycol (PEG) solution.
(14) Combined study of lungs of 85 foetuses and newborns of various gestational age and 8 newborns dying during the first month of life showed the lung surfactant (LS) system to develop in parallel with formation of respiratory parts and lung capillary network.
(15) Ordering of these filaments into a parallel array is the basis of birefringence in the A region, and loss of birefringence is therefore a measure of decreased order.
(16) Comparing the regression lines of HR-QT and HR-QS2 separately for both groups, we found that both intervals decreased in parallel and the mean QT remained shorter than QS2 in both groups during exercise.
(17) Parallel changes in free T4 and the free T4 index indicate adequacy of the index in representing pineal-induced changes in free T4.
(18) In the course of its history, psychiatry has grown richer parallel to the development of its spatiotemporal system of the reference.
(19) Furthermore, the changes in both interstitial fluid and testicular venous blood levels of testosterone do not always parallel those in peripheral venous blood, suggesting that changes in testicular blood flow and peripheral clearance rates of testosterone may also be important in the control of circulating testosterone concentrations.
(20) On the basis of these data, the computer, upon the basis of a program specially developed for this purpose, automatically calculates the corresponding amount of negative-points, which parallels the severity of the joint changes, i.e.