(a.) Having one oblique intersection; -- said of that system of crystallization in which the vertical axis is inclined to one, but at right angles to the other, lateral axis. See Crystallization.
Example Sentences:
(1) The crystals are monoclinic, space group C2, with a = 57.18 A, b = 21.63 A, c = 36.40 A, beta = 95.22 degrees, and one hairpin molecule per asymmetric unit.
(2) The space group symmetry is R21; the monoclinic unit cell contains two molecules and has the dimensions a = 12.4291(8), b = 7.4511(5), c = 12.7854(7) angstroms and beta = 102.295(7) degrees.
(3) Pure monoclinic or triclinic calcium pyrophosphate dihydrate (CPPD) crystals, apatite crystals or mixtures of these crystals were injected into the synovial-like space created by the rat air pouch to compare the acute inflammation induced by these crystals.
(4) Crystals of 3 are monoclinic: P2(1), a = 5.317(2), b = 17.059(6), c = 9.514(3) A, beta = 99.18(3), Z = 2.
(5) C10H8F4N10O18, Mr = 632.22, monoclinic, Pc, a = 7.8885 (6), b = 6.7787 (4), c = 21.595 (2) A, beta = 108.21 (1) degree, V = 1096 (1) A3, Z = 2, Dx = 1.914 g cm-3, lambda(Cu K alpha) = 1.5418 A, mu = 18.7 cm-1, F(000) = 636, T = 293 K, 1791 unique data, 1733 with I greater than 3 sigma (I), R = 0.047.
(6) A large number of epitaxially dimensional matches between MSU and triclinic (t) and monoclinic (m) CPPD were identified, suggesting that MSU crystals can epitaxially induce CPPD crystal growth.
(7) C16H22NO+2.Cl-, Mr = 295.808, monoclinic, P2(1), a = 11.967 (1), b = 12.529 (1), c = 9.9369 (9) A, beta = 93.00 (1) degrees, V = 1487.8 (2) A3, Z = 4, Dm = 1.32 (2), Dx = 1.321 Mg m-3, lambda(Cu K alpha) = 1.54178 A, mu(Cu K alpha) = 2.289 mm-1, F(000) = 632, T = 291 K, final R = 0.040 for 2448 observed reflections.
(8) 7120 flavodoxin belong to the monoclinic space group P2(1) with a = 48.0, b = 32.0, c = 51.6 A, and beta = 92 degrees, and one molecule in the asymmetric unit.
(9) Crystals grown from ammonium sulfate solutions belong to monoclinic space group C2 with a = 125 A, b = 111 A, c = 83.5 A and beta = 108degrees 45'.
(10) These crystals are monoclinic, space group C2, with unit cell dimensions, a = 2.845 nm, b = 1.354 nm, c = 3.413 nm, beta = 98.6 degrees.
(11) Form II crystallizes as monoclinic blocks, space group P21 with a = 64.5 A, b = 35.1 A, c = 25.2 A and beta = 91.8 degrees.
(12) L-Valyl-L-lysine hydrochloride, C11N3O3H23 HCl, crystallizes in the monoclinic space group P2(1) with a = 5.438(5), b = 14.188(5), c = 9.521(5) A, beta = 95.38(2) degrees and Z = 2.
(13) The unit cell is monoclinic, space group P2(1), with unit cell parameters: a = 41.4 A, b = 40.1 A, c = 37.5 A, beta = 90.01 degrees.
(14) GPb complexed with pyridoxal 5'-diphosphate (PLPP) has been crystallized in the presence of IMP and ammonium sulfate in the monoclinic R-state crystal form and the structure refined from X-ray data to 2.8 A resolution to a crystallographic R value of 0.21.
(15) The crystals are monoclinic with unit cell dimensions a = 121.2 A, b = 110.5 A, c = 81.8 A, and beta = 97.6 degrees, belonging to space group C2, and contain two molecules in the asymmetric unit.
(16) One grows as monoclinic plates, space group P2(1), with cell dimensions a = 66.9 A, b = 75.2 A, c = 86.9 A and beta = 102.9 degrees and the other as long hexagonal rods in space group P6(1)22 or P6(5)22, with cell dimensions a = b = 119 A, c = 83 A.
(17) To ascertain the sites that are available for strong binding between magnesium ions and phosphate groups in yeast phenylalanine transfer RNA, all distances below 5.5 A separating the phosphoryl oxygens (Op) of the 76 nucleotide residues have been computed from the latest atomic coordinates for the monoclinic form of the tRNA crystallized in the presence of magnesium chloride.
(18) One of them is monoclinic, space group P21, with unit cell dimensions a = 145.6 A, b = 78.1 A, c = 63.1 A, beta = 89.05 degrees, consistent with the presence of two molecules of the complex in the asymmetric unit.
(19) The crystals are monoclinic space group P2(1) with a = 42.6, b = 68.1, c = 50.2 A and beta = 112.9 degrees.
(20) Crystals are monoclinic, space group P2(1) with a = 5.088(2), b = 17.112(17), c = 9.581(6) A, beta = 92.34(4) degrees, Z = 2.
Tetragonal
Definition:
(a.) Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the trapezium are tetragonal fingers.
(a.) Having four prominent longitudinal angles.
(a.) Designating, or belonging to, a certain system of crystallization; dimetric. See Tetragonal system, under Crystallization.
Example Sentences:
(1) The crystals are tetragonal, with unit cell dimensions a = 48.9 A and c = 82.0 A, space group P 41 21 2 or P 43212.
(2) The morphological unit of the regular array appeared to consist of four spherical subunits, each about 2 nm in diameter, which were arranged in a tetragonal pattern about 4.5 by 7.0 nm in dimension.
(3) Two different tetragonal crystal forms have been characterized, both diffracting to about 6 A using synchrotron radiation.
(4) The outer structured layer was a linear array of particles overlying an inner tetragonal array of larger subunits.
(5) An activity assay of redissolved tetragonal form crystals indicates that the uncleaved, functional serpin has been crystallized.
(6) The A ring of the steroid in the tetragonal crystal was found to be disordered, and exists in both a normal and inverted conformation.
(7) One was in a hexagonal array, and the other was in a tetragonal array.
(8) The crystals are tetragonal rods with unit cell dimensions a = 128.6 A, c = 92.5 A.
(9) A hydrated cobalt ion is found to coordinate to two N7 atoms of adjacent guanines, forcing these two guanines to destack with a large dihedral angle (32 degrees), in the dimer of the tetragonal form.
(10) These tubules are clearly distinguishable by their shape and fine structure from the periodic structure of a P. rhodos cell wall layer, which exhibits a tetragonal pattern, and also from polyheads and polysheaths of defective bacteriophages.
(11) The structure crystallizes in the tetragonal space group P41 with a = 8.225 (5) and c = 28.42 (1) A.
(12) This truncated S-protein was exported via the periplasm to the cell surface, but could not self-assemble into a tetragonal array or be anchored to the cell surface.
(13) Bacillus sphaericus strain P-1 has previously been shown to have a tetragonally arrayed (T layer) protein which forms the outer layer of the cell wall.
(14) Its three-dimensional structure from two different crystal forms (tetragonal and trigonal) has been determined by X-ray diffraction analysis at 1 A resolution.
(15) Both crystal forms are tetragonal, the space group for form I is P4(1)22 (or P4(3)22), and that for form II is P4(2)22.
(16) Density variations suggest an arrangement of subunits, either tetragonal or trigonal, viewed from a variety of angles about the DNA axis.
(17) The binuclear copper site is characterized as two tetragonal Cu(II) atoms bridged by both an endogenous protein ligand and the exogenous ligand (i.e., peroxide), with the lack of an electron paramagnetic resonance signal being the result of antiferromagnetic exchange via the endogenous bridge.
(18) The crystals are tetragonal, show the symmetry of space group P4(1) or its enantiomer, have lattice constants of a = 58.46 (1) and c = 77.02 (3) A, and scatter to at least 2 A resolution.
(19) These elevations were distributed according to a tetragonal pattern with a periodicity of 850 A.
(20) Crystals are tetragonal, with space group P42(1)2, a = b = 171 A, c = 150 A in the absence of ATP; and P422, a = b = 101 A, c = 114.4 A in the presence of ATP.