Acta Crystallographica Section B

Structural Science

Volume 48, Part 4 (August 1992)



lead articles



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Acta Cryst. (1992). B48, 341-356    [ doi:10.1107/S0108768192000673 ]

Folding, aggregation and molecular recognition in peptides

I. L. Karle


research papers



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Acta Cryst. (1992). B48, 356-369    [ doi:10.1107/S0108768191014726 ]

The perils of Cc: comparing the frequencies of falsely assigned space groups with their general population

W. H. Baur and D. Kassner



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Acta Cryst. (1992). B48, 370-376    [ doi:10.1107/S0108768191014313 ]

Crystal chemistry of Mg2P2O7.nH2O, n = 0, 2 and 6: magnesium-oxygen coordination and pyrophosphate ligation and conformation

M. Souhassou, C. Lecomte and R. H. Blessing



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Acta Cryst. (1992). B48, 376-389    [ doi:10.1107/S0108768192001526 ]

Symmetry determination and Pb-site ordering analysis for the n = 1, 2, PbxBi2-xSr2Can-1CunO4+2n+[delta] compounds by convergent-beam and selected-area electron diffraction

P. Goodman, P. Miller, T. J. White and R. L. Withers



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Acta Cryst. (1992). B48, 389-392    [ doi:10.1107/S0108768192001502 ]

LaNi2Al3, a ternary substitution variant of the orthorhombic BaZn5 type

R. E. Gladyshevskii, K. Cenzual and E. Parthé



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Acta Cryst. (1992). B48, 393-400    [ doi:10.1107/S0108768192000405 ]

Electron density study of YBa2Cu3O6+[delta]

S. Sasaki, Z. Inoue, N. Iyi and S. Takekawa



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Acta Cryst. (1992). B48, 401-407    [ doi:10.1107/S0108768192002465 ]

Crystal structures of RbTiOAsO4, KTiO(P0.58,As0.42)O4, RbTiOPO4 and (Rb0.465,K0.535)TiOPO4, and analysis of pseudosymmetry in crystals of the KTiOPO4 family

P. A. Thomas, S. C. Mayo and B. E. Watts



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Acta Cryst. (1992). B48, 407-418    [ doi:10.1107/S0108768192002143 ]

X-ray investigation of the incommensurate modulated structure of Bi2.08Sr1.84CuO6-[delta]

H. Leligny, S. Durcok, P. Labbe, M. Ledesert and B. Raveau



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Acta Cryst. (1992). B48, 418-428    [ doi:10.1107/S0108768192001654 ]

Structure refinement of commensurately modulated bismuth strontium tantalate, Bi2SrTa2O9

A. D. Rae, J. G. Thompson and R. L. Withers



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Acta Cryst. (1992). B48, 428-437    [ doi:10.1107/S0108768191014404 ]

Structure of ([eta]6-C6H6)Mo(CO)3 at room temperature and 120 K: motion about equilibrium and far from equilibrium

H.-B. Bürgi, A. Raselli, D. Braga and F. Grepioni



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Acta Cryst. (1992). B48, 438-444    [ doi:10.1107/S0108768191014428 ]

Low-temperature neutron diffraction study of [ReH5(PPhiPr2)2(SiHPh2)2] and low-temperature X-ray diffraction study of [ReH5(PCyp3)2(SiH2Ph)2\]

J. A. K. Howard, P. A. Keller, T. Vogt, A. L. Taylor, N. D. Dix and J. L. Spencer



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Acta Cryst. (1992). B48, 444-449    [ doi:10.1107/S0108768192000107 ]

Structural studies of oxygen-bridged iron compounds

I. Vasilevsky, N. J. Rose and R. E. Stenkamp



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Acta Cryst. (1992). B48, 449-458    [ doi:10.1107/S0108768192001149 ]

Single-crystal X-ray diffraction and variable-temperature MAS NMR study on the heterogeneous network clathrate Na[N(CH3)4]7[Si8O20].54H2O

M. Wiebcke and H. Koller



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Acta Cryst. (1992). B48, 459-463    [ doi:10.1107/S0108768192002714 ]

Electron-density distribution in crystals of 1,4,7,10,13,16-hexaazacyclooctadecanecobalt(III) trichloride, meso-[Co(hexaen)]Cl3 at 106 K

M. Morooka, S. Ohba and K. Toriumi



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Acta Cryst. (1992). B48, 463-470    [ doi:10.1107/S0108768192001915 ]

Structure of a cobalt complex capable of multiple electron transfer

S. Schmid, A. D. Rae, R. J. Geue, M. G. McCarthy, A. M. Sargeson and A. C. Willis



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Acta Cryst. (1992). B48, 471-476    [ doi:10.1107/S0108768192000399 ]

Configuration of amidines and factors governing their hydrogen-bonding patterns

Z. Kosturkiewicz, E. Ciszak and E. Tykarska



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Acta Cryst. (1992). B48, 476-488    [ doi:10.1107/S0108768192001939 ]

Structure of a pepsin/renin inhibitor complex reveals a novel crystal packing induced by minor chemical alterations in the inhibitor

L. Chen, J. W. Erickson, T. J. Rydel, C. H. Park, D. Neidhart, J. Luly and C. Abad-Zapatero

PDB reference: 1psa



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Acta Cryst. (1992). B48, 488-492    [ doi:10.1107/S010876819200065X ]

Crystal and molecular structures of propanediamine complexed with L- and DL-glutamic acid: effect of chirality on propanediamine

S. Ramaswamy and M. R. N. Murthy



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Acta Cryst. (1992). B48, 492-498    [ doi:10.1107/S0108768192000910 ]

Positive indentification of two orthorhombic polymorphs of sulfamerazine (C11H12N4O2S), their thermal analyses and structural comparison

M. R. Caria and R. Mohamed



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Acta Cryst. (1992). B48, 499-511    [ doi:10.1107/S0108768192001344 ]

Structure determination of the bacteriophage [iota]X174

R. McKenna, D. Xia, P. Willingmann, L. L. Ilag and M. G. Rossmann

PDB reference: 2bpa



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Acta Cryst. (1992). B48, 511-514    [ doi:10.1107/S0108768191014830 ]

A note on the conformational flexibility of the antiestrogenic drug tamoxifen: preferred conformations in the free state and bound to the protein calmodulin

K. J. Edwards, C. A. Laughton and S. Neidle



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Acta Cryst. (1992). B48, 515-520    [ doi:10.1107/S0108768192000053 ]

Crystallization and preliminary data analysis of flock house virus

A. J. Fisher, B. R. McKinney, J.-P. Wery and J. E. Johnson



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Acta Cryst. (1992). B48, 520-531    [ doi:10.1107/S010876819200096X ]

Structure determination of a dimeric form of erabutoxin-b, crystallized from a thiocyanate solution

P. Saludjian, T. Prangé, J. Navaza, R. Ménez, J. P. Guilloteau, M. Riès-Kautt and A. Ducruix

PDB reference: 6ebx



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Acta Cryst. (1992). B48, 532-537    [ doi:10.1107/S0108768192002167 ]

Solid-state photobehaviour and crystal packing of o-chlorobenzylidene-DL-piperitone: influence of molecular topology on photobehaviour

P. Venugopalan and K. Venkatesan



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Acta Cryst. (1992). B48, 537-545    [ doi:10.1107/S0108768192001277 ]

Molecular packing of crystalline azahydrocarbons

A. Gavezzotti and G. Filippini


short communications



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Acta Cryst. (1992). B48, 546-548    [ doi:10.1107/S0108768192003586 ]

Temperature-dependent space-group transitions in crystals of guanylate kinase from yeast

T. Stehle and G. E. Schulz


fast communications



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Acta Cryst. (1992). B48, 549-550    [ doi:10.1107/S0108768192004129 ]

Pancreatic ribonuclease co-crystallizes with the dinucleotide dCPdG in two distinct forms

A. Mills, V. Gupta, N. Spink, J. Lisgarten, R. A. Palmer and L. Wyns



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Acta Cryst. (1992). B48, 551-552    [ doi:10.1107/S0108768192005044 ]

H...H van der Waals distance in cooperative O-H...O-H...O hydrogen bonds determined from neutron diffraction data. Addendum

T. Steiner and W. Saenger


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