issue contents

ISSN: 2053-230X

January 2005 issue

Highlighted illustration

Cover illustration: The structure of a novel trimeric isoform of phospholipase A2 determined at 2.5 Å resolution (p. 8).


Acta Cryst. (2005). F61, 1-2
doi: 10.1107/S1744309104033834

protein structure communications

Acta Cryst. (2005). F61, 3-7
doi: 10.1107/S1744309104021748
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The crystal structure of a triple mutant (K53,56,121M) of bovine pancreatic phospholipase A2 has been solved at atomic resolution (0.97 Å) and the refined model features the presence of a second calcium ion and a chloride ion.

Acta Cryst. (2005). F61, 8-13
doi: 10.1107/S1744309104025503
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The structure of a novel trimeric isoform of phospholipase A2 has been determined at 2.5 Å resolution. The trimer formation occurs in such a way that the active sites of all the three molecules are fully exposed to the solvent, making the trimer a highly potent enzymatic unit.

Acta Cryst. (2005). F61, 14-16
doi: 10.1107/S1744309104030659
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The crystal structure of a M. loti arylamine N-acetyltransferase 1 has been determined at 2.0 Å resolution.

Acta Cryst. (2005). F61, 17-25
doi: 10.1107/S1744309104031501
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The structures of mistletoe lectin I in complex with lactose and galactose reveal differences in binding by the two known sites in subdomains α1 and γ2 and suggest the presence of a third low-affinity site in subdomain β1.

structural genomics communications

Acta Cryst. (2005). F61, 26-29
doi: 10.1107/S1744309104032555
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The three-dimensional structure of the APE2540 protein from A. pernix K1 has been determined by the multiple anomalous dispersion method at 1.7 Å resolution. The structure includes two monomers in the asymmetric unit and shares structural similarity with the YbaK protein or cysteinyl-tRNAPro deacylase from H. influenzae.

crystallization communications

Acta Cryst. (2005). F61, 30-32
doi: 10.1107/S1744309104021827
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The leucyl-tRNA synthetase (LeuRS) from P. horikoshii has been overexpressed in Escherichia coli and purified, and cocrystallizations with each of the tRNALeu isoacceptors have been attempted. Cocrystals were obtained by the hanging-drop vapour-diffusion method, but only when the tRNALeu isoacceptor with the anticodon CAA was used.

Acta Cryst. (2005). F61, 33-35
doi: 10.1107/S1744309104022328
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A sulfotransferase from M. tuberculosis was crystallized and preliminarily analyzed using X-ray diffraction.

Acta Cryst. (2005). F61, 36-38
doi: 10.1107/S1744309104024741
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D-3-Hydroxybutyrate dehydrogenase (EC from P. flagi has been crystallized by the hanging-drop method.

Acta Cryst. (2005). F61, 39-42
doi: 10.1107/S1744309104025059
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The glycogen-binding domain of the AMP-activated kinase β subunit has been crystallized in the presence of β-cyclodextrin. The structure has been determined by single isomorphous replacement and threefold averaging using in-house X-ray data collected from selenomethionine-substituted protein.

Acta Cryst. (2005). F61, 43-45
doi: 10.1107/S1744309104025473
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Crystals of P. horikoshii NikR have been obtained in the presence and absence of Ni2+ and characterized by X-ray diffraction.

Acta Cryst. (2005). F61, 46-48
doi: 10.1107/S1744309104025837
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A trimodular complex comprising the type II cohesin–dockerin interaction from the cellulosome of C. thermocellum has been purified and crystallized by the hanging-drop vapour-diffusion method. A native crystal and a selenomethionine derivative have been analyzed using X-ray diffraction.

Acta Cryst. (2005). F61, 49-51
doi: 10.1107/S1744309104025825
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X-ray diffraction data have been collected from crystals of recombinant sugar cane phosphoribosylpyrophosphate synthase (PRS) and analysis has revealed its quaternary structure, localizing this PRS into the class of enzymes forming an hexameric oligomer of 223 kDa.

Acta Cryst. (2005). F61, 52-55
doi: 10.1107/S1744309104026429
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Propionate kinase (TdcD) from S. typhimurium has been expressed, purified and crystallized. A diffraction data set has been collected to 2.2 Å resolution.

Acta Cryst. (2005). F61, 56-58
doi: 10.1107/S1744309104026430
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The E subunit of vacuole-type ATPase from P. horikoshii OT3 was overexpressed, purified and crystallized. The native crystals diffracted X-rays to 1.85 Å resolution.

Acta Cryst. (2005). F61, 59-61
doi: 10.1107/S1744309104025904
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The glutaminyl cyclase isolated from C. papaya latex has been crystallized using the hanging-drop method. Diffraction data have been collected at ESRF beamline BM14 and processed to 1.7 Å resolution.

Acta Cryst. (2005). F61, 62-64
doi: 10.1107/S1744309104026739
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The crystallization of the polyproline-rich polypeptide from human Bri3 overexpressed as a GST-fusion protein in Escherichia coli is presented.

Acta Cryst. (2005). F61, 65-67
doi: 10.1107/S1744309104028040
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Pantothenate kinase, the first enzyme of the universal coenzyme A biosynthetic pathway, from M. tuberculosis H37Rv has been cloned, expressed, purified and X-ray analysed in two different crystal forms.

Acta Cryst. (2005). F61, 68-70
doi: 10.1107/S1744309104027915
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Endo-1,3-β-glucanase from Arthrobacter sp. has been crystallized and X-ray diffraction data have been collected to 1.66 Å resolution.

Acta Cryst. (2005). F61, 71-74
doi: 10.1107/S1744309104028337
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A group I self-splicing RNA has been synthesized and cocrystallized with a four-nucleotide product RNA. Iodination of the product RNA produces a heavy-atom derivative suitable for structure determination.

Acta Cryst. (2005). F61, 75-78
doi: 10.1107/S1744309104027241
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The crystallization and preliminary crystallographic analysis of agkicetin-C, a well known platelet glycoprotein Ib (GPIb) antagonist from the venom of Deinagkistrodon acutus found in Anhui Province, China is reported.

Acta Cryst. (2005). F61, 79-82
doi: 10.1107/S1744309104028532
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Four crystal forms have been grown and characterized by X-ray diffraction of a Bence-Jones protein collected from the urine of a multiple myeloma patient more than 40 y ago. The trigonal crystal form may shed some light on the formation of fibrils common to certain storage diseases.

Acta Cryst. (2005). F61, 83-86
doi: 10.1107/S1744309104028945
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The reaction center–light-harvesting 1 core complex from R. viridis was crystallized and X-ray diffraction data were collected to 8.0 Å resolution.

Acta Cryst. (2005). F61, 87-89
doi: 10.1107/S1744309104029197
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A lectin from C. maritima was crystallized using the vapour-diffusion method and crystals diffracted to 2.1 Å resolution. A molecular-replacement search found a solution with a correlation coefficient of 69.2% and an R factor of 42.5%, refinement is in progress.

Acta Cryst. (2005). F61, 90-92
doi: 10.1107/S1744309104029392

Acta Cryst. (2005). F61, 93-95
doi: 10.1107/S1744309104029744
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The binding of Cu2+ ions to the copper-binding domain of the amyloid precursor protein of Alzheimer's disease reduces the production of the amyloid β peptide, which is centrally involved in Alzheimer's disease. Structural studies of the copper-binding domain will provide a basis for structure-based drug design that might prove useful in treating this devastating disease.

Acta Cryst. (2005). F61, 96-99
doi: 10.1107/S1744309104029963
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Pim kinases, belong to a distinctive serine/threonine protein-kinase family and are involved in cytokine-induced signal transduction and the development of lymphoid malignancies. Human Pim-1 kinase has been cloned, expressed and crystallized

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The trehalulose synthase MutB from P. mesoacidophila MX-45 has been crystallized in two different crystal forms and diffraction data have been collected to 1.6 and 1.8 Å, respectively.

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Bacteriophage Mu baseplate protein gene product 44 was crystallized. The crystal belongs to space group R3, with unit-cell parameters a = b = 126.6, c = 64.2 Å.

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A predicated acetamidase/formanidase from the archaeon T. tengcongensis and its SeMet substitute have been crystallized and undergone preliminarily crystallographic studies including MAD data collection.

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Disproportionating enzyme from potato was crystallized and preliminarily analyzed using X-ray diffraction.

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The first crystallographic study of a sucrose phosphate synthase from H. orenii, an organism that is both thermophilic and halophilic, is reported. The protein crystal diffracts X-rays to 3.01 Å.

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Catechol-O-methyltransferase has been co-crystallized with a novel inhibitor, which has potential therapeutic application in the Parkinson's disease therapy.

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MbtI, the putative isochorismate synthase essential for siderophore biosynthesis in M. tuberculosis, has been crystallized. Diffraction data have been collected to 1.8 Å resolution.

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The production, crystallization and characterization of three inactive mutants of penicillin V acylase from B. sphaericus in their respective precursor and processed forms are reported. The space groups are different for the native enzyme and the mutants.

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Crystals of human osteoclast-stimulating factor were obtained by the hanging-drop vapour-diffusion method using ammonium sulfate as a precipitant. The crystals are primitive orthorhombic and belong to P222 or a related space group, with unit-cell parameters a = 38.1, b = 54.9, c = 64.7 Å.

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The OprM subunit of the MexAB-OprM efflux pump in P. aeruginosa is an outer membrane-anchored lipoprotein. OprM crystals have been grown at 293 K in the presence of 2-methyl-2,4-propanediol and a combination of surfactants and diffracted to 2.56 Å resolution.

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Crystals of human growth and differentiation factor 5 are trigonal, belonging to space group P3121 or its enantiomer, with one molecule per asymmetric unit and diffract to 2.2 Å resolution.

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Crystallization of isoquinoline 1-oxidoreductase from B. diminuta was achieved using two different crystallization buffers. Streak-seeding and cross-linking were essential to obtain well diffracting crystals. Suitable cryo-conditions were found and a structure solution was obtained by molecular replacement.

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The crystallization and characterization of a lectin isolated and purified from C. arietinum and possessing complex sugar specificity is reported.

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S. solfataricus acylphosphatase has been expressed, purified and crystallized in two different crystal forms. Preliminary characterization of a triclinic and a monoclinic crystal form is reported and data were collected to 1.27 and 1.90 Å, respectively.

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Crystals of habu coagulation factor IX-binding protein have been obtained at pH 6.5 and 4.6 and characterized by X-ray diffraction.

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Peptide deformylase (PDF) from B. cereus has been overexpressed, purified and crystallized in ligand-free and actinonin-bound forms. Diffraction data have been collected from these crystals to 1.7 and 2.0 Å resolution, respectively.

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Keap1-DC (Kelch/double-glycine repeat and C-terminal region) of mouse Keap1 has been overexpressed in E. coli, purified and crystallized using the vapour-diffusion method.

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The purification and structure determination of the murine constitutive androstane receptor bound to its inverse agonist/antagonist androstenol is described.

international union of crystallography

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