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  • 1
    Electronic Resource
    Electronic Resource
    Crystallization and preliminary X-ray crystallographic analysis of chitinase from barley seeds (1993)
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 17 (1993), S. 107-109 
    Details
    ISSN: 0887-3585
    Keywords: plant chitinase ; antifungal protein ; crystals ; X-ray diffraction ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Chitinase from barley seeds has been crystallized at room temperature using polyethylene glycol as precipitant. The crystal is monoclinic, belonging to the space group P21, with unit cell parameters of a = 69.43 Å, b = 44.55 Å, c = 81.41 Å, and β = 111.95 Å. The asymmetric unit seems to contain two molecules of chitinase with a corresponding crystal volume per protein mass (VM) of 2.25 Å3/Da and a solvent content of 45% by volume. The crystal diffracts to at least 2.0 Å with X-rays from a rotating anode source and is very stable in the X-ray beam. X-ray data have been collected to better than 2.2 Å Bragg spacing from a native crystal. © 1993 Wiley-Liss, Inc.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prot.340170113
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  • 2
    Electronic Resource
    Electronic Resource
    Crystallization and preliminary X-ray crystallographic analysis of phospholipid transfer protein from maize seedlings (1994)
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 19 (1994), S. 80-83 
    Details
    ISSN: 0887-3585
    Keywords: maize protein ; crystals ; X-ray diffraction ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Phospholipid transfer protein from maize seedlings has been crystallized using trisodium citrate as precipitant. The crystal belongs to the orthorhombic space group P212121 with unit cell dimensions of a = 24.46 Å, b = 49.97 Å, and c = 69.99 Å. The presence of one molecule in the asymmetric unit gives a crystal volume per protein mass (Vm) of 2.36 Å 3/Da and a solvent content of 48% by volume. The X-ray diffraction pattern extends at least to 1.6 Å Bragg spacing when exposed to both CuKα and synchrotron X-rays. A set of X-ray data to approximately 1.9 Å Bragg spacing has been collected from a native crystal. © 1994 Wiley-Liss, Inc.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prot.340190111
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  • 3
    Electronic Resource
    Electronic Resource
    Comparison of solution and crystal structures of maize nonspecific lipid transfer protein: A model for a potential in vivo lipid carrier protein (1998)
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 31 (1998), S. 160-171 
    Details
    ISSN: 0887-3585
    Keywords: lipid binding ; lipid transfer protein ; maize ; molecular modeling ; NMR ; X-ray ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The three-dimensional solution structure of maize nonspecific lipid transfer protein (nsLTP) obtained by nuclear magnetic resonance (NMR) is compared to the X-ray structure. Although both structures are very similar, some local structural differences are observed in the first and the fourth helices and in several side-chain conformations. These discrepancies arise partly from intermolecular contacts in the crystal lattice. The main characteristic of nsLTP structures is the presence of an internal hydrophobic cavity whose volume was found to vary from 237 to 513 Å3 without major variations in the 15 solution structures. Comparison of crystal and NMR structures shows the existence of another small hollow at the periphery of the protein containing a water molecule in the X-ray structure, which could play an important structural role. A model of the complexed form of maize nsLTP by α-lysopalmitoylphosphatidylcholine was built by docking the lipid inside the protein cavity of the NMR structure. The main structural feature is a hydrogen bond found also in the X-ray structure of the complex maize nsLTP/palmitate between the hydroxyl of Tyr81 and the carbonyl of the lipid. Comparison of 12 primary sequences of nsLTPs emphasizes that all residues delineating the cavities calculated on solution and X-ray structures are conserved, which suggests that this large cavity is a common feature of all compared plant nsLTPs. Furthermore several conserved basic residues seem to be involved in the stabilization of the protein architecture. Proteins 31:160-171, 1998. © 1998 Wiley-Liss, Inc.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Crystallization and preliminary X-ray crystallographic analysis of arylesterase from Pseudomonas fluorescens (1993)
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 15 (1993), S. 213-215 
    Details
    ISSN: 0887-3585
    Keywords: crystals ; bacterial esterase ; X-ray diffraction ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Large crystals of arylesterase from Pseudomonas fluorescens have been grown at room temperature using ammonium sulfate as a precipitant. They grow to dimensions of 0.7 × 0.7 × 0.6 mm3 within a month. The crystals belong to the trigonal space group P31 (or P32), with unit cell dimensions of a= 147.12 Å and c= 131.08 Å. The asymmetric unit seems to contain six molecules of dimeric aryles-terase, with corresponding crystal volume per protein mass (VM) of 2.53 Å3/Da and solvent fraction of 51.5% by volume. The crystals diffract to at least 2.2 Å Bragg spacing when exposed to X-rays from a rotating-anode source. X-ray data have been collected to 2.9 Å Bragg spacing from native crystals. © 1993 Wiley-Liss, Inc.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prot.340150212
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    Paper (German National Licenses)
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