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  • 1
    Electronic Resource
    Electronic Resource
    Structure of Poly- L -Proline I (1963)
    [s.l.] : Nature Publishing Group
    Nature 198 (1963), S. 1165-1166 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] POLY-L-PROLINE has been found to exist in two distinct forms1. Form I of the polymer, which has a specific optical rotation [a]^5 = + 50 in acetic acid, mutarotates in acetic acid and other solvents to poly-L-proline II, which has a specific rotation [ajg = ? 540 (ref. 2). Reverse mutarotation of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1981165a0
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  • 2
    Electronic Resource
    Electronic Resource
    Crystal Structure of Biotin (1956)
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 649-650 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Structural formula of biotin (atoms numbered arbiterarily) Crystals of biotin were found to be orthorhombic with unit-cell axes a = 5.19 A., b = 10-33 A., c = 21.00 A., in good agreement with values previously reported by Fankuchen2 and Crocombe (unpublished work). The density of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/178649a0
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  • 3
    Electronic Resource
    Electronic Resource
    X-Ray Studies of the Wheat Protein Complex (1957)
    [s.l.] : Nature Publishing Group
    Nature 179 (1957), S. 769-770 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEAT flour owes its pre-eminence for bread-making to its ability to form a dough with a degree of elastic extensibility not found in the doughs of other cereals. This behaviour is primarily associated with the protein, normally isolated from dough as gluten, a complex mixture of hydrated proteins ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/179769a0
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  • 4
    Electronic Resource
    Electronic Resource
    On the Molecular Structure of Collagen (1969)
    [s.l.] : Nature Publishing Group
    Nature 221 (1969), S. 914-917 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Several polytripeptide and polyhexapeptide models of collagen have the same triple helical conformation with one NH…O interchain H bond per tripeptide. Collagen itself probably has this ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/221914a0
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