Pimelic acid–urea (1/2)
نویسندگان
چکیده
منابع مشابه
Pimelic Acid in Lung Lesions
Consden and Glynn (1955) described a simple test for identifying a, E-diaminopimelic acid in tissue hydrolysates and found this amino-acid was present in several lung lesions, including a " Caplan" nodule, which, by the usual tests, contained no viable or histologically recognizable M. tuberculosis. Recently, Nethercott and Strawbridge (1956), using this method, confirmed the presence of diamin...
متن کاملPimelic acid–urea (1/2)
The asymmetric unit, 2CH(4)N(2)O·C(7)H(12)O(4), of the title cocrystal contains one urea mol-ecule and a half-mol-ecule of pimelic acid; the latter, together with a second urea mol-ecule, are completed by symmetry, with the central atom of the whole pimelic acid moiety placed on a twofold crystallographic axis. The crystal packing is stabilized by O-H⋯O and N-H⋯O hydrogen-bond, generating a cha...
متن کاملAn early intermediate in the biosynthesis of biotin: Incorporation studies with [1,7-C(2)]pimelic acid.
1. An unknown biotin vitamer was obtained in high yields in culture filtrates of Penicillium chrysogenum. 2. Production of this vitamer and desthiobiotin is controlled by the biotin concentration in the medium. 3. The unknown vitamer becomes labelled when the organism is grown in the presence of radioactive pimelic acid. 4. Chromatographic procedures were developed for the purification of the r...
متن کاملStructural phases of hexamethylenetetramine-pimelic acid (1/1): a unified description based on a stacking model.
The thermotropic phase diagram of 1:1 co-crystals of hexamethylenetetramine and pimelic acid (heptanedioic acid) is investigated. Three crystalline phases are identified at ambient pressure. Phase I is disordered, as revealed by diffuse rods in its diffraction pattern. When the temperature is lowered the diffuse streaks disappear in Phase II, but superstructure reflections emerge indicating an ...
متن کاملConstruction of recombinant Bacillus subtilis strains for efficient pimelic acid synthesis
As a precursor, pimelic acid plays an important role in biotin biosynthesis pathway of Bacillus subtilis. Fermentations supplemented with pimelic acid could improve the production of biotin, however, with a disadvantage-high cost. So it is necessary to improve the biosynthesis of pimelic acid via genetic engineering in B. subtilis. In this study, we constructed a recombinant B. subtilis strain ...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2011
ISSN: 1600-5368
DOI: 10.1107/s1600536811023439