X-ray study on egg-yolk lecithin: Unit cell data and electron density profile |
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Authors: | I Sakurai S Iwayanagi T Sakurai T Seto |
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Institution: | The Institute of Physical and Chemical Research Wako, Saitama, 351, Japan;Department of Physics, Tokyo Metropolitan University Setagaya-ku, Tokyo, 158, Japan |
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Abstract: | The unit cell dimensions and space group of egg-yolk lecithin (l-α-phosphatidylcholine) in the crystalline state were obtained from a set of X-ray fibre diagrams recorded from specimens oriented in two different axes; , with space group P21212, and four molecules per unit cell. From the 00l reflexions up to the 25th order, an electron density profile is obtained which is consistent with a probable structure of the molecule. |
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