Correspondence

LP to Roger Hayward. December 22, 1952.

LP to Roger Hayward - Page 02

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Title:	Linus Pauling's correspondence with Roger Hayward: Dec. 12, 1952 [2 of 2]
Creator:	Pauling, Linus, 1901-
Publisher:
Date:	1952-12-22
Subject:	Nucleic acids -- Structure
Description:
Type:	Text
Format:	text/plain
Language:	en
Identifier:	hayward01-pg02.jpg
Source:	Master file format: TIFF, 600 dpi, Epson GT-10000+ flatbed scanner.
Rights:	http://osulibrary.oregonstate.edu/specialcollections/coll/pauling/dna/copyright.html
Full Text:	Arcs, and in the first figure, and the same appeal it after rotation through 120 degrees and 240 degrees. The macho consists of three helical chains that are related to one another by the operations are through the axis. It would be good also to have a prospective drawing showed all 20 atoms, plus five more-the phosphate group to which the first phosphate group is connected by the chain of atoms C(5)19, C4(19), C3(19). In this drawing bond should be shown connecting the atoms. The phosphate atom is bonded to the four oxygen atoms that constitute the tetrahedron about it. The O(III) is bonded to C5(10). The other bonds are.... The other five atoms to be shown, the other phosphate tetrahedron, I obtained from the cord and the phosphorus and the surrounding the oxygen atoms by increasing z by 3.40 A and increasing by 185 degrees. I think that it would rise in this figure to show the helical axis, and perhaps the radii from the axis to the centers at inner edges of the two tetrahedron. Please telephone me if there's a questioning mind about the nature of the structure, or if you think that makes a mistake in this description.