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Volume 37(5);  May 1951
The cover of the journal
Biochemistry
The Interaction of Mucoprotein With Soluble Collagen; An Electron Microscope Study
John H. Highberger, Jerome Gross, and Francis O. Schmitt
Proc Natl Acad Sci U S A. 1951 May; 37(5): 286–291.
PMCID: PMC1063355
Chemistry
Atomic Coordinates and Structure Factors for Two Helical Configurations of Polypeptide Chains
Linus Pauling and Robert B. Corey
Proc Natl Acad Sci U S A. 1951 May; 37(5): 235–240.
PMCID: PMC1063348
The Structure of Synthetic Polypeptides
Linus Pauling and Robert B. Corey
Proc Natl Acad Sci U S A. 1951 May; 37(5): 241–250.
PMCID: PMC1063349
The Pleated Sheet, A New Layer Configuration of Polypeptide Chains
Linus Pauling and Robert B. Corey
Proc Natl Acad Sci U S A. 1951 May; 37(5): 251–256.
PMCID: PMC1063350
The Structure of Feather Rachis Keratin
Linus Pauling and Robert B. Corey
Proc Natl Acad Sci U S A. 1951 May; 37(5): 256–261.
PMCID: PMC1063351
The Structure of Hair, Muscle, and Related Proteins
Linus Pauling and Robert B. Corey
Proc Natl Acad Sci U S A. 1951 May; 37(5): 261–271.
PMCID: PMC1063352
The Structure of Fibrous Proteins of the Collagen-Gelatin Group
Linus Pauling and Robert B. Corey
Proc Natl Acad Sci U S A. 1951 May; 37(5): 272–281.
PMCID: PMC1063353
The Polypeptide-Chain Configuration in Hbmoglobin and Other Globular Proteins
Linus Pauling and Robert B. Corey
Proc Natl Acad Sci U S A. 1951 May; 37(5): 282–285.
PMCID: PMC1063354
An Hypothesis of Protein Synthesis Potentiated by Citric Acid
Sidney W. Fox
Proc Natl Acad Sci U S A. 1951 May; 37(5): 291–293.
PMCID: PMC1063356
Genetics
An Adenine Requirement in a Strain of Drosophila
Taylor Hinton, John Ellis, and D. T. Noyes
Proc Natl Acad Sci U S A. 1951 May; 37(5): 293–299.
PMCID: PMC1063357
Absence of Cytosine in Bacteriophage T2
Alfred Marshak
Proc Natl Acad Sci U S A. 1951 May; 37(5): 299–303.
PMCID: PMC1063358
Mathematics
On the Generating Functions of Totally Positive Sequences
Michael Aissen, Albert Edrei, I. J. Schoenberg, and Anne Whitney
Proc Natl Acad Sci U S A. 1951 May; 37(5): 303–307.
PMCID: PMC1063359
Cohomology Theory of Abelian Groups and Homotopy Theory III
Samuel Eilenberg and Saunders MacLane
Proc Natl Acad Sci U S A. 1951 May; 37(5): 307–310.
PMCID: PMC1063360
Generalized Riemann Spaces
Luther P. Eisenhart
Proc Natl Acad Sci U S A. 1951 May; 37(5): 311–315.
PMCID: PMC1063361
Weierstrass Transforms of Positive Functions
D. V. Widder
Proc Natl Acad Sci U S A. 1951 May; 37(5): 315–317.
PMCID: PMC1063362
Psychology
The Interconversion of Audible and Visible Patterns as a Basis for Research in the Perception of Speech
Franklin S. Cooper, Alvin M. Liberman, and John M. Borst
Proc Natl Acad Sci U S A. 1951 May; 37(5): 318–325.
PMCID: PMC1063363
Journal Matter
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