The Protein Text 95 



here will, of course, become available in the future and will not fail to clarify 

 matters. 1 have attempted to organize and analyse such data as exist, in the 

 hope that the value of this sort of information might become clearer, and in 

 order to facilitate their examination as more become available. 



Obviously, data on composition and sequence are not the only possible 

 sources of information bearing on coding. Strong hints will eventually be 

 obtained from a study of RNA structure and sequence, as well as from other, 

 more conventional, biochemical approaches. The solution of these problems 

 will surely not be long delayed. 



Acknowledgment— \i is a pleasure to acknowledge the collaboration of 

 George Gamow. I have profited from discussions of various aspects of these 

 problems with Drs F. H. C. Crick, Beatrice S. Magdoff and Herbert A. 

 Simon. Dr Louis J. Cote has given valuable assistance with statistical problems. 

 The errors, of course, remain my own. 



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