Smith, S L <br/><br/>
R plasmid dihydrofolate reductase with subunit structure.  [electronic resource] 

 -  The Journal of biological chemistry  Jul 1979 
 - 6222-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0021-9258 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amino Acid Sequence<br/>Escherichia coli--drug effects<br/>Macromolecular Substances<br/>Molecular Weight<br/>Plasmids<br/>Tetrahydrofolate Dehydrogenase--isolation & purification<br/>Transformation, Genetic<br/>Trimethoprim--pharmacology