Carroll, M C <br/><br/>
Substitution of a single amino acid (aspartic acid for histidine) converts the functional activity of human complement C4B to C4A.  [electronic resource] 

 -  Proceedings of the National Academy of Sciences of the United States of America  Sep 1990 
 - 6868-72 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0027-8424 
<br/><br/><label>Standard No.: </label>10.1073/pnas.87.17.6868  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Aspartic Acid<br/>Base Sequence<br/>Cell Line<br/>Complement C4a--biosynthesis<br/>Complement C4b--biosynthesis<br/>Genetic Vectors<br/>Hemolysis<br/>Histidine<br/>Humans<br/>Kinetics<br/>Molecular Sequence Data<br/>Mutation<br/>Oligonucleotide Probes<br/>Plasmids<br/>Recombinant Proteins--biosynthesis<br/>Transfection